kernelbase: Correctly handle new process group flag in CreateProcess.

[wine.git] / server / protocol.def

/* -*- C -*-
 *
 * Wine server protocol definition
 *
 * Copyright (C) 2001 Alexandre Julliard
 *
 * This file is used by tools/make_requests to build the
 * protocol structures in include/wine/server_protocol.h
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

@HEADER  /* start of C declarations */

#include <stdarg.h>
#include <stdlib.h>
#include <time.h>

#include <windef.h>
#include <winbase.h>

typedef unsigned int obj_handle_t;
typedef unsigned int user_handle_t;
typedef unsigned int atom_t;
typedef unsigned int process_id_t;
typedef unsigned int thread_id_t;
typedef unsigned int data_size_t;
typedef unsigned int ioctl_code_t;
typedef unsigned __int64 lparam_t;
typedef unsigned __int64 apc_param_t;
typedef unsigned __int64 mem_size_t;
typedef unsigned __int64 file_pos_t;
typedef unsigned __int64 client_ptr_t;
typedef unsigned __int64 affinity_t;
typedef client_ptr_t mod_handle_t;

struct request_header
{
    int          req;          /* request code */
    data_size_t  request_size; /* request variable part size */
    data_size_t  reply_size;   /* reply variable part maximum size */
};

struct reply_header
{
    unsigned int error;        /* error result */
    data_size_t  reply_size;   /* reply variable part size */
};

/* placeholder structure for the maximum allowed request size */
/* this is used to construct the generic_request union */
struct request_max_size
{
    int pad[16]; /* the max request size is 16 ints */
};

#define FIRST_USER_HANDLE 0x0020  /* first possible value for low word of user handle */
#define LAST_USER_HANDLE  0xffef  /* last possible value for low word of user handle */


/* debug event data */
typedef union
{
    int code;   /* event code */
    struct
    {
        int              code;       /* DbgExceptionStateChange */
        int              first;      /* first chance exception? */
        unsigned int     exc_code;   /* exception code */
        unsigned int     flags;      /* exception flags */
        client_ptr_t     record;     /* exception record */
        client_ptr_t     address;    /* exception address */
        int              nb_params;  /* number of parameters */
        int              __pad;
        client_ptr_t     params[15]; /* parameters */
    } exception;
    struct
    {
        int          code;       /* DbgCreateThreadStateChange */
        obj_handle_t handle;     /* handle to the new thread */
        client_ptr_t start;      /* thread startup routine */
    } create_thread;
    struct
    {
        int          code;       /* DbgCreateProcessStateChange */
        obj_handle_t file;       /* handle to the process exe file */
        obj_handle_t process;    /* handle to the new process */
        obj_handle_t thread;     /* handle to the new thread */
        mod_handle_t base;       /* base of executable image */
        int          dbg_offset; /* offset of debug info in file */
        int          dbg_size;   /* size of debug info */
        client_ptr_t start;      /* thread startup routine */
    } create_process;
    struct
    {
        int          code;       /* DbgExitThreadStateChange/DbgExitProcessStateChange */
        int          exit_code;  /* thread or process exit code */
    } exit;
    struct
    {
        int          code;       /* DbgLoadDllStateChange */
        obj_handle_t handle;     /* file handle for the dll */
        mod_handle_t base;       /* base address of the dll */
        int          dbg_offset; /* offset of debug info in file */
        int          dbg_size;   /* size of debug info */
        client_ptr_t name;       /* image name (optional) */
    } load_dll;
    struct
    {
        int          code;       /* DbgUnloadDllStateChange */
        int          __pad;
        mod_handle_t base;       /* base address of the dll */
    } unload_dll;
} debug_event_t;

/* context data */
typedef struct
{
    unsigned int     machine;    /* machine type */
    unsigned int     flags;      /* SERVER_CTX_* flags */
    union
    {
        struct { unsigned int eip, ebp, esp, eflags, cs, ss; } i386_regs;
        struct { unsigned __int64 rip, rbp, rsp;
                 unsigned int cs, ss, flags, __pad; } x86_64_regs;
        struct { unsigned int sp, lr, pc, cpsr; } arm_regs;
        struct { unsigned __int64 sp, pc, pstate; } arm64_regs;
    } ctl;  /* selected by SERVER_CTX_CONTROL */
    union
    {
        struct { unsigned int eax, ebx, ecx, edx, esi, edi; } i386_regs;
        struct { unsigned __int64 rax,rbx, rcx, rdx, rsi, rdi,
                                  r8, r9, r10, r11, r12, r13, r14, r15; } x86_64_regs;
        struct { unsigned int r[13]; } arm_regs;
        struct { unsigned __int64 x[31]; } arm64_regs;
    } integer;  /* selected by SERVER_CTX_INTEGER */
    union
    {
        struct { unsigned int ds, es, fs, gs; } i386_regs;
        struct { unsigned int ds, es, fs, gs; } x86_64_regs;
    } seg;  /* selected by SERVER_CTX_SEGMENTS */
    union
    {
        struct { unsigned int ctrl, status, tag, err_off, err_sel, data_off, data_sel, cr0npx;
                 unsigned char regs[80]; } i386_regs;
        struct { struct { unsigned __int64 low, high; } fpregs[32]; } x86_64_regs;
        struct { unsigned __int64 d[32]; unsigned int fpscr; } arm_regs;
        struct { struct { unsigned __int64 low, high; } q[32]; unsigned int fpcr, fpsr; } arm64_regs;
    } fp;  /* selected by SERVER_CTX_FLOATING_POINT */
    union
    {
        struct { unsigned int dr0, dr1, dr2, dr3, dr6, dr7; } i386_regs;
        struct { unsigned __int64 dr0, dr1, dr2, dr3, dr6, dr7; } x86_64_regs;
        struct { unsigned int bvr[8], bcr[8], wvr[1], wcr[1]; } arm_regs;
        struct { unsigned __int64 bvr[8], wvr[2]; unsigned int bcr[8], wcr[2]; } arm64_regs;
    } debug;  /* selected by SERVER_CTX_DEBUG_REGISTERS */
    union
    {
        unsigned char i386_regs[512];
    } ext;                       /* selected by SERVER_CTX_EXTENDED_REGISTERS */
    union
    {
        struct { struct { unsigned __int64 low, high; } ymm_high[16]; } regs;
    } ymm;                       /* selected by SERVER_CTX_YMM_REGISTERS */
} context_t;

#define SERVER_CTX_CONTROL            0x01
#define SERVER_CTX_INTEGER            0x02
#define SERVER_CTX_SEGMENTS           0x04
#define SERVER_CTX_FLOATING_POINT     0x08
#define SERVER_CTX_DEBUG_REGISTERS    0x10
#define SERVER_CTX_EXTENDED_REGISTERS 0x20
#define SERVER_CTX_YMM_REGISTERS      0x40

/* structure used in sending an fd from client to server */
struct send_fd
{
    thread_id_t tid;  /* thread id */
    int         fd;   /* file descriptor on client-side */
};

/* structure sent by the server on the wait fifo */
struct wake_up_reply
{
    client_ptr_t cookie;    /* magic cookie that was passed in select_request */
    int          signaled;  /* wait result */
    int          __pad;
};

/* NT-style timeout, in 100ns units, negative means relative timeout */
typedef __int64 timeout_t;
#define TIMEOUT_INFINITE (((timeout_t)0x7fffffff) << 32 | 0xffffffff)

/* absolute timeout, negative means that monotonic clock is used */
typedef __int64 abstime_t;

/* structure for process startup info */
typedef struct
{
    unsigned int debug_flags;
    unsigned int console_flags;
    obj_handle_t console;
    obj_handle_t hstdin;
    obj_handle_t hstdout;
    obj_handle_t hstderr;
    unsigned int x;
    unsigned int y;
    unsigned int xsize;
    unsigned int ysize;
    unsigned int xchars;
    unsigned int ychars;
    unsigned int attribute;
    unsigned int flags;
    unsigned int show;
    process_id_t process_group_id;
    data_size_t  curdir_len;
    data_size_t  dllpath_len;
    data_size_t  imagepath_len;
    data_size_t  cmdline_len;
    data_size_t  title_len;
    data_size_t  desktop_len;
    data_size_t  shellinfo_len;
    data_size_t  runtime_len;
    /* VARARG(curdir,unicode_str,curdir_len); */
    /* VARARG(dllpath,unicode_str,dllpath_len); */
    /* VARARG(imagepath,unicode_str,imagepath_len); */
    /* VARARG(cmdline,unicode_str,cmdline_len); */
    /* VARARG(title,unicode_str,title_len); */
    /* VARARG(desktop,unicode_str,desktop_len); */
    /* VARARG(shellinfo,unicode_str,shellinfo_len); */
    /* VARARG(runtime,unicode_str,runtime_len); */
} startup_info_t;

/* structure returned in the list of window properties */
typedef struct
{
    atom_t         atom;     /* property atom */
    int            string;   /* was atom a string originally? */
    lparam_t       data;     /* data stored in property */
} property_data_t;

/* structure to specify window rectangles */
typedef struct
{
    int  left;
    int  top;
    int  right;
    int  bottom;
} rectangle_t;

/* structure for parameters of async I/O calls */
typedef struct
{
    obj_handle_t    handle;        /* object to perform I/O on */
    obj_handle_t    event;         /* event to signal when done */
    client_ptr_t    iosb;          /* I/O status block in client addr space */
    client_ptr_t    user;          /* opaque user data containing callback pointer and async-specific data */
    client_ptr_t    apc;           /* user APC to call */
    apc_param_t     apc_context;   /* user APC context or completion value */
} async_data_t;

/* structures for extra message data */

struct hw_msg_source
{
    unsigned int    device;        /* source device (IMDT_* values) */
    unsigned int    origin;        /* source origin (IMO_* values) */
};

union rawinput
{
    int type;
    struct
    {
        int            type;    /* RIM_TYPEKEYBOARD */
        unsigned int   message; /* message generated by this rawinput event */
        unsigned short vkey;    /* virtual key code */
        unsigned short scan;    /* scan code */
    } kbd;
    struct
    {
        int            type;    /* RIM_TYPEMOUSE */
        int            x;       /* x coordinate */
        int            y;       /* y coordinate */
        unsigned int   data;    /* mouse data */
    } mouse;
    struct
    {
        int            type;    /* RIM_TYPEHID */
        unsigned int   device;  /* rawinput device index */
        unsigned int   param;   /* rawinput message param */
        unsigned short usage_page;/* HID usage page */
        unsigned short usage;   /* HID usage */
        unsigned int   count;   /* HID report count */
        unsigned int   length;  /* HID report length */
    } hid;
};

struct hardware_msg_data
{
    lparam_t             info;      /* extra info */
    data_size_t          size;      /* size of hardware message data */
    int                  __pad;
    unsigned int         hw_id;     /* unique id */
    unsigned int         flags;     /* hook flags */
    struct hw_msg_source source;    /* message source */
    union rawinput       rawinput;  /* rawinput message data */
};

struct callback_msg_data
{
    client_ptr_t    callback;   /* callback function */
    lparam_t        data;       /* user data for callback */
    lparam_t        result;     /* message result */
};

struct winevent_msg_data
{
    user_handle_t   hook;       /* hook handle */
    thread_id_t     tid;        /* thread id */
    client_ptr_t    hook_proc;  /* hook proc address */
    /* followed by module name if any */
};

typedef union
{
    int type;
    struct
    {
        int            type;    /* INPUT_KEYBOARD */
        unsigned short vkey;    /* virtual key code */
        unsigned short scan;    /* scan code */
        unsigned int   flags;   /* event flags */
        unsigned int   time;    /* event time */
        lparam_t       info;    /* extra info */
    } kbd;
    struct
    {
        int            type;    /* INPUT_MOUSE */
        int            x;       /* coordinates */
        int            y;
        unsigned int   data;    /* mouse data */
        unsigned int   flags;   /* event flags */
        unsigned int   time;    /* event time */
        lparam_t       info;    /* extra info */
    } mouse;
    struct
    {
        int            type;    /* INPUT_HARDWARE */
        unsigned int   msg;     /* message code */
        lparam_t       lparam;  /* message param */
        union rawinput rawinput;/* rawinput message data */
    } hw;
} hw_input_t;

typedef union
{
    unsigned char            bytes[1];   /* raw data for sent messages */
    struct hardware_msg_data hardware;
    struct callback_msg_data callback;
    struct winevent_msg_data winevent;
} message_data_t;

/* structure returned in filesystem events */
struct filesystem_event
{
    int         action;
    data_size_t len;
    char        name[1];
};

struct luid
{
    unsigned int low_part;
    int          high_part;
};

struct luid_attr
{
    struct luid  luid;
    unsigned int attrs;
};

struct acl
{
    unsigned char  revision;
    unsigned char  pad1;
    unsigned short size;
    unsigned short count;
    unsigned short pad2;
};

struct sid
{
    unsigned char revision;
    unsigned char sub_count;
    unsigned char id_auth[6];
    unsigned int  sub_auth[15];
};

typedef struct
{
    unsigned int read;
    unsigned int write;
    unsigned int exec;
    unsigned int all;
} generic_map_t;

#define MAX_ACL_LEN 65535

struct security_descriptor
{
    unsigned int control;       /* SE_ flags */
    data_size_t  owner_len;
    data_size_t  group_len;
    data_size_t  sacl_len;
    data_size_t  dacl_len;
    /* VARARG(owner,sid); */
    /* VARARG(group,sid); */
    /* VARARG(sacl,acl); */
    /* VARARG(dacl,acl); */
};

struct object_attributes
{
    obj_handle_t rootdir;       /* root directory */
    unsigned int attributes;    /* object attributes */
    data_size_t  sd_len;        /* length of security_descriptor data. may be 0 */
    data_size_t  name_len;      /* length of the name string. may be 0 */
    /* VARARG(sd,security_descriptor); */
    /* VARARG(name,unicode_str); */
};

struct object_type_info
{
    data_size_t   name_len;      /* length of the name string */
    unsigned int  index;         /* type index in global table */
    unsigned int  obj_count;     /* count of objects of this type */
    unsigned int  handle_count;  /* count of handles of this type */
    unsigned int  obj_max;       /* max count of objects of this type */
    unsigned int  handle_max;    /* max count of handles of this type */
    unsigned int  valid_access;  /* mask for valid access bits */
    generic_map_t mapping;       /* generic access mappings */
    /* VARARG(name,unicode_str); */
};

enum select_op
{
    SELECT_NONE,
    SELECT_WAIT,
    SELECT_WAIT_ALL,
    SELECT_SIGNAL_AND_WAIT,
    SELECT_KEYED_EVENT_WAIT,
    SELECT_KEYED_EVENT_RELEASE
};

typedef union
{
    enum select_op op;
    struct
    {
        enum select_op  op;      /* SELECT_WAIT or SELECT_WAIT_ALL */
        obj_handle_t    handles[MAXIMUM_WAIT_OBJECTS];
        int             __pad;
    } wait;
    struct
    {
        enum select_op  op;      /* SELECT_SIGNAL_AND_WAIT */
        obj_handle_t    wait;
        obj_handle_t    signal;  /* must be last in the structure so we can remove it on retries */
    } signal_and_wait;
    struct
    {
        enum select_op  op;      /* SELECT_KEYED_EVENT_WAIT or SELECT_KEYED_EVENT_RELEASE */
        obj_handle_t    handle;
        client_ptr_t    key;
    } keyed_event;
} select_op_t;

enum apc_type
{
    APC_NONE,
    APC_USER,
    APC_ASYNC_IO,
    APC_VIRTUAL_ALLOC,
    APC_VIRTUAL_ALLOC_EX,
    APC_VIRTUAL_FREE,
    APC_VIRTUAL_QUERY,
    APC_VIRTUAL_PROTECT,
    APC_VIRTUAL_FLUSH,
    APC_VIRTUAL_LOCK,
    APC_VIRTUAL_UNLOCK,
    APC_MAP_VIEW,
    APC_MAP_VIEW_EX,
    APC_UNMAP_VIEW,
    APC_CREATE_THREAD,
    APC_DUP_HANDLE
};

typedef struct
{
    enum apc_type    type;     /* APC_USER */
    int              __pad;
    client_ptr_t     func;     /* void (__stdcall *func)(ULONG_PTR,ULONG_PTR,ULONG_PTR); */
    apc_param_t      args[3];  /* arguments for user function */
} user_apc_t;

typedef union
{
    enum apc_type type;
    user_apc_t    user;
    struct
    {
        enum apc_type    type;     /* APC_ASYNC_IO */
        unsigned int     status;   /* I/O status */
        client_ptr_t     user;     /* user pointer */
        client_ptr_t     sb;       /* status block */
        data_size_t      result;   /* result size */
    } async_io;
    struct
    {
        enum apc_type    type;         /* APC_VIRTUAL_ALLOC */
        unsigned int     op_type;      /* type of operation */
        client_ptr_t     addr;         /* requested address */
        mem_size_t       size;         /* allocation size */
        mem_size_t       zero_bits;    /* number of zero high bits */
        unsigned int     prot;         /* memory protection flags */
    } virtual_alloc;
    struct
    {
        enum apc_type    type;         /* APC_VIRTUAL_ALLOC */
        unsigned int     op_type;      /* type of operation */
        client_ptr_t     addr;         /* requested address */
        mem_size_t       size;         /* allocation size */
        mem_size_t       limit_low;    /* allocation address limits */
        mem_size_t       limit_high;
        mem_size_t       align;        /* allocation alignment */
        unsigned int     prot;         /* memory protection flags */
        unsigned int     attributes;   /* memory extended attributes */
    } virtual_alloc_ex;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_FREE */
        unsigned int     op_type;   /* type of operation */
        client_ptr_t     addr;      /* requested address */
        mem_size_t       size;      /* allocation size */
    } virtual_free;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_QUERY */
        int              __pad;
        client_ptr_t     addr;      /* requested address */
    } virtual_query;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_PROTECT */
        unsigned int     prot;      /* new protection flags */
        client_ptr_t     addr;      /* requested address */
        mem_size_t       size;      /* requested size */
    } virtual_protect;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_FLUSH */
        int              __pad;
        client_ptr_t     addr;      /* requested address */
        mem_size_t       size;      /* requested size */
    } virtual_flush;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_LOCK */
        int              __pad;
        client_ptr_t     addr;      /* requested address */
        mem_size_t       size;      /* requested size */
    } virtual_lock;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_UNLOCK */
        int              __pad;
        client_ptr_t     addr;      /* requested address */
        mem_size_t       size;      /* requested size */
    } virtual_unlock;
    struct
    {
        enum apc_type    type;         /* APC_MAP_VIEW */
        obj_handle_t     handle;       /* mapping handle */
        client_ptr_t     addr;         /* requested address */
        mem_size_t       size;         /* allocation size */
        file_pos_t       offset;       /* file offset */
        mem_size_t       zero_bits;    /* number of zero high bits */
        unsigned int     alloc_type;   /* allocation type */
        unsigned int     prot;         /* memory protection flags */
    } map_view;
    struct
    {
        enum apc_type    type;         /* APC_MAP_VIEW_EX */
        obj_handle_t     handle;       /* mapping handle */
        client_ptr_t     addr;         /* requested address */
        mem_size_t       size;         /* allocation size */
        file_pos_t       offset;       /* file offset */
        mem_size_t       limit_low;    /* allocation address limits */
        mem_size_t       limit_high;
        unsigned int     alloc_type;   /* allocation type */
        unsigned int     prot;         /* memory protection flags */
        unsigned short   machine;      /* requested machine for image mappings */
        unsigned short   __pad[3];
    } map_view_ex;
    struct
    {
        enum apc_type    type;      /* APC_UNMAP_VIEW */
        unsigned int     flags;     /* unmap flags */
        client_ptr_t     addr;      /* view address */
    } unmap_view;
    struct
    {
        enum apc_type    type;      /* APC_CREATE_THREAD */
        unsigned int     flags;     /* creation flags */
        client_ptr_t     func;      /* void (__stdcall *func)(void*);  start function */
        client_ptr_t     arg;       /* argument for start function */
        mem_size_t       zero_bits; /* number of zero high bits for thread stack */
        mem_size_t       reserve;   /* reserve size for thread stack */
        mem_size_t       commit;    /* commit size for thread stack */
    } create_thread;
    struct
    {
        enum apc_type    type;         /* APC_DUP_HANDLE */
        obj_handle_t     src_handle;   /* src handle to duplicate */
        obj_handle_t     dst_process;  /* dst process handle */
        unsigned int     access;       /* wanted access rights */
        unsigned int     attributes;   /* object attributes */
        unsigned int     options;      /* duplicate options */
    } dup_handle;
} apc_call_t;

typedef union
{
    enum apc_type type;
    struct
    {
        enum apc_type    type;      /* APC_ASYNC_IO */
        unsigned int     status;    /* new status of async operation */
        unsigned int     total;     /* bytes transferred */
    } async_io;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_ALLOC */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } virtual_alloc;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_ALLOC_EX */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } virtual_alloc_ex;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_FREE */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } virtual_free;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_QUERY */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     base;      /* resulting base address */
        client_ptr_t     alloc_base;/* resulting allocation base */
        mem_size_t       size;      /* resulting region size */
        unsigned short   state;     /* resulting region state */
        unsigned short   prot;      /* resulting region protection */
        unsigned short   alloc_prot;/* resulting allocation protection */
        unsigned short   alloc_type;/* resulting region allocation type */
    } virtual_query;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_PROTECT */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
        unsigned int     prot;      /* old protection flags */
    } virtual_protect;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_FLUSH */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } virtual_flush;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_LOCK */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } virtual_lock;
    struct
    {
        enum apc_type    type;      /* APC_VIRTUAL_UNLOCK */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } virtual_unlock;
    struct
    {
        enum apc_type    type;      /* APC_MAP_VIEW */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } map_view;
    struct
    {
        enum apc_type    type;      /* APC_MAP_VIEW_EX */
        unsigned int     status;    /* status returned by call */
        client_ptr_t     addr;      /* resulting address */
        mem_size_t       size;      /* resulting size */
    } map_view_ex;
    struct
    {
        enum apc_type    type;      /* APC_UNMAP_VIEW */
        unsigned int     status;    /* status returned by call */
    } unmap_view;
    struct
    {
        enum apc_type    type;      /* APC_CREATE_THREAD */
        unsigned int     status;    /* status returned by call */
        process_id_t     pid;       /* process id */
        thread_id_t      tid;       /* thread id */
        client_ptr_t     teb;       /* thread teb (in process address space) */
        obj_handle_t     handle;    /* handle to new thread */
    } create_thread;
    struct
    {
        enum apc_type    type;      /* APC_DUP_HANDLE */
        unsigned int     status;    /* status returned by call */
        obj_handle_t     handle;    /* duplicated handle in dst process */
    } dup_handle;
    struct
    {
        enum apc_type    type;      /* APC_BREAK_PROCESS */
        unsigned int     status;    /* status returned by call */
    } break_process;
} apc_result_t;

enum irp_type
{
    IRP_CALL_NONE,
    IRP_CALL_CREATE,
    IRP_CALL_CLOSE,
    IRP_CALL_READ,
    IRP_CALL_WRITE,
    IRP_CALL_FLUSH,
    IRP_CALL_IOCTL,
    IRP_CALL_VOLUME,
    IRP_CALL_FREE,
    IRP_CALL_CANCEL
};

typedef union
{
    enum irp_type        type;      /* irp call type */
    struct
    {
        enum irp_type    type;      /* IRP_CALL_CREATE */
        unsigned int     access;    /* access rights */
        unsigned int     sharing;   /* sharing flags */
        unsigned int     options;   /* file options */
        client_ptr_t     device;    /* opaque ptr for the device */
        obj_handle_t     file;      /* file handle */
    } create;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_CLOSE */
        int              __pad;
        client_ptr_t     file;      /* opaque ptr for the file object */
    } close;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_READ */
        unsigned int     key;       /* driver key */
        data_size_t      out_size;  /* needed output size */
        int              __pad;
        client_ptr_t     file;      /* opaque ptr for the file object */
        file_pos_t       pos;       /* file position */
    } read;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_WRITE */
        unsigned int     key;       /* driver key */
        client_ptr_t     file;      /* opaque ptr for the file object */
        file_pos_t       pos;       /* file position */
    } write;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_FLUSH */
        int              __pad;
        client_ptr_t     file;      /* opaque ptr for the file object */
    } flush;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_IOCTL */
        ioctl_code_t     code;      /* ioctl code */
        data_size_t      out_size;  /* needed output size */
        int              __pad;
        client_ptr_t     file;      /* opaque ptr for the file object */
    } ioctl;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_VOLUME */
        unsigned int     info_class;/* information class */
        data_size_t      out_size;  /* needed output size */
        int              __pad;
        client_ptr_t     file;      /* opaque ptr for the file object */
    } volume;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_FREE */
        int              __pad;
        client_ptr_t     obj;       /* opaque ptr for the freed object */
    } free;
    struct
    {
        enum irp_type    type;      /* IRP_CALL_CANCEL */
        int              __pad;
        client_ptr_t     irp;       /* opaque ptr for canceled irp */
    } cancel;
} irp_params_t;

/* information about a PE image mapping, roughly equivalent to SECTION_IMAGE_INFORMATION */
typedef struct
{
    client_ptr_t   base;
    mem_size_t     stack_size;
    mem_size_t     stack_commit;
    unsigned int   entry_point;
    unsigned int   map_size;
    unsigned int   zerobits;
    unsigned int   subsystem;
    unsigned short subsystem_minor;
    unsigned short subsystem_major;
    unsigned short osversion_major;
    unsigned short osversion_minor;
    unsigned short image_charact;
    unsigned short dll_charact;
    unsigned short machine;
    unsigned char  contains_code : 1;
    unsigned char  wine_builtin : 1;
    unsigned char  wine_fakedll : 1;
    unsigned char  image_flags;
    unsigned int   loader_flags;
    unsigned int   header_size;
    unsigned int   file_size;
    unsigned int   checksum;
    unsigned int   dbg_offset;
    unsigned int   dbg_size;
} pe_image_info_t;
#define IMAGE_FLAGS_ComPlusNativeReady        0x01
#define IMAGE_FLAGS_ComPlusILOnly             0x02
#define IMAGE_FLAGS_ImageDynamicallyRelocated 0x04
#define IMAGE_FLAGS_ImageMappedFlat           0x08
#define IMAGE_FLAGS_BaseBelow4gb              0x10
#define IMAGE_FLAGS_ComPlusPrefer32bit        0x20

struct rawinput_device
{
    unsigned short usage_page;
    unsigned short usage;
    unsigned int   flags;
    user_handle_t  target;
};

typedef struct
{
    int x;
    int y;
    unsigned int time;
    int __pad;
    lparam_t info;
} cursor_pos_t;

/****************************************************************/
/* Request declarations */

/* Create a new process from the context of the parent */
@REQ(new_process)
    obj_handle_t token;          /* process token */
    obj_handle_t debug;          /* process debug object */
    obj_handle_t parent_process; /* parent process */
    unsigned int flags;          /* process creation flags */
    int          socket_fd;      /* file descriptor for process socket */
    unsigned int access;         /* access rights for process object */
    unsigned short machine;      /* architecture that the new process will use */
    data_size_t  info_size;      /* size of startup info */
    data_size_t  handles_size;   /* length of explicit handles list */
    data_size_t  jobs_size;      /* length of jobs list */
    VARARG(objattr,object_attributes);   /* object attributes */
    VARARG(handles,uints,handles_size);  /* handles list */
    VARARG(jobs,uints,jobs_size);        /* jobs list */
    VARARG(info,startup_info,info_size); /* startup information */
    VARARG(env,unicode_str);     /* environment for new process */
@REPLY
    obj_handle_t info;           /* new process info handle */
    process_id_t pid;            /* process id */
    obj_handle_t handle;         /* process handle (in the current process) */
@END


/* Retrieve information about a newly started process */
@REQ(get_new_process_info)
    obj_handle_t info;           /* info handle returned from new_process_request */
@REPLY
    int          success;      /* did the process start successfully? */
    int          exit_code;    /* process exit code if failed */
@END


/* Create a new thread */
@REQ(new_thread)
    obj_handle_t process;      /* process in which to create thread */
    unsigned int access;       /* wanted access rights */
    unsigned int flags;        /* thread creation flags */
    int          request_fd;   /* fd for request pipe */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    thread_id_t  tid;          /* thread id */
    obj_handle_t handle;       /* thread handle (in the current process) */
@END


/* Retrieve the new process startup info */
@REQ(get_startup_info)
@REPLY
    data_size_t  info_size;    /* size of startup info */
    unsigned short machine;    /* architecture for the new process */
    VARARG(info,startup_info,info_size); /* startup information */
    VARARG(env,unicode_str);   /* environment */
@END


/* Signal the end of the process initialization */
@REQ(init_process_done)
    client_ptr_t teb;          /* TEB of new thread (in process address space) */
    client_ptr_t peb;          /* PEB of new process (in process address space) */
    client_ptr_t ldt_copy;     /* address of LDT copy (in process address space) */
@REPLY
    client_ptr_t entry;        /* process entry point */
    int          suspend;      /* is process suspended? */
@END


/* Initialize the first thread of a new process */
@REQ(init_first_thread)
    int          unix_pid;     /* Unix pid of new process */
    int          unix_tid;     /* Unix tid of new thread */
    int          debug_level;  /* new debug level */
    int          reply_fd;     /* fd for reply pipe */
    int          wait_fd;      /* fd for blocking calls pipe */
@REPLY
    process_id_t pid;          /* process id of the new thread's process */
    thread_id_t  tid;          /* thread id of the new thread */
    timeout_t    server_start; /* server start time */
    unsigned int session_id;   /* process session id */
    data_size_t  info_size;    /* total size of startup info */
    VARARG(machines,ushorts);  /* array of supported machines */
@END


/* Initialize a new thread; called from the child after pthread_create() */
@REQ(init_thread)
    int          unix_tid;     /* Unix tid of new thread */
    int          reply_fd;     /* fd for reply pipe */
    int          wait_fd;      /* fd for blocking calls pipe */
    client_ptr_t teb;          /* TEB of new thread (in thread address space) */
    client_ptr_t entry;        /* entry point (in thread address space) */
@REPLY
    int          suspend;      /* is thread suspended? */
@END


/* Terminate a process */
@REQ(terminate_process)
    obj_handle_t handle;       /* process handle to terminate */
    int          exit_code;    /* process exit code */
@REPLY
    int          self;         /* suicide? */
@END


/* Terminate a thread */
@REQ(terminate_thread)
    obj_handle_t handle;       /* thread handle to terminate */
    int          exit_code;    /* thread exit code */
@REPLY
    int          self;         /* suicide? */
@END


/* Retrieve information about a process */
@REQ(get_process_info)
    obj_handle_t handle;           /* process handle */
@REPLY
    process_id_t pid;              /* server process id */
    process_id_t ppid;             /* server process id of parent */
    affinity_t   affinity;         /* process affinity mask */
    client_ptr_t peb;              /* PEB address in process address space */
    timeout_t    start_time;       /* process start time */
    timeout_t    end_time;         /* process end time */
    unsigned int session_id;       /* process session id */
    int          exit_code;        /* process exit code */
    int          priority;         /* priority class */
    unsigned short machine;        /* process architecture */
    VARARG(image,pe_image_info);   /* image info for main exe */
@END


/* Retrieve debug information about a process */
@REQ(get_process_debug_info)
    obj_handle_t handle;           /* process handle */
@REPLY
    obj_handle_t debug;            /* handle to debug port */
    int          debug_children;   /* inherit debugger to child processes */
    VARARG(image,pe_image_info);   /* image info for main exe */
@END


/* Fetch the name of the process image */
@REQ(get_process_image_name)
    obj_handle_t handle;           /* process handle */
    int          win32;            /* return a win32 filename? */
@REPLY
    data_size_t  len;              /* len in bytes required to store filename */
    VARARG(name,unicode_str);      /* image name for main exe */
@END


/* Retrieve information about a process memory usage */
@REQ(get_process_vm_counters)
    obj_handle_t handle;                        /* process handle */
@REPLY
    mem_size_t peak_virtual_size;               /* peak virtual memory in bytes */
    mem_size_t virtual_size;                    /* virtual memory in bytes */
    mem_size_t peak_working_set_size;           /* peak real memory in bytes */
    mem_size_t working_set_size;                /* real memory in bytes */
    mem_size_t pagefile_usage;                  /* commit charge in bytes */
    mem_size_t peak_pagefile_usage;             /* peak commit charge in bytes */
@END


/* Set a process information */
@REQ(set_process_info)
    obj_handle_t handle;       /* process handle */
    int          mask;         /* setting mask (see below) */
    int          priority;     /* priority class */
    affinity_t   affinity;     /* affinity mask */
@END
#define SET_PROCESS_INFO_PRIORITY 0x01
#define SET_PROCESS_INFO_AFFINITY 0x02


/* Retrieve information about a thread */
@REQ(get_thread_info)
    obj_handle_t handle;        /* thread handle */
    unsigned int access;        /* required access rights */
@REPLY
    process_id_t pid;           /* server process id */
    thread_id_t  tid;           /* server thread id */
    client_ptr_t teb;           /* thread teb pointer */
    client_ptr_t entry_point;   /* thread entry point */
    affinity_t   affinity;      /* thread affinity mask */
    int          exit_code;     /* thread exit code */
    int          priority;      /* thread priority level */
    int          last;          /* last thread in process */
    int          suspend_count; /* thread suspend count */
    int          dbg_hidden;    /* thread hidden from debugger */
    data_size_t  desc_len;      /* description length in bytes */
    VARARG(desc,unicode_str);   /* description string */
@END


/* Retrieve information about thread times */
@REQ(get_thread_times)
    obj_handle_t handle;        /* thread handle */
@REPLY
    timeout_t    creation_time; /* thread creation time */
    timeout_t    exit_time;     /* thread exit time */
    int          unix_pid;      /* thread native pid */
    int          unix_tid;      /* thread native pid */
@END


/* Set a thread information */
@REQ(set_thread_info)
    obj_handle_t handle;       /* thread handle */
    int          mask;         /* setting mask (see below) */
    int          priority;     /* priority class */
    affinity_t   affinity;     /* affinity mask */
    client_ptr_t entry_point;  /* thread entry point */
    obj_handle_t token;        /* impersonation token */
    VARARG(desc,unicode_str);  /* description string */
@END
#define SET_THREAD_INFO_PRIORITY    0x01
#define SET_THREAD_INFO_AFFINITY    0x02
#define SET_THREAD_INFO_TOKEN       0x04
#define SET_THREAD_INFO_ENTRYPOINT  0x08
#define SET_THREAD_INFO_DESCRIPTION 0x10
#define SET_THREAD_INFO_DBG_HIDDEN  0x20


/* Suspend a thread */
@REQ(suspend_thread)
    obj_handle_t handle;       /* thread handle */
@REPLY
    int          count;        /* new suspend count */
@END


/* Resume a thread */
@REQ(resume_thread)
    obj_handle_t handle;       /* thread handle */
@REPLY
    int          count;        /* new suspend count */
@END


/* Queue an APC for a thread or process */
@REQ(queue_apc)
    obj_handle_t handle;       /* thread or process handle */
    VARARG(call,apc_call);     /* call arguments */
@REPLY
    obj_handle_t handle;       /* APC handle */
    int          self;         /* run APC in caller itself? */
@END


/* Get the result of an APC call */
@REQ(get_apc_result)
    obj_handle_t handle;       /* handle to the APC */
@REPLY
    apc_result_t result;       /* result of the APC */
@END


/* Close a handle for the current process */
@REQ(close_handle)
    obj_handle_t handle;       /* handle to close */
@END


/* Set a handle information */
@REQ(set_handle_info)
    obj_handle_t handle;       /* handle we are interested in */
    int          flags;        /* new handle flags */
    int          mask;         /* mask for flags to set */
@REPLY
    int          old_flags;    /* old flag value */
@END


/* Duplicate a handle */
@REQ(dup_handle)
    obj_handle_t src_process;  /* src process handle */
    obj_handle_t src_handle;   /* src handle to duplicate */
    obj_handle_t dst_process;  /* dst process handle */
    unsigned int access;       /* wanted access rights */
    unsigned int attributes;   /* object attributes */
    unsigned int options;      /* duplicate options */
@REPLY
    obj_handle_t handle;       /* duplicated handle in dst process */
@END


/* Test if two handles refer to the same object */
@REQ(compare_objects)
    obj_handle_t first;         /* first object handle */
    obj_handle_t second;        /* second object handle */
@END


/* Make an object temporary */
@REQ(make_temporary)
    obj_handle_t handle;       /* handle to the object */
@END


/* Open a handle to a process */
@REQ(open_process)
    process_id_t pid;          /* process id to open */
    unsigned int access;       /* wanted access rights */
    unsigned int attributes;   /* object attributes */
@REPLY
    obj_handle_t handle;       /* handle to the process */
@END


/* Open a handle to a thread */
@REQ(open_thread)
    thread_id_t  tid;          /* thread id to open */
    unsigned int access;       /* wanted access rights */
    unsigned int attributes;   /* object attributes */
@REPLY
    obj_handle_t handle;       /* handle to the thread */
@END


/* Wait for handles */
@REQ(select)
    int          flags;        /* wait flags (see below) */
    client_ptr_t cookie;       /* magic cookie to return to client */
    abstime_t    timeout;      /* timeout */
    data_size_t  size;         /* size of select_op */
    obj_handle_t prev_apc;     /* handle to previous APC */
    VARARG(result,apc_result); /* result of previous APC */
    VARARG(data,select_op,size); /* operation-specific data */
    VARARG(contexts,contexts);   /* suspend context(s) */
@REPLY
    obj_handle_t apc_handle;   /* handle to next APC */
    int          signaled;     /* were the handles immediately signaled? */
    VARARG(call,apc_call);     /* APC call arguments */
    VARARG(contexts,contexts); /* suspend context(s) */
@END
#define SELECT_ALERTABLE     1
#define SELECT_INTERRUPTIBLE 2


/* Create an event */
@REQ(create_event)
    unsigned int access;        /* wanted access rights */
    int          manual_reset;  /* manual reset event */
    int          initial_state; /* initial state of the event */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;        /* handle to the event */
@END

/* Event operation */
@REQ(event_op)
    obj_handle_t  handle;       /* handle to event */
    int           op;           /* event operation (see below) */
@REPLY
    int           state;        /* previous state */
@END
enum event_op { PULSE_EVENT, SET_EVENT, RESET_EVENT };

@REQ(query_event)
    obj_handle_t  handle;       /* handle to event */
@REPLY
    int          manual_reset;  /* manual reset event */
    int          state;         /* current state of the event */
@END

/* Open an event */
@REQ(open_event)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    obj_handle_t rootdir;       /* root directory */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    obj_handle_t handle;        /* handle to the event */
@END


/* Create a keyed event */
@REQ(create_keyed_event)
    unsigned int access;        /* wanted access rights */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;        /* handle to the event */
@END

/* Open a keyed event */
@REQ(open_keyed_event)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    obj_handle_t rootdir;       /* root directory */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    obj_handle_t handle;        /* handle to the event */
@END


/* Create a mutex */
@REQ(create_mutex)
    unsigned int access;        /* wanted access rights */
    int          owned;         /* initially owned? */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;        /* handle to the mutex */
@END


/* Release a mutex */
@REQ(release_mutex)
    obj_handle_t handle;        /* handle to the mutex */
@REPLY
    unsigned int prev_count;    /* value of internal counter, before release */
@END


/* Open a mutex */
@REQ(open_mutex)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    obj_handle_t rootdir;       /* root directory */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    obj_handle_t handle;        /* handle to the mutex */
@END


/* Query a mutex */
@REQ(query_mutex)
    obj_handle_t  handle;       /* handle to mutex */
@REPLY
    unsigned int count;         /* current count of mutex */
    int          owned;         /* true if owned by current thread */
    int          abandoned;     /* true if abandoned */
@END


/* Create a semaphore */
@REQ(create_semaphore)
    unsigned int access;        /* wanted access rights */
    unsigned int initial;       /* initial count */
    unsigned int max;           /* maximum count */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;        /* handle to the semaphore */
@END


/* Release a semaphore */
@REQ(release_semaphore)
    obj_handle_t handle;        /* handle to the semaphore */
    unsigned int count;         /* count to add to semaphore */
@REPLY
    unsigned int prev_count;    /* previous semaphore count */
@END

@REQ(query_semaphore)
    obj_handle_t handle;       /* handle to the semaphore */
@REPLY
    unsigned int current;      /* current count */
    unsigned int max;          /* maximum count */
@END

/* Open a semaphore */
@REQ(open_semaphore)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    obj_handle_t rootdir;       /* root directory */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    obj_handle_t handle;        /* handle to the semaphore */
@END


/* Create a file */
@REQ(create_file)
    unsigned int access;        /* wanted access rights */
    unsigned int sharing;       /* sharing flags */
    int          create;        /* file create action */
    unsigned int options;       /* file options */
    unsigned int attrs;         /* file attributes for creation */
    VARARG(objattr,object_attributes); /* object attributes */
    VARARG(filename,string);    /* file name */
@REPLY
    obj_handle_t handle;        /* handle to the file */
@END


/* Open a file object */
@REQ(open_file_object)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* open attributes */
    obj_handle_t rootdir;       /* root directory */
    unsigned int sharing;       /* sharing flags */
    unsigned int options;       /* file options */
    VARARG(filename,unicode_str); /* file name */
@REPLY
    obj_handle_t handle;        /* handle to the file */
@END


/* Allocate a file handle for a Unix fd */
@REQ(alloc_file_handle)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    int          fd;            /* file descriptor on the client side */
@REPLY
    obj_handle_t handle;        /* handle to the file */
@END


/* Get the Unix name from a file handle */
@REQ(get_handle_unix_name)
    obj_handle_t   handle;      /* file handle */
@REPLY
    data_size_t    name_len;    /* unix name length */
    VARARG(name,string);        /* unix name */
@END


/* Get a Unix fd to access a file */
@REQ(get_handle_fd)
    obj_handle_t handle;        /* handle to the file */
@REPLY
    int          type;          /* file type (see below) */
    int          cacheable;     /* can fd be cached in the client? */
    unsigned int access;        /* file access rights */
    unsigned int options;       /* file open options */
@END
enum server_fd_type
{
    FD_TYPE_INVALID,  /* invalid file (no associated fd) */
    FD_TYPE_FILE,     /* regular file */
    FD_TYPE_DIR,      /* directory */
    FD_TYPE_SOCKET,   /* socket */
    FD_TYPE_SERIAL,   /* serial port */
    FD_TYPE_PIPE,     /* named pipe */
    FD_TYPE_MAILSLOT, /* mailslot */
    FD_TYPE_CHAR,     /* unspecified char device */
    FD_TYPE_DEVICE,   /* Windows device file */
    FD_TYPE_NB_TYPES
};


/* Retrieve (or allocate) the client-side directory cache entry */
@REQ(get_directory_cache_entry)
    obj_handle_t handle;        /* handle to the directory */
@REPLY
    int          entry;         /* cache entry on the client side */
    VARARG(free,ints);          /* entries that can be freed */
@END


/* Flush a file buffers */
@REQ(flush)
    async_data_t   async;       /* async I/O parameters */
@REPLY
    obj_handle_t event;         /* event set when finished */
@END

/* Query file information */
@REQ(get_file_info)
    obj_handle_t handle;        /* handle to the file */
    unsigned int info_class;    /* queried information class */
@REPLY
    VARARG(data,bytes);         /* file info data */
@END

/* Query volume information */
@REQ(get_volume_info)
    obj_handle_t handle;        /* handle to the file */
    async_data_t async;         /* async I/O parameters */
    unsigned int info_class;    /* queried information class */
@REPLY
    obj_handle_t wait;          /* handle to wait on for blocking read */
    VARARG(data,bytes);         /* volume info data */
@END

/* Lock a region of a file */
@REQ(lock_file)
    obj_handle_t handle;        /* handle to the file */
    file_pos_t   offset;        /* offset of start of lock */
    file_pos_t   count;         /* count of bytes to lock */
    int          shared;        /* shared or exclusive lock? */
    int          wait;          /* do we want to wait? */
@REPLY
    obj_handle_t handle;        /* handle to wait on */
    int          overlapped;    /* is it an overlapped I/O handle? */
@END


/* Unlock a region of a file */
@REQ(unlock_file)
    obj_handle_t handle;        /* handle to the file */
    file_pos_t   offset;        /* offset of start of unlock */
    file_pos_t   count;         /* count of bytes to unlock */
@END


/* Perform a recv on a socket */
@REQ(recv_socket)
    int          oob;           /* are we receiving OOB data? */
    async_data_t async;         /* async I/O parameters */
    int          force_async;   /* Force asynchronous mode? */
@REPLY
    obj_handle_t wait;          /* handle to wait on for blocking recv */
    unsigned int options;       /* device open options */
    int          nonblocking;   /* is socket non-blocking? */
@END


/* Perform a send on a socket */
@REQ(send_socket)
    async_data_t async;         /* async I/O parameters */
    int          force_async;   /* Force asynchronous mode? */
@REPLY
    obj_handle_t wait;          /* handle to wait on for blocking send */
    unsigned int options;       /* device open options */
    int          nonblocking;   /* is socket non-blocking? */
@END


/* Get socket event flags */
@REQ(socket_get_events)
    obj_handle_t handle;        /* socket handle */
    obj_handle_t event;         /* event to reset */
@REPLY
    unsigned int flags;         /* event mask */
    VARARG(status,uints);       /* array of status codes */
@END


/* Store ICMP id for ICMP over datagram fixup */
@REQ(socket_send_icmp_id)
    obj_handle_t   handle;        /* socket handle */
    unsigned short icmp_id;       /* ICMP packet id */
    unsigned short icmp_seq;      /* ICMP packed sequence */
@REPLY
@END


/* Get ICMP id for ICMP over datagram fixup */
@REQ(socket_get_icmp_id)
    obj_handle_t   handle;        /* socket handle */
    unsigned short icmp_seq;      /* ICMP packed sequence */
@REPLY
    unsigned short icmp_id;       /* ICMP packet id */
@END


/* Retrieve the next pending console ioctl request */
@REQ(get_next_console_request)
    obj_handle_t handle;        /* console server handle */
    int          signal;        /* server signal state */
    int          read;          /* 1 if reporting result of blocked read ioctl */
    unsigned int status;        /* status of previous ioctl */
    VARARG(out_data,bytes);     /* out_data of previous ioctl */
@REPLY
    unsigned int code;          /* ioctl code */
    unsigned int output;        /* output id or 0 for input */
    data_size_t  out_size;      /* ioctl output size */
    VARARG(in_data,bytes);      /* ioctl in_data */
@END


/* enable directory change notifications */
@REQ(read_directory_changes)
    unsigned int filter;        /* notification filter */
    int          subtree;       /* watch the subtree? */
    int          want_data;     /* flag indicating whether change data should be collected */
    async_data_t async;         /* async I/O parameters */
@END


@REQ(read_change)
    obj_handle_t handle;
@REPLY
    VARARG(events,filesystem_event);  /* collected filesystem events */
@END


/* Create a file mapping */
@REQ(create_mapping)
    unsigned int access;        /* wanted access rights */
    unsigned int flags;         /* SEC_* flags */
    unsigned int file_access;   /* file access rights */
    mem_size_t   size;          /* mapping size */
    obj_handle_t file_handle;   /* file handle */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;        /* handle to the mapping */
@END


/* Open a mapping */
@REQ(open_mapping)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    obj_handle_t rootdir;       /* root directory */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    obj_handle_t handle;        /* handle to the mapping */
@END


/* Get information about a file mapping */
@REQ(get_mapping_info)
    obj_handle_t handle;        /* handle to the mapping */
    unsigned int access;        /* wanted access rights */
@REPLY
    mem_size_t   size;          /* mapping size */
    unsigned int flags;         /* SEC_* flags */
    obj_handle_t shared_file;   /* shared mapping file handle */
    data_size_t  total;         /* total required buffer size in bytes */
    VARARG(image,pe_image_info);/* image info for SEC_IMAGE mappings */
    VARARG(name,unicode_str);   /* filename for SEC_IMAGE mappings */
@END


/* Add a memory view in the current process */
@REQ(map_view)
    obj_handle_t mapping;       /* file mapping handle */
    unsigned int access;        /* wanted access rights */
    client_ptr_t base;          /* view base address (page-aligned) */
    mem_size_t   size;          /* view size */
    file_pos_t   start;         /* start offset in mapping */
@END


/* Add a memory view for an image mapping in the current process */
@REQ(map_image_view)
    obj_handle_t mapping;       /* file mapping handle */
    client_ptr_t base;          /* view base address (page-aligned) */
    mem_size_t   size;          /* view size */
    unsigned int entry;         /* entry point in mapped view */
    unsigned short machine;     /* machine in the mapped view */
@END


/* Add a memory view for a builtin dll in the current process */
@REQ(map_builtin_view)
    VARARG(image,pe_image_info);/* image info */
    VARARG(name,unicode_str);   /* image filename */
@END


/* Get information about a mapped image view */
@REQ(get_image_view_info)
    obj_handle_t process;       /* process handle */
    client_ptr_t addr;          /* address inside mapped view (in process address space) */
@REPLY
    client_ptr_t base;          /* view base address */
    mem_size_t   size;          /* view size */
@END


/* Unmap a memory view from the current process */
@REQ(unmap_view)
    client_ptr_t base;          /* view base address */
@END


/* Get a range of committed pages in a file mapping */
@REQ(get_mapping_committed_range)
    client_ptr_t base;          /* view base address */
    file_pos_t   offset;        /* starting offset (page-aligned, in bytes) */
@REPLY
    mem_size_t   size;          /* size of range starting at offset (page-aligned, in bytes) */
    int          committed;     /* whether it is a committed range */
@END


/* Add a range to the committed pages in a file mapping */
@REQ(add_mapping_committed_range)
    client_ptr_t base;          /* view base address */
    file_pos_t   offset;        /* starting offset (page-aligned, in bytes) */
    mem_size_t   size;          /* size to set (page-aligned, in bytes) or 0 if only retrieving */
@END


/* Check if two memory maps are for the same file */
@REQ(is_same_mapping)
    client_ptr_t base1;         /* first view base address */
    client_ptr_t base2;         /* second view base address */
@END


/* Get the filename of a mapping */
@REQ(get_mapping_filename)
    obj_handle_t process;       /* process handle */
    client_ptr_t addr;          /* address inside mapped view (in process address space) */
@REPLY
    data_size_t  len;           /* total filename length in bytes */
    VARARG(filename,unicode_str); /* filename in NT format */
@END


struct thread_info
{
    timeout_t       start_time;
    thread_id_t     tid;
    int             base_priority;
    int             current_priority;
    int             unix_tid;
    client_ptr_t    teb;
    client_ptr_t    entry_point;
};

struct process_info
{
    timeout_t       start_time;
    data_size_t     name_len;
    int             thread_count;
    int             priority;
    process_id_t    pid;
    process_id_t    parent_pid;
    unsigned int    session_id;
    int             handle_count;
    int             unix_pid;
    /* VARARG(name,unicode_str,name_len); */
    /* VARARG(threads,struct thread_info,thread_count); */
};

/* Get a list of processes and threads currently running */
@REQ(list_processes)
@REPLY
    data_size_t     info_size;
    int             process_count;
    int             total_thread_count;
    data_size_t     total_name_len;
    VARARG(data,process_info,info_size);
@END


/* Create a debug object */
@REQ(create_debug_obj)
    unsigned int access;       /* wanted access rights */
    unsigned int flags;        /* object flags */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;       /* handle to the debug object */
@END


/* Wait for a debug event */
@REQ(wait_debug_event)
    obj_handle_t debug;        /* debug object */
@REPLY
    process_id_t  pid;         /* process id */
    thread_id_t   tid;         /* thread id */
    VARARG(event,debug_event); /* debug event data */
@END


/* Queue an exception event */
@REQ(queue_exception_event)
    int           first;       /* first chance exception? */
    unsigned int  code;        /* exception code */
    unsigned int  flags;       /* exception flags */
    client_ptr_t  record;      /* exception record */
    client_ptr_t  address;     /* exception address */
    data_size_t   len;         /* size of parameters */
    VARARG(params,uints64,len);/* exception parameters */
@REPLY
    obj_handle_t     handle;   /* handle to the queued event */
@END


/* Retrieve the status of an exception event */
@REQ(get_exception_status)
    obj_handle_t     handle;   /* handle to the queued event */
@END


/* Continue a debug event */
@REQ(continue_debug_event)
    obj_handle_t debug;        /* debug object */
    process_id_t pid;          /* process id to continue */
    thread_id_t  tid;          /* thread id to continue */
    unsigned int status;       /* continuation status */
@END


/* Start or stop debugging an existing process */
@REQ(debug_process)
    obj_handle_t handle;       /* process handle */
    obj_handle_t debug;        /* debug object to attach to the process */
    int          attach;       /* 1=attaching / 0=detaching from the process */
@END


/* Set debug object information */
@REQ(set_debug_obj_info)
    obj_handle_t debug;        /* debug object */
    unsigned int flags;        /* object flags */
@END


/* Read data from a process address space */
@REQ(read_process_memory)
    obj_handle_t handle;       /* process handle */
    client_ptr_t addr;         /* addr to read from */
@REPLY
    VARARG(data,bytes);        /* result data */
@END


/* Write data to a process address space */
@REQ(write_process_memory)
    obj_handle_t handle;       /* process handle */
    client_ptr_t addr;         /* addr to write to */
    VARARG(data,bytes);        /* data to write */
@END


/* Create a registry key */
@REQ(create_key)
    unsigned int access;       /* desired access rights */
    unsigned int options;      /* creation options */
    VARARG(objattr,object_attributes); /* object attributes */
    VARARG(class,unicode_str);         /* class name */
@REPLY
    obj_handle_t hkey;         /* handle to the created key */
@END

/* Open a registry key */
@REQ(open_key)
    obj_handle_t parent;       /* handle to the parent key */
    unsigned int access;       /* desired access rights */
    unsigned int attributes;   /* object attributes */
    VARARG(name,unicode_str);  /* key name */
@REPLY
    obj_handle_t hkey;         /* handle to the open key */
@END


/* Delete a registry key */
@REQ(delete_key)
    obj_handle_t hkey;         /* handle to the key */
@END


/* Flush a registry key */
@REQ(flush_key)
    obj_handle_t hkey;         /* handle to the key */
@END


/* Enumerate registry subkeys */
@REQ(enum_key)
    obj_handle_t hkey;         /* handle to registry key */
    int          index;        /* index of subkey (or -1 for current key) */
    int          info_class;   /* requested information class */
@REPLY
    int          subkeys;      /* number of subkeys */
    int          max_subkey;   /* longest subkey name */
    int          max_class;    /* longest class name */
    int          values;       /* number of values */
    int          max_value;    /* longest value name */
    int          max_data;     /* longest value data */
    timeout_t    modif;        /* last modification time */
    data_size_t  total;        /* total length needed for full name and class */
    data_size_t  namelen;      /* length of key name in bytes */
    VARARG(name,unicode_str,namelen);  /* key name */
    VARARG(class,unicode_str);         /* class name */
@END


/* Set a value of a registry key */
@REQ(set_key_value)
    obj_handle_t hkey;         /* handle to registry key */
    int          type;         /* value type */
    data_size_t  namelen;      /* length of value name in bytes */
    VARARG(name,unicode_str,namelen);  /* value name */
    VARARG(data,bytes);                /* value data */
@END


/* Retrieve the value of a registry key */
@REQ(get_key_value)
    obj_handle_t hkey;         /* handle to registry key */
    VARARG(name,unicode_str);  /* value name */
@REPLY
    int          type;         /* value type */
    data_size_t  total;        /* total length needed for data */
    VARARG(data,bytes);        /* value data */
@END


/* Enumerate a value of a registry key */
@REQ(enum_key_value)
    obj_handle_t hkey;         /* handle to registry key */
    int          index;        /* value index */
    int          info_class;   /* requested information class */
@REPLY
    int          type;         /* value type */
    data_size_t  total;        /* total length needed for full name and data */
    data_size_t  namelen;      /* length of value name in bytes */
    VARARG(name,unicode_str,namelen);  /* value name */
    VARARG(data,bytes);                /* value data */
@END


/* Delete a value of a registry key */
@REQ(delete_key_value)
    obj_handle_t hkey;         /* handle to registry key */
    VARARG(name,unicode_str);  /* value name */
@END


/* Load a registry branch from a file */
@REQ(load_registry)
    obj_handle_t file;         /* file to load from */
    VARARG(objattr,object_attributes); /* object attributes */
@END


/* UnLoad a registry branch from a file */
@REQ(unload_registry)
    obj_handle_t parent;       /* handle to the parent key */
    unsigned int attributes;   /* object attributes */
    VARARG(name,unicode_str);  /* key name */
@END


/* Save a registry branch to a file */
@REQ(save_registry)
    obj_handle_t hkey;         /* key to save */
    obj_handle_t file;         /* file to save to */
@END


/* Add a registry key change notification */
@REQ(set_registry_notification)
    obj_handle_t hkey;         /* key to watch for changes */
    obj_handle_t event;        /* event to set */
    int          subtree;      /* should we watch the whole subtree? */
    unsigned int filter;       /* things to watch */
@END


/* Rename a registry key */
@REQ(rename_key)
    obj_handle_t hkey;         /* handle to the key to be renamed */
    VARARG(name,unicode_str);  /* new name */
@END


/* Create a waitable timer */
@REQ(create_timer)
    unsigned int access;        /* wanted access rights */
    int          manual;        /* manual reset */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;        /* handle to the timer */
@END


/* Open a waitable timer */
@REQ(open_timer)
    unsigned int access;        /* wanted access rights */
    unsigned int attributes;    /* object attributes */
    obj_handle_t rootdir;       /* root directory */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    obj_handle_t handle;        /* handle to the timer */
@END

/* Set a waitable timer */
@REQ(set_timer)
    obj_handle_t handle;        /* handle to the timer */
    timeout_t    expire;        /* next expiration absolute time */
    client_ptr_t callback;      /* callback function */
    client_ptr_t arg;           /* callback argument */
    int          period;        /* timer period in ms */
@REPLY
    int          signaled;      /* was the timer signaled before this call ? */
@END

/* Cancel a waitable timer */
@REQ(cancel_timer)
    obj_handle_t handle;        /* handle to the timer */
@REPLY
     int         signaled;      /* was the timer signaled before this calltime ? */
@END

/* Get information on a waitable timer */
@REQ(get_timer_info)
    obj_handle_t handle;        /* handle to the timer */
@REPLY
    timeout_t    when;          /* absolute time when the timer next expires */
    int          signaled;      /* is the timer signaled? */
@END


/* Retrieve the current context of a thread */
@REQ(get_thread_context)
    obj_handle_t handle;       /* thread handle */
    obj_handle_t context;      /* context handle */
    unsigned int flags;        /* context flags */
    unsigned int native_flags; /* flags for native context if WoW present */
    unsigned short machine;    /* context architecture */
@REPLY
    int          self;         /* was it a handle to the current thread? */
    obj_handle_t handle;       /* pending context handle */
    VARARG(contexts,contexts); /* thread context(s) */
@END


/* Set the current context of a thread */
@REQ(set_thread_context)
    obj_handle_t handle;       /* thread handle */
    unsigned int native_flags; /* flags for native context if WoW present */
    VARARG(contexts,contexts); /* thread context(s) */
@REPLY
    int          self;         /* was it a handle to the current thread? */
@END


/* Fetch a selector entry for a thread */
@REQ(get_selector_entry)
    obj_handle_t  handle;      /* thread handle */
    int           entry;       /* LDT entry */
@REPLY
    unsigned int  base;        /* selector base */
    unsigned int  limit;       /* selector limit */
    unsigned char flags;       /* selector flags */
@END


/* Add an atom */
@REQ(add_atom)
    VARARG(name,unicode_str);  /* atom name */
@REPLY
    atom_t        atom;        /* resulting atom */
@END


/* Delete an atom */
@REQ(delete_atom)
    atom_t        atom;        /* atom handle */
@END


/* Find an atom */
@REQ(find_atom)
    VARARG(name,unicode_str);  /* atom name */
@REPLY
    atom_t       atom;         /* atom handle */
@END


/* Get information about an atom */
@REQ(get_atom_information)
    atom_t       atom;         /* atom handle */
@REPLY
    int          count;        /* atom lock count */
    int          pinned;       /* whether the atom has been pinned */
    data_size_t  total;        /* actual length of atom name */
    VARARG(name,unicode_str);  /* atom name */
@END


/* Get the message queue of the current thread */
@REQ(get_msg_queue)
@REPLY
    obj_handle_t handle;       /* handle to the queue */
@END


/* Set the file descriptor associated to the current thread queue */
@REQ(set_queue_fd)
    obj_handle_t handle;       /* handle to the file descriptor */
@END


/* Set the current message queue wakeup mask */
@REQ(set_queue_mask)
    unsigned int wake_mask;    /* wakeup bits mask */
    unsigned int changed_mask; /* changed bits mask */
    int          skip_wait;    /* will we skip waiting if signaled? */
@REPLY
    unsigned int wake_bits;    /* current wake bits */
    unsigned int changed_bits; /* current changed bits */
@END


/* Get the current message queue status */
@REQ(get_queue_status)
    unsigned int clear_bits;   /* should we clear the change bits? */
@REPLY
    unsigned int wake_bits;    /* wake bits */
    unsigned int changed_bits; /* changed bits since last time */
@END


/* Retrieve the process idle event */
@REQ(get_process_idle_event)
    obj_handle_t handle;       /* process handle */
@REPLY
    obj_handle_t event;        /* handle to idle event */
@END


/* Send a message to a thread queue */
@REQ(send_message)
    thread_id_t     id;        /* thread id */
    int             type;      /* message type (see below) */
    int             flags;     /* message flags (see below) */
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message code */
    lparam_t        wparam;    /* parameters */
    lparam_t        lparam;    /* parameters */
    timeout_t       timeout;   /* timeout for reply */
    VARARG(data,message_data); /* message data for sent messages */
@END

@REQ(post_quit_message)
    int             exit_code; /* exit code to return */
@END

enum message_type
{
    MSG_ASCII,          /* Ascii message (from SendMessageA) */
    MSG_UNICODE,        /* Unicode message (from SendMessageW) */
    MSG_NOTIFY,         /* notify message (from SendNotifyMessageW), always Unicode */
    MSG_CALLBACK,       /* callback message (from SendMessageCallbackW), always Unicode */
    MSG_CALLBACK_RESULT,/* result of a callback message */
    MSG_OTHER_PROCESS,  /* sent from other process, may include vararg data, always Unicode */
    MSG_POSTED,         /* posted message (from PostMessageW), always Unicode */
    MSG_HARDWARE,       /* hardware message */
    MSG_WINEVENT,       /* winevent message */
    MSG_HOOK_LL         /* low-level hardware hook */
};
#define SEND_MSG_ABORT_IF_HUNG  0x01


/* Send a hardware message to a thread queue */
@REQ(send_hardware_message)
    user_handle_t   win;       /* window handle */
    hw_input_t      input;     /* input data */
    unsigned int    flags;     /* flags (see below) */
    VARARG(report,bytes);      /* HID report data */
@REPLY
    int             wait;      /* do we need to wait for a reply? */
    int             prev_x;    /* previous cursor position */
    int             prev_y;
    int             new_x;     /* new cursor position */
    int             new_y;
@END
#define SEND_HWMSG_INJECTED    0x01


/* Get a message from the current queue */
@REQ(get_message)
    unsigned int    flags;     /* PM_* flags */
    user_handle_t   get_win;   /* window handle to get */
    unsigned int    get_first; /* first message code to get */
    unsigned int    get_last;  /* last message code to get */
    unsigned int    hw_id;     /* id of the previous hardware message (or 0) */
    unsigned int    wake_mask; /* wakeup bits mask */
    unsigned int    changed_mask; /* changed bits mask */
@REPLY
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message code */
    lparam_t        wparam;    /* parameters */
    lparam_t        lparam;    /* parameters */
    int             type;      /* message type */
    int             x;         /* message x position */
    int             y;         /* message y position */
    unsigned int    time;      /* message time */
    unsigned int    active_hooks; /* active hooks bitmap */
    data_size_t     total;     /* total size of extra data */
    VARARG(data,message_data); /* message data for sent messages */
@END


/* Reply to a sent message */
@REQ(reply_message)
    int             remove;    /* should we remove the message? */
    lparam_t        result;    /* message result */
    VARARG(data,bytes);        /* message data for sent messages */
@END


/* Accept and remove the current hardware message */
@REQ(accept_hardware_message)
    unsigned int    hw_id;     /* id of the hardware message */
@END


/* Retrieve the reply for the last message sent */
@REQ(get_message_reply)
    int             cancel;    /* cancel message if not ready? */
@REPLY
    lparam_t        result;    /* message result */
    VARARG(data,bytes);        /* message data for sent messages */
@END


/* Set a window timer */
@REQ(set_win_timer)
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message to post */
    unsigned int    rate;      /* timer rate in ms */
    lparam_t        id;        /* timer id */
    lparam_t        lparam;    /* message lparam (callback proc) */
@REPLY
    lparam_t        id;        /* timer id */
@END


/* Kill a window timer */
@REQ(kill_win_timer)
    user_handle_t   win;       /* window handle */
    lparam_t        id;        /* timer id */
    unsigned int    msg;       /* message to post */
@END


/* check if the thread owning the window is hung */
@REQ(is_window_hung)
    user_handle_t   win;       /* window handle */
@REPLY
    int is_hung;
@END


/* Retrieve info about a serial port */
@REQ(get_serial_info)
    obj_handle_t handle;       /* handle to comm port */
    int          flags;
@REPLY
    unsigned int eventmask;
    unsigned int cookie;
    unsigned int pending_write;
@END


/* Set info about a serial port */
@REQ(set_serial_info)
    obj_handle_t handle;       /* handle to comm port */
    int          flags;        /* bitmask to set values (see below) */
@END
#define SERIALINFO_PENDING_WRITE 0x04
#define SERIALINFO_PENDING_WAIT  0x08

/* Cancel all sync io on a thread */
@REQ(cancel_sync)
    obj_handle_t handle;        /* thread handle on which to cancel io */
    client_ptr_t iosb;          /* I/O status block (NULL=all) */
@END

/* Create an async I/O */
@REQ(register_async)
    int          type;          /* type of queue to look after */
    async_data_t async;         /* async I/O parameters */
    int          count;         /* count - usually # of bytes to be read/written */
@END
#define ASYNC_TYPE_READ  0x01
#define ASYNC_TYPE_WRITE 0x02
#define ASYNC_TYPE_WAIT  0x03


/* Cancel all async op on a fd */
@REQ(cancel_async)
    obj_handle_t handle;        /* handle to comm port, socket or file */
    client_ptr_t iosb;          /* I/O status block (NULL=all) */
    int          only_thread;   /* cancel matching this thread */
@END


/* Retrieve results of an async */
@REQ(get_async_result)
    client_ptr_t   user_arg;      /* user arg used to identify async */
@REPLY
    VARARG(out_data,bytes);       /* iosb output data */
@END


/* Notify direct completion of async and close the wait handle if not blocking */
@REQ(set_async_direct_result)
    obj_handle_t   handle;        /* wait handle */
    apc_param_t    information;   /* IO_STATUS_BLOCK Information */
    unsigned int   status;        /* completion status */
    int            mark_pending;  /* set async to pending before completion? */
@REPLY
    obj_handle_t   handle;        /* wait handle, or NULL if closed */
@END


/* Perform a read on a file object */
@REQ(read)
    async_data_t   async;         /* async I/O parameters */
    file_pos_t     pos;           /* read position */
@REPLY
    obj_handle_t   wait;          /* handle to wait on for blocking read */
    unsigned int   options;       /* device open options */
    VARARG(data,bytes);           /* read data */
@END


/* Perform a write on a file object */
@REQ(write)
    async_data_t   async;         /* async I/O parameters */
    file_pos_t     pos;           /* write position */
    VARARG(data,bytes);           /* write data */
@REPLY
    obj_handle_t   wait;          /* handle to wait on for blocking write */
    unsigned int   options;       /* device open options */
    data_size_t    size;          /* size written */
@END


/* Perform an ioctl on a file */
@REQ(ioctl)
    ioctl_code_t   code;          /* ioctl code */
    async_data_t   async;         /* async I/O parameters */
    VARARG(in_data,bytes);        /* ioctl input data */
@REPLY
    obj_handle_t   wait;          /* handle to wait on for blocking ioctl */
    unsigned int   options;       /* device open options */
    VARARG(out_data,bytes);       /* ioctl output data */
@END


/* Store results of an async irp */
@REQ(set_irp_result)
    obj_handle_t handle;          /* handle to the irp */
    unsigned int status;          /* status of the irp */
    data_size_t  size;            /* result size (input or output depending on the operation) */
    VARARG(data,bytes);           /* output data of the irp */
@END


/* Create a named pipe */
@REQ(create_named_pipe)
    unsigned int   access;
    unsigned int   options;
    unsigned int   sharing;
    unsigned int   disposition;
    unsigned int   maxinstances;
    unsigned int   outsize;
    unsigned int   insize;
    timeout_t      timeout;
    unsigned int   flags;
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t   handle;       /* handle to the pipe */
    int            created;
@END

/* flags in create_named_pipe and get_named_pipe_info */
#define NAMED_PIPE_MESSAGE_STREAM_WRITE 0x0001
#define NAMED_PIPE_MESSAGE_STREAM_READ  0x0002
#define NAMED_PIPE_NONBLOCKING_MODE     0x0004
#define NAMED_PIPE_SERVER_END           0x8000

/* Set named pipe information by handle */
@REQ(set_named_pipe_info)
    obj_handle_t   handle;
    unsigned int   flags;
@END

/* Create a window */
@REQ(create_window)
    user_handle_t  parent;      /* parent window */
    user_handle_t  owner;       /* owner window */
    atom_t         atom;        /* class atom */
    mod_handle_t   instance;    /* module instance */
    int            dpi;         /* system DPI */
    int            awareness;   /* thread DPI awareness */
    unsigned int   style;       /* window style */
    unsigned int   ex_style;    /* window extended style */
    VARARG(class,unicode_str);  /* class name */
@REPLY
    user_handle_t  handle;      /* created window */
    user_handle_t  parent;      /* full handle of parent */
    user_handle_t  owner;       /* full handle of owner */
    int            extra;       /* number of extra bytes */
    client_ptr_t   class_ptr;   /* pointer to class in client address space */
    int            dpi;         /* window DPI if not per-monitor aware */
    int            awareness;   /* window DPI awareness */
@END


/* Destroy a window */
@REQ(destroy_window)
    user_handle_t  handle;      /* handle to the window */
@END


/* Retrieve the desktop window for the current thread */
@REQ(get_desktop_window)
    int            force;       /* force creation if it doesn't exist */
@REPLY
    user_handle_t  top_window;  /* handle to the desktop window */
    user_handle_t  msg_window;  /* handle to the top-level HWND_MESSAGE parent */
@END


/* Set a window owner */
@REQ(set_window_owner)
    user_handle_t  handle;      /* handle to the window */
    user_handle_t  owner;       /* new owner */
@REPLY
    user_handle_t  full_owner;  /* full handle of new owner */
    user_handle_t  prev_owner;  /* full handle of previous owner */
@END


/* Get information from a window handle */
@REQ(get_window_info)
    user_handle_t  handle;      /* handle to the window */
@REPLY
    user_handle_t  full_handle; /* full 32-bit handle */
    user_handle_t  last_active; /* last active popup */
    process_id_t   pid;         /* process owning the window */
    thread_id_t    tid;         /* thread owning the window */
    atom_t         atom;        /* class atom */
    int            is_unicode;  /* ANSI or unicode */
    int            dpi;         /* window DPI */
    int            awareness;   /* DPI awareness */
@END


/* Set some information in a window */
@REQ(set_window_info)
    unsigned short flags;         /* flags for fields to set (see below) */
    short int      is_unicode;    /* ANSI or unicode */
    user_handle_t  handle;        /* handle to the window */
    unsigned int   style;         /* window style */
    unsigned int   ex_style;      /* window extended style */
    data_size_t    extra_size;    /* size to set in extra bytes */
    mod_handle_t   instance;      /* creator instance */
    lparam_t       user_data;     /* user-specific data */
    lparam_t       extra_value;   /* value to set in extra bytes or window id */
    int            extra_offset;  /* offset to set in extra bytes */
@REPLY
    unsigned int   old_style;     /* old window style */
    unsigned int   old_ex_style;  /* old window extended style */
    mod_handle_t   old_instance;  /* old creator instance */
    lparam_t       old_user_data; /* old user-specific data */
    lparam_t       old_extra_value; /* old value in extra bytes */
    lparam_t       old_id;        /* old window id */
@END
#define SET_WIN_STYLE     0x01
#define SET_WIN_EXSTYLE   0x02
#define SET_WIN_ID        0x04
#define SET_WIN_INSTANCE  0x08
#define SET_WIN_USERDATA  0x10
#define SET_WIN_EXTRA     0x20
#define SET_WIN_UNICODE   0x40


/* Set the parent of a window */
@REQ(set_parent)
    user_handle_t  handle;      /* handle to the window */
    user_handle_t  parent;      /* handle to the parent */
@REPLY
    user_handle_t  old_parent;  /* old parent window */
    user_handle_t  full_parent; /* full handle of new parent */
    int            dpi;         /* new window DPI if not per-monitor aware */
    int            awareness;   /* new DPI awareness */
@END


/* Get a list of the window parents, up to the root of the tree */
@REQ(get_window_parents)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    int            count;         /* total count of parents */
    VARARG(parents,user_handles); /* parent handles */
@END


/* Get a list of the window children */
@REQ(get_window_children)
    obj_handle_t   desktop;       /* handle to desktop */
    user_handle_t  parent;        /* parent window */
    atom_t         atom;          /* class atom for the listed children */
    thread_id_t    tid;           /* thread owning the listed children */
    VARARG(class,unicode_str);    /* class name */
@REPLY
    int            count;         /* total count of children */
    VARARG(children,user_handles); /* children handles */
@END


/* Get a list of the window children that contain a given point */
@REQ(get_window_children_from_point)
    user_handle_t  parent;        /* parent window */
    int            x;             /* point in parent coordinates */
    int            y;
    int            dpi;           /* dpi for the point coordinates */
@REPLY
    int            count;         /* total count of children */
    VARARG(children,user_handles); /* children handles */
@END


/* Get window tree information from a window handle */
@REQ(get_window_tree)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    user_handle_t  parent;        /* parent window */
    user_handle_t  owner;         /* owner window */
    user_handle_t  next_sibling;  /* next sibling in Z-order */
    user_handle_t  prev_sibling;  /* prev sibling in Z-order */
    user_handle_t  first_sibling; /* first sibling in Z-order */
    user_handle_t  last_sibling;  /* last sibling in Z-order */
    user_handle_t  first_child;   /* first child */
    user_handle_t  last_child;    /* last child */
@END

/* Set the position and Z order of a window */
@REQ(set_window_pos)
    unsigned short swp_flags;     /* SWP_* flags */
    unsigned short paint_flags;   /* paint flags (see below) */
    user_handle_t  handle;        /* handle to the window */
    user_handle_t  previous;      /* previous window in Z order */
    rectangle_t    window;        /* window rectangle (in parent coords) */
    rectangle_t    client;        /* client rectangle (in parent coords) */
    VARARG(valid,rectangles);     /* valid rectangles from WM_NCCALCSIZE (in parent coords) */
@REPLY
    unsigned int   new_style;     /* new window style */
    unsigned int   new_ex_style;  /* new window extended style */
    user_handle_t  surface_win;   /* parent window that holds the surface */
    int            needs_update;  /* whether the surface region needs an update */
@END
#define SET_WINPOS_PAINT_SURFACE 0x01  /* window has a paintable surface */
#define SET_WINPOS_PIXEL_FORMAT  0x02  /* window has a custom pixel format */

/* Get the window and client rectangles of a window */
@REQ(get_window_rectangles)
    user_handle_t  handle;        /* handle to the window */
    int            relative;      /* coords relative to (see below) */
    int            dpi;           /* DPI to map to, or zero for per-monitor DPI */
@REPLY
    rectangle_t    window;        /* window rectangle */
    rectangle_t    client;        /* client rectangle */
@END
enum coords_relative
{
    COORDS_CLIENT,   /* relative to client area */
    COORDS_WINDOW,   /* relative to whole window area */
    COORDS_PARENT,   /* relative to parent's client area */
    COORDS_SCREEN    /* relative to screen origin */
};


/* Get the window text */
@REQ(get_window_text)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    data_size_t    length;        /* total length in WCHARs */
    VARARG(text,unicode_str);     /* window text */
@END


/* Set the window text */
@REQ(set_window_text)
    user_handle_t  handle;        /* handle to the window */
    VARARG(text,unicode_str);     /* window text */
@END


/* Get the coordinates offset between two windows */
@REQ(get_windows_offset)
    user_handle_t  from;          /* handle to the first window */
    user_handle_t  to;            /* handle to the second window */
    int            dpi;           /* DPI to map to, or zero for per-monitor DPI */
@REPLY
    int            x;             /* x coordinate offset */
    int            y;             /* y coordinate offset */
    int            mirror;        /* whether to mirror the x coordinate */
@END


/* Get the visible region of a window */
@REQ(get_visible_region)
    user_handle_t  window;        /* handle to the window */
    unsigned int   flags;         /* DCX flags */
@REPLY
    user_handle_t  top_win;       /* top window to clip against */
    rectangle_t    top_rect;      /* top window visible rect with screen coords */
    rectangle_t    win_rect;      /* window rect in screen coords */
    unsigned int   paint_flags;   /* paint flags (from SET_WINPOS_* flags) */
    data_size_t    total_size;    /* total size of the resulting region */
    VARARG(region,rectangles);    /* list of rectangles for the region (in screen coords) */
@END


/* Get the visible surface region of a window */
@REQ(get_surface_region)
    user_handle_t  window;        /* handle to the window */
@REPLY
    rectangle_t    visible_rect;  /* window visible rect in screen coords */
    data_size_t    total_size;    /* total size of the resulting region */
    VARARG(region,rectangles);    /* list of rectangles for the region (in screen coords) */
@END


/* Get the window region */
@REQ(get_window_region)
    user_handle_t  window;        /* handle to the window */
@REPLY
    data_size_t    total_size;    /* total size of the resulting region */
    VARARG(region,rectangles);    /* list of rectangles for the region (in window coords) */
@END


/* Set the window region */
@REQ(set_window_region)
    user_handle_t  window;        /* handle to the window */
    int            redraw;        /* redraw the window? */
    VARARG(region,rectangles);    /* list of rectangles for the region (in window coords) */
@END


/* Get the window update region */
@REQ(get_update_region)
    user_handle_t  window;        /* handle to the window */
    user_handle_t  from_child;    /* child to start searching from */
    unsigned int   flags;         /* update flags (see below) */
@REPLY
    user_handle_t  child;         /* child to repaint (or window itself) */
    unsigned int   flags;         /* resulting update flags (see below) */
    data_size_t    total_size;    /* total size of the resulting region */
    VARARG(region,rectangles);    /* list of rectangles for the region (in screen coords) */
@END
#define UPDATE_NONCLIENT       0x001  /* get region for repainting non-client area */
#define UPDATE_ERASE           0x002  /* get region for erasing client area */
#define UPDATE_PAINT           0x004  /* get region for painting client area */
#define UPDATE_INTERNALPAINT   0x008  /* get region if internal paint is pending */
#define UPDATE_ALLCHILDREN     0x010  /* force repaint of all children */
#define UPDATE_NOCHILDREN      0x020  /* don't try to repaint any children */
#define UPDATE_NOREGION        0x040  /* don't return a region, only the flags */
#define UPDATE_DELAYED_ERASE   0x080  /* still needs erase after BeginPaint */
#define UPDATE_CLIPCHILDREN    0x100  /* remove clipped children from the update region */


/* Update the z order of a window so that a given rectangle is fully visible */
@REQ(update_window_zorder)
    user_handle_t  window;        /* handle to the window */
    rectangle_t    rect;          /* rectangle that must be visible (in client coords) */
@END


/* Mark parts of a window as needing a redraw */
@REQ(redraw_window)
    user_handle_t  window;        /* handle to the window */
    unsigned int   flags;         /* RDW_* flags */
    VARARG(region,rectangles);    /* list of rectangles for the region (in window coords) */
@END


/* Set a window property */
@REQ(set_window_property)
    user_handle_t  window;        /* handle to the window */
    lparam_t       data;          /* data to store */
    atom_t         atom;          /* property atom (if no name specified) */
    VARARG(name,unicode_str);     /* property name */
@END


/* Remove a window property */
@REQ(remove_window_property)
    user_handle_t  window;        /* handle to the window */
    atom_t         atom;          /* property atom (if no name specified) */
    VARARG(name,unicode_str);     /* property name */
@REPLY
    lparam_t       data;          /* data stored in property */
@END


/* Get a window property */
@REQ(get_window_property)
    user_handle_t  window;        /* handle to the window */
    atom_t         atom;          /* property atom (if no name specified) */
    VARARG(name,unicode_str);     /* property name */
@REPLY
    lparam_t       data;          /* data stored in property */
@END


/* Get the list of properties of a window */
@REQ(get_window_properties)
    user_handle_t  window;        /* handle to the window */
@REPLY
    int            total;         /* total number of properties */
    VARARG(props,properties);     /* list of properties */
@END


/* Create a window station */
@REQ(create_winstation)
    unsigned int flags;           /* window station flags */
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
    obj_handle_t rootdir;         /* root directory */
    VARARG(name,unicode_str);     /* object name */
@REPLY
    obj_handle_t handle;          /* handle to the window station */
@END


/* Open a handle to a window station */
@REQ(open_winstation)
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
    obj_handle_t rootdir;         /* root directory */
    VARARG(name,unicode_str);     /* object name */
@REPLY
    obj_handle_t handle;          /* handle to the window station */
@END


/* Close a window station */
@REQ(close_winstation)
    obj_handle_t handle;          /* handle to the window station */
@END


/* Get the process current window station */
@REQ(get_process_winstation)
@REPLY
    obj_handle_t handle;          /* handle to the window station */
@END


/* Set the process current window station */
@REQ(set_process_winstation)
    obj_handle_t handle;          /* handle to the window station */
@END


/* Enumerate window stations */
@REQ(enum_winstation)
    unsigned int index;           /* current index */
@REPLY
    unsigned int next;            /* next index */
    VARARG(name,unicode_str);     /* window station name */
@END


/* Create a desktop */
@REQ(create_desktop)
    unsigned int flags;           /* desktop flags */
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
    VARARG(name,unicode_str);     /* object name */
@REPLY
    obj_handle_t handle;          /* handle to the desktop */
@END


/* Open a handle to a desktop */
@REQ(open_desktop)
    obj_handle_t winsta;          /* window station to open (null allowed) */
    unsigned int flags;           /* desktop flags */
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
    VARARG(name,unicode_str);     /* object name */
@REPLY
    obj_handle_t handle;          /* handle to the desktop */
@END


/* Open a handle to current input desktop */
@REQ(open_input_desktop)
    unsigned int flags;           /* desktop flags */
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
@REPLY
    obj_handle_t handle;          /* handle to the desktop */
@END


/* Close a desktop */
@REQ(close_desktop)
    obj_handle_t handle;          /* handle to the desktop */
@END


/* Get the thread current desktop */
@REQ(get_thread_desktop)
    thread_id_t  tid;             /* thread id */
@REPLY
    obj_handle_t handle;          /* handle to the desktop */
@END


/* Set the thread current desktop */
@REQ(set_thread_desktop)
    obj_handle_t handle;          /* handle to the desktop */
@END


/* Enumerate desktops */
@REQ(enum_desktop)
    obj_handle_t winstation;      /* handle to the window station */
    unsigned int index;           /* current index */
@REPLY
    unsigned int next;            /* next index */
    VARARG(name,unicode_str);     /* window station name */
@END


/* Get/set information about a user object (window station or desktop) */
@REQ(set_user_object_info)
    obj_handle_t handle;          /* handle to the object */
    unsigned int flags;           /* information to set/get */
    unsigned int obj_flags;       /* new object flags */
@REPLY
    int          is_desktop;      /* is object a desktop? */
    unsigned int old_obj_flags;   /* old object flags */
    VARARG(name,unicode_str);     /* object name */
@END
#define SET_USER_OBJECT_SET_FLAGS       1
#define SET_USER_OBJECT_GET_FULL_NAME   2


/* Register a hotkey */
@REQ(register_hotkey)
    user_handle_t  window;        /* handle to the window */
    int            id;            /* hotkey identifier */
    unsigned int   flags;         /* modifier keys */
    unsigned int   vkey;          /* virtual key code */
@REPLY
    int            replaced;      /* did we replace an existing hotkey? */
    unsigned int   flags;         /* flags of replaced hotkey */
    unsigned int   vkey;          /* virtual key code of replaced hotkey */
@END


/* Unregister a hotkey */
@REQ(unregister_hotkey)
    user_handle_t  window;        /* handle to the window */
    int            id;            /* hotkey identifier */
@REPLY
    unsigned int   flags;         /* flags of removed hotkey */
    unsigned int   vkey;          /* virtual key code of removed hotkey */
@END


/* Attach (or detach) thread inputs */
@REQ(attach_thread_input)
    thread_id_t    tid_from;       /* thread to be attached */
    thread_id_t    tid_to;         /* thread to which tid_from should be attached */
    int            attach;         /* is it an attach? */
@END


/* Get input data for a given thread */
@REQ(get_thread_input)
    thread_id_t    tid;           /* id of thread */
@REPLY
    user_handle_t  focus;         /* handle to the focus window */
    user_handle_t  capture;       /* handle to the capture window */
    user_handle_t  active;        /* handle to the active window */
    user_handle_t  foreground;    /* handle to the global foreground window */
    user_handle_t  menu_owner;    /* handle to the menu owner */
    user_handle_t  move_size;     /* handle to the moving/resizing window */
    user_handle_t  caret;         /* handle to the caret window */
    user_handle_t  cursor;        /* handle to the cursor */
    int            show_count;    /* cursor show count */
    rectangle_t    rect;          /* caret rectangle */
@END


/* Get the time of the last input event */
@REQ(get_last_input_time)
@REPLY
    unsigned int time;
@END


/* Retrieve queue keyboard state for current thread or global async state */
@REQ(get_key_state)
    int            async;         /* whether to query the async state */
    int            key;           /* optional key code or -1 */
@REPLY
    unsigned char  state;         /* state of specified key */
    VARARG(keystate,bytes);       /* state array for all the keys */
@END

/* Set queue keyboard state for current thread */
@REQ(set_key_state)
    int            async;         /* whether to change the async state too */
    VARARG(keystate,bytes);       /* state array for all the keys */
@END

/* Set the system foreground window */
@REQ(set_foreground_window)
    user_handle_t  handle;        /* handle to the foreground window */
@REPLY
    user_handle_t  previous;      /* handle to the previous foreground window */
    int            send_msg_old;  /* whether we have to send a msg to the old window */
    int            send_msg_new;  /* whether we have to send a msg to the new window */
@END

/* Set the current thread focus window */
@REQ(set_focus_window)
    user_handle_t  handle;        /* handle to the focus window */
@REPLY
    user_handle_t  previous;      /* handle to the previous focus window */
@END

/* Set the current thread active window */
@REQ(set_active_window)
    user_handle_t  handle;        /* handle to the active window */
@REPLY
    user_handle_t  previous;      /* handle to the previous active window */
@END

/* Set the current thread capture window */
@REQ(set_capture_window)
    user_handle_t  handle;        /* handle to the capture window */
    unsigned int   flags;         /* capture flags (see below) */
@REPLY
    user_handle_t  previous;      /* handle to the previous capture window */
    user_handle_t  full_handle;   /* full 32-bit handle of new capture window */
@END
#define CAPTURE_MENU     0x01  /* capture is for a menu */
#define CAPTURE_MOVESIZE 0x02  /* capture is for moving/resizing */


/* Set the current thread caret window */
@REQ(set_caret_window)
    user_handle_t  handle;        /* handle to the caret window */
    int            width;         /* caret width */
    int            height;        /* caret height */
@REPLY
    user_handle_t  previous;      /* handle to the previous caret window */
    rectangle_t    old_rect;      /* previous caret rectangle */
    int            old_hide;      /* previous hide count */
    int            old_state;     /* previous caret state (1=on, 0=off) */
@END


/* Set the current thread caret information */
@REQ(set_caret_info)
    unsigned int   flags;         /* caret flags (see below) */
    user_handle_t  handle;        /* handle to the caret window */
    int            x;             /* caret x position */
    int            y;             /* caret y position */
    int            hide;          /* increment for hide count (can be negative to show it) */
    int            state;         /* caret state (see below) */
@REPLY
    user_handle_t  full_handle;   /* handle to the current caret window */
    rectangle_t    old_rect;      /* previous caret rectangle */
    int            old_hide;      /* previous hide count */
    int            old_state;     /* previous caret state (1=on, 0=off) */
@END
#define SET_CARET_POS        0x01  /* set the caret position from x,y */
#define SET_CARET_HIDE       0x02  /* increment the caret hide count */
#define SET_CARET_STATE      0x04  /* set the caret on/off state */
enum caret_state
{
    CARET_STATE_OFF,        /* off */
    CARET_STATE_ON,         /* on */
    CARET_STATE_TOGGLE,     /* toggle current state */
    CARET_STATE_ON_IF_MOVED /* on if the position differs, unchanged otherwise */
};


/* Set a window hook */
@REQ(set_hook)
    int            id;             /* id of the hook */
    process_id_t   pid;            /* id of process to set the hook into */
    thread_id_t    tid;            /* id of thread to set the hook into */
    int            event_min;
    int            event_max;
    client_ptr_t   proc;           /* hook procedure */
    int            flags;
    int            unicode;        /* is it a unicode hook? */
    VARARG(module,unicode_str);    /* module name */
@REPLY
    user_handle_t  handle;         /* handle to the hook */
    unsigned int   active_hooks;   /* active hooks bitmap */
@END


/* Remove a window hook */
@REQ(remove_hook)
    user_handle_t  handle;         /* handle to the hook */
    client_ptr_t   proc;           /* hook procedure if handle is 0 */
    int            id;             /* id of the hook if handle is 0 */
@REPLY
    unsigned int   active_hooks;   /* active hooks bitmap */
@END


/* Start calling a hook chain */
@REQ(start_hook_chain)
    int            id;             /* id of the hook */
    int            event;          /* signalled event */
    user_handle_t  window;         /* handle to the event window */
    int            object_id;      /* object id for out of context winevent */
    int            child_id;       /* child id for out of context winevent */
@REPLY
    user_handle_t  handle;         /* handle to the next hook */
    process_id_t   pid;            /* process id for low-level keyboard/mouse hooks */
    thread_id_t    tid;            /* thread id for low-level keyboard/mouse hooks */
    int            unicode;        /* is it a unicode hook? */
    client_ptr_t   proc;           /* hook procedure */
    unsigned int   active_hooks;   /* active hooks bitmap */
    VARARG(module,unicode_str);    /* module name */
@END


/* Finished calling a hook chain */
@REQ(finish_hook_chain)
    int            id;             /* id of the hook */
@END


/* Get the hook information */
@REQ(get_hook_info)
    user_handle_t  handle;         /* handle to the current hook */
    int            get_next;       /* do we want info about current or next hook? */
    int            event;          /* signalled event */
    user_handle_t  window;         /* handle to the event window */
    int            object_id;      /* object id for out of context winevent */
    int            child_id;       /* child id for out of context winevent */
@REPLY
    user_handle_t  handle;         /* handle to the hook */
    int            id;             /* id of the hook */
    process_id_t   pid;            /* process id for low-level keyboard/mouse hooks */
    thread_id_t    tid;            /* thread id for low-level keyboard/mouse hooks */
    client_ptr_t   proc;           /* hook procedure */
    int            unicode;        /* is it a unicode hook? */
    VARARG(module,unicode_str);    /* module name */
@END


/* Create a window class */
@REQ(create_class)
    int            local;          /* is it a local class? */
    atom_t         atom;           /* class atom */
    unsigned int   style;          /* class style */
    mod_handle_t   instance;       /* module instance */
    int            extra;          /* number of extra class bytes */
    int            win_extra;      /* number of window extra bytes */
    client_ptr_t   client_ptr;     /* pointer to class in client address space */
    data_size_t    name_offset;    /* base class name offset for specified atom */
    VARARG(name,unicode_str);      /* class name */
@REPLY
    atom_t         atom;           /* resulting class atom */
@END


/* Destroy a window class */
@REQ(destroy_class)
    atom_t         atom;           /* class atom */
    mod_handle_t   instance;       /* module instance */
    VARARG(name,unicode_str);      /* class name */
@REPLY
    client_ptr_t   client_ptr;     /* pointer to class in client address space */
@END


/* Set some information in a class */
@REQ(set_class_info)
    user_handle_t  window;         /* handle to the window */
    unsigned int   flags;          /* flags for info to set (see below) */
    atom_t         atom;           /* class atom */
    unsigned int   style;          /* class style */
    int            win_extra;      /* number of window extra bytes */
    mod_handle_t   instance;       /* module instance */
    int            extra_offset;   /* offset to set in extra bytes */
    data_size_t    extra_size;     /* size to set in extra bytes */
    lparam_t       extra_value;    /* value to set in extra bytes */
@REPLY
    atom_t         old_atom;       /* previous class atom */
    atom_t         base_atom;      /* base class atom */
    mod_handle_t   old_instance;   /* previous module instance */
    lparam_t       old_extra_value; /* old value in extra bytes */
    unsigned int   old_style;      /* previous class style */
    int            old_extra;      /* previous number of class extra bytes */
    int            old_win_extra;  /* previous number of window extra bytes */
@END
#define SET_CLASS_ATOM      0x0001
#define SET_CLASS_STYLE     0x0002
#define SET_CLASS_WINEXTRA  0x0004
#define SET_CLASS_INSTANCE  0x0008
#define SET_CLASS_EXTRA     0x0010


/* Open the clipboard */
@REQ(open_clipboard)
    user_handle_t  window;         /* clipboard window */
@REPLY
    user_handle_t  owner;          /* current clipboard owner */
@END


/* Close the clipboard */
@REQ(close_clipboard)
@REPLY
    user_handle_t  viewer;         /* first clipboard viewer */
    user_handle_t  owner;          /* current clipboard owner */
@END


/* Empty the clipboard and grab ownership */
@REQ(empty_clipboard)
@END


/* Add a data format to the clipboard */
@REQ(set_clipboard_data)
    unsigned int   format;         /* clipboard format of the data */
    unsigned int   lcid;           /* locale id to use for synthesizing text formats */
    VARARG(data,bytes);            /* data contents */
@REPLY
    unsigned int   seqno;          /* sequence number for the set data */
@END


/* Fetch a data format from the clipboard */
@REQ(get_clipboard_data)
    unsigned int   format;         /* clipboard format of the data */
    int            render;         /* will we try to render it if missing? */
    int            cached;         /* do we already have it in the client-side cache? */
    unsigned int   seqno;          /* sequence number for the data in the cache */
@REPLY
    unsigned int   from;           /* for synthesized data, format to generate it from */
    user_handle_t  owner;          /* clipboard owner for delayed-rendered formats */
    unsigned int   seqno;          /* sequence number for the originally set data */
    data_size_t    total;          /* total data size */
    VARARG(data,bytes);            /* data contents */
@END


/* Retrieve a list of available formats */
@REQ(get_clipboard_formats)
    unsigned int   format;         /* specific format to query, return all if 0 */
@REPLY
    unsigned int   count;          /* count of available formats */
    VARARG(formats,uints);         /* array of available formats */
@END


/* Retrieve the next available format */
@REQ(enum_clipboard_formats)
    unsigned int   previous;       /* previous format, or first if 0 */
@REPLY
    unsigned int   format;         /* next format */
@END


/* Release ownership of the clipboard */
@REQ(release_clipboard)
    user_handle_t  owner;          /* clipboard owner to release */
@REPLY
    user_handle_t  viewer;         /* first clipboard viewer */
    user_handle_t  owner;          /* current clipboard owner */
@END


/* Get clipboard information */
@REQ(get_clipboard_info)
@REPLY
    user_handle_t  window;         /* clipboard window */
    user_handle_t  owner;          /* clipboard owner */
    user_handle_t  viewer;         /* clipboard viewer */
    unsigned int   seqno;          /* current sequence number */
@END


/* Set the clipboard viewer window */
@REQ(set_clipboard_viewer)
    user_handle_t  viewer;         /* clipboard viewer */
    user_handle_t  previous;       /* if non-zero, check that this was the previous viewer */
@REPLY
    user_handle_t  old_viewer;     /* previous clipboard viewer */
    user_handle_t  owner;          /* clipboard owner */
@END


/* Add a clipboard listener window */
@REQ(add_clipboard_listener)
    user_handle_t  window;         /* clipboard listener window */
@END


/* Remove a clipboard listener window */
@REQ(remove_clipboard_listener)
    user_handle_t  window;         /* clipboard listener window */
@END


/* Open a security token */
@REQ(open_token)
    obj_handle_t   handle;    /* handle to the thread or process */
    unsigned int   access;    /* access rights to the new token */
    unsigned int   attributes;/* object attributes */
    unsigned int   flags;     /* flags (see below) */
@REPLY
    obj_handle_t   token;    /* handle to the token */
@END
#define OPEN_TOKEN_THREAD   1
#define OPEN_TOKEN_AS_SELF  2


/* Set/get the global windows */
@REQ(set_global_windows)
    unsigned int   flags;               /* flags for fields to set (see below) */
    user_handle_t  shell_window;        /* handle to the new shell window */
    user_handle_t  shell_listview;      /* handle to the new shell listview window */
    user_handle_t  progman_window;      /* handle to the new program manager window */
    user_handle_t  taskman_window;      /* handle to the new task manager window */
@REPLY
    user_handle_t  old_shell_window;    /* handle to the shell window */
    user_handle_t  old_shell_listview;  /* handle to the shell listview window */
    user_handle_t  old_progman_window;  /* handle to the new program manager window */
    user_handle_t  old_taskman_window;  /* handle to the new task manager window */
@END
#define SET_GLOBAL_SHELL_WINDOWS   0x01  /* set both main shell and listview windows */
#define SET_GLOBAL_PROGMAN_WINDOW  0x02
#define SET_GLOBAL_TASKMAN_WINDOW  0x04

/* Adjust the privileges held by a token */
@REQ(adjust_token_privileges)
    obj_handle_t  handle; /* handle to the token */
    int           disable_all; /* disable all privileges? */
    int           get_modified_state; /* get modified privileges? */
    VARARG(privileges,luid_attr); /* privileges to enable/disable/remove */
@REPLY
    unsigned int  len; /* total length in bytes required to store token privileges */
    VARARG(privileges,luid_attr); /* modified privileges */
@END

/* Retrieves the set of privileges held by or available to a token */
@REQ(get_token_privileges)
    obj_handle_t  handle; /* handle to the token */
@REPLY
    unsigned int  len; /* total length in bytes required to store token privileges */
    VARARG(privileges,luid_attr); /* privileges held by or available to a token */
@END

/* Check the token has the required privileges */
@REQ(check_token_privileges)
    obj_handle_t  handle; /* handle to the token */
    int           all_required; /* are all the privileges required for the check to succeed? */
    VARARG(privileges,luid_attr); /* privileges to check */
@REPLY
    int           has_privileges; /* does the token have the required privileges? */
    VARARG(privileges,luid_attr); /* privileges held by or available to a token */
@END

@REQ(duplicate_token)
    obj_handle_t  handle;        /* handle to the token to duplicate */
    unsigned int  access;        /* access rights to the new token */
    int           primary;       /* is the new token to be a primary one? */
    int           impersonation_level; /* impersonation level of the new token */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t  new_handle; /* duplicated handle */
@END

@REQ(filter_token)
    obj_handle_t  handle;          /* handle to the token to duplicate */
    unsigned int  flags;           /* flags */
    data_size_t   privileges_size; /* size of privileges */
    VARARG(privileges,luid_attr,privileges_size); /* privileges to remove from new token */
    VARARG(disable_sids,sid);      /* array of groups to remove from new token */
@REPLY
    obj_handle_t  new_handle;      /* filtered handle */
@END

@REQ(access_check)
    obj_handle_t    handle; /* handle to the token */
    unsigned int    desired_access; /* desired access to the object */
    generic_map_t   mapping;        /* mapping to specific rights */
    VARARG(sd,security_descriptor); /* security descriptor to check */
@REPLY
    unsigned int    access_granted; /* access rights actually granted */
    unsigned int    access_status; /* was access granted? */
    unsigned int    privileges_len; /* length needed to store privileges */
    VARARG(privileges,luid_attr); /* privileges used during access check */
@END

@REQ(get_token_sid)
    obj_handle_t    handle;       /* handle to the token */
    unsigned int    which_sid;    /* which SID to retrieve from the token */
@REPLY
    data_size_t     sid_len;      /* length needed to store sid */
    VARARG(sid,sid);              /* the sid specified by which_sid from the token */
@END

@REQ(get_token_groups)
    obj_handle_t    handle;       /* handle to the token */
    unsigned int    attr_mask;    /* mask for wanted attributes */
@REPLY
    data_size_t     attr_len;     /* length needed to store attrs */
    data_size_t     sid_len;      /* length needed to store sids */
    VARARG(attrs,uints,attr_len); /* group attributes */
    VARARG(sids,sids);            /* group sids */
@END

@REQ(get_token_default_dacl)
    obj_handle_t    handle;     /* handle to the token */
@REPLY
    data_size_t     acl_len;    /* length needed to store access control list */
    VARARG(acl,acl);            /* access control list */
@END

@REQ(set_token_default_dacl)
    obj_handle_t    handle;     /* handle to the token */
    VARARG(acl,acl);            /* default dacl to set */
@END

@REQ(set_security_object)
    obj_handle_t    handle;       /* handle to the object */
    unsigned int    security_info; /* which parts of security descriptor to set */
    VARARG(sd,security_descriptor); /* security descriptor to set */
@END

@REQ(get_security_object)
    obj_handle_t    handle;       /* handle to the object */
    unsigned int    security_info; /* which parts of security descriptor to get */
@REPLY
    unsigned int    sd_len;         /* buffer size needed for sd */
    VARARG(sd,security_descriptor); /* retrieved security descriptor */
@END


struct handle_info
{
    process_id_t owner;
    obj_handle_t handle;
    unsigned int access;
    unsigned int attributes;
    unsigned int type;
};

/* Return a list of all opened handles */
@REQ(get_system_handles)
@REPLY
    unsigned int    count;        /* number of handles */
    VARARG(data,handle_infos);    /* array of handle_infos */
@END


/* Create a mailslot */
@REQ(create_mailslot)
    unsigned int   access;        /* wanted access rights */
    timeout_t      read_timeout;
    unsigned int   max_msgsize;
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t   handle;        /* handle to the mailslot */
@END


/* Set mailslot information */
@REQ(set_mailslot_info)
    obj_handle_t   handle;        /* handle to the mailslot */
    timeout_t      read_timeout;
    unsigned int   flags;
@REPLY
    timeout_t      read_timeout;
    unsigned int   max_msgsize;
@END
#define MAILSLOT_SET_READ_TIMEOUT  1


/* Create a directory object */
@REQ(create_directory)
    unsigned int   access;        /* access flags */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t   handle;        /* handle to the directory */
@END


/* Open a directory object */
@REQ(open_directory)
    unsigned int   access;        /* access flags */
    unsigned int   attributes;    /* object attributes */
    obj_handle_t   rootdir;       /* root directory */
    VARARG(directory_name,unicode_str); /* Directory name */
@REPLY
    obj_handle_t   handle;        /* handle to the directory */
@END


/* Get a directory entry by index */
@REQ(get_directory_entry)
    obj_handle_t   handle;             /* handle to the directory */
    unsigned int   index;              /* entry index */
@REPLY
    data_size_t    total_len;          /* total length needed for strings */
    data_size_t    name_len;           /* length of the entry name in bytes */
    VARARG(name,unicode_str,name_len); /* entry name */
    VARARG(type,unicode_str);          /* entry type */
@END


/* Create a symbolic link object */
@REQ(create_symlink)
    unsigned int   access;        /* access flags */
    VARARG(objattr,object_attributes); /* object attributes */
    VARARG(target_name,unicode_str);   /* target name */
@REPLY
    obj_handle_t   handle;        /* handle to the symlink */
@END


/* Open a symbolic link object */
@REQ(open_symlink)
    unsigned int   access;        /* access flags */
    unsigned int   attributes;    /* object attributes */
    obj_handle_t   rootdir;       /* root directory */
    VARARG(name,unicode_str);     /* symlink name */
@REPLY
    obj_handle_t   handle;        /* handle to the symlink */
@END


/* Query a symbolic link object */
@REQ(query_symlink)
    obj_handle_t   handle;        /* handle to the symlink */
@REPLY
    data_size_t    total;         /* total needed size for name */
    VARARG(target_name,unicode_str); /* target name */
@END


/* Query basic object information */
@REQ(get_object_info)
    obj_handle_t   handle;        /* handle to the object */
@REPLY
    unsigned int   access;        /* granted access mask */
    unsigned int   ref_count;     /* object ref count */
    unsigned int   handle_count;  /* object handle count */
@END


/* Query the full name of an object */
@REQ(get_object_name)
    obj_handle_t   handle;        /* handle to the object */
@REPLY
    data_size_t    total;         /* total needed size for name */
    VARARG(name,unicode_str);     /* object name */
@END


/* Query object type name information */
@REQ(get_object_type)
    obj_handle_t   handle;        /* handle to the object */
@REPLY
    VARARG(info,object_type_info); /* type information */
@END


/* Query type information for all types */
@REQ(get_object_types)
@REPLY
    int            count;          /* total count of object types */
    VARARG(info,object_types_info); /* type information */
@END


/* Allocate a locally-unique identifier */
@REQ(allocate_locally_unique_id)
@REPLY
    struct luid    luid;
@END


/* Create a device manager */
@REQ(create_device_manager)
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
@REPLY
    obj_handle_t handle;          /* handle to the device */
@END


/* Create a device */
@REQ(create_device)
    obj_handle_t rootdir;         /* root directory */
    client_ptr_t user_ptr;        /* opaque ptr for use by client */
    obj_handle_t manager;         /* device manager */
    VARARG(name,unicode_str);     /* object name */
@END


/* Delete a device */
@REQ(delete_device)
    obj_handle_t manager;         /* handle to the device manager */
    client_ptr_t device;          /* pointer to the device */
@END


/* Retrieve the next pending device irp request */
@REQ(get_next_device_request)
    obj_handle_t manager;         /* handle to the device manager */
    obj_handle_t prev;            /* handle to the previous irp */
    unsigned int status;          /* status of the previous irp */
    client_ptr_t user_ptr;        /* user pointer of the previous irp */
    int          pending;         /* was the previous irp marked pending? */
    unsigned int iosb_status;     /* IOSB status of the previous irp */
    data_size_t  result;          /* IOSB result of the previous irp */
    VARARG(data,bytes);           /* output data of the previous irp */
@REPLY
    irp_params_t params;          /* irp parameters */
    obj_handle_t next;            /* handle to the next irp */
    thread_id_t  client_tid;      /* tid of thread calling irp */
    client_ptr_t client_thread;   /* pointer to thread object of calling irp */
    data_size_t  in_size;         /* total needed input size */
    VARARG(next_data,bytes);      /* input data of the next irp */
@END


/* Get kernel pointer from server object */
@REQ(get_kernel_object_ptr)
    obj_handle_t manager;         /* handle to the device manager */
    obj_handle_t handle;          /* object handle */
@REPLY
    client_ptr_t user_ptr;        /* kernel object pointer */
@END


/* Associate kernel pointer with server object */
@REQ(set_kernel_object_ptr)
    obj_handle_t manager;         /* handle to the device manager */
    obj_handle_t handle;          /* object handle */
    client_ptr_t user_ptr;        /* kernel object pointer */
@END


/* Grab server object reference from kernel object pointer */
@REQ(grab_kernel_object)
    obj_handle_t manager;         /* handle to the device manager */
    client_ptr_t user_ptr;        /* kernel object pointer */
@END


/* Release server object reference from kernel object pointer */
@REQ(release_kernel_object)
    obj_handle_t manager;         /* handle to the device manager */
    client_ptr_t user_ptr;        /* kernel object pointer */
@END


/* Get handle from kernel object pointer */
@REQ(get_kernel_object_handle)
    obj_handle_t manager;         /* handle to the device manager */
    client_ptr_t user_ptr;        /* kernel object pointer */
    unsigned int access;          /* wanted access rights */
@REPLY
    obj_handle_t handle;          /* kernel object handle */
@END


/* Make the current process a system process */
@REQ(make_process_system)
    obj_handle_t handle;          /* handle to the process */
@REPLY
    obj_handle_t event;           /* event signaled when all user processes have exited */
@END


/* Get detailed fixed-size information about a token */
@REQ(get_token_info)
    obj_handle_t   handle;        /* handle to the object */
@REPLY
    struct luid    token_id;      /* locally-unique identifier of the token */
    struct luid    modified_id;   /* locally-unique identifier of the modified version of the token */
    unsigned int   session_id;    /* token session id */
    int            primary;       /* is the token primary or impersonation? */
    int            impersonation_level; /* level of impersonation */
    int            elevation;     /* elevation type */
    int            group_count;   /* the number of groups the token is a member of */
    int            privilege_count; /* the number of privileges the token has */
@END


/* Create a token which is an elevation counterpart to this token */
@REQ(create_linked_token)
    obj_handle_t   handle;        /* handle to the token */
@REPLY
    obj_handle_t   linked;        /* handle to the linked token */
@END


/* Create I/O completion port */
@REQ(create_completion)
    unsigned int access;          /* desired access to a port */
    unsigned int concurrent;      /* max number of concurrent active threads */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;          /* port handle */
@END


/* Open I/O completion port */
@REQ(open_completion)
    unsigned int access;          /* desired access to a port */
    unsigned int attributes;      /* object attributes */
    obj_handle_t rootdir;         /* root directory */
    VARARG(filename,unicode_str); /* port name */
@REPLY
    obj_handle_t handle;          /* port handle */
@END


/* add completion to completion port */
@REQ(add_completion)
    obj_handle_t  handle;         /* port handle */
    apc_param_t   ckey;           /* completion key */
    apc_param_t   cvalue;         /* completion value */
    apc_param_t   information;    /* IO_STATUS_BLOCK Information */
    unsigned int  status;         /* completion result */
@END


/* get completion from completion port queue */
@REQ(remove_completion)
    obj_handle_t handle;          /* port handle */
@REPLY
    apc_param_t   ckey;           /* completion key */
    apc_param_t   cvalue;         /* completion value */
    apc_param_t   information;    /* IO_STATUS_BLOCK Information */
    unsigned int  status;         /* completion result */
@END


/* get completion queue depth */
@REQ(query_completion)
    obj_handle_t  handle;         /* port handle */
@REPLY
    unsigned int  depth;          /* completion queue depth */
@END


/* associate object with completion port */
@REQ(set_completion_info)
    obj_handle_t  handle;         /* object handle */
    apc_param_t   ckey;           /* completion key */
    obj_handle_t  chandle;        /* port handle */
@END


/* check for associated completion and push msg */
@REQ(add_fd_completion)
    obj_handle_t   handle;        /* async' object */
    apc_param_t    cvalue;        /* completion value */
    apc_param_t    information;   /* IO_STATUS_BLOCK Information */
    unsigned int   status;        /* completion status */
    int            async;         /* completion is an async result */
@END


/* set fd completion information */
@REQ(set_fd_completion_mode)
    obj_handle_t handle;          /* handle to a file or directory */
    unsigned int flags;           /* completion notification flags */
@END


/* set fd disposition information */
@REQ(set_fd_disp_info)
    obj_handle_t handle;          /* handle to a file or directory */
    unsigned int flags;           /* what actions should be taken when deleting a file */
@END


/* set fd name information */
@REQ(set_fd_name_info)
    obj_handle_t handle;          /* handle to a file or directory */
    obj_handle_t rootdir;         /* root directory */
    data_size_t  namelen;         /* length of NT name in bytes */
    int          link;            /* link instead of renaming */
    int          replace;         /* replace an existing file? */
    VARARG(name,unicode_str,namelen); /* NT name */
    VARARG(filename,string);      /* new file name */
@END


/* set fd eof information */
@REQ(set_fd_eof_info)
    obj_handle_t handle;        /* handle to a file or directory */
    file_pos_t   eof;           /* offset of eof of file */
@END


/* Retrieve layered info for a window */
@REQ(get_window_layered_info)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    unsigned int   color_key;     /* color key */
    unsigned int   alpha;         /* alpha (0..255) */
    unsigned int   flags;         /* LWA_* flags */
@END


/* Set layered info for a window */
@REQ(set_window_layered_info)
    user_handle_t  handle;        /* handle to the window */
    unsigned int   color_key;     /* color key */
    unsigned int   alpha;         /* alpha (0..255) */
    unsigned int   flags;         /* LWA_* flags */
@END


/* Allocate an arbitrary user handle */
@REQ(alloc_user_handle)
@REPLY
    user_handle_t  handle;        /* allocated handle */
@END


/* Free an arbitrary user handle */
@REQ(free_user_handle)
    user_handle_t  handle;        /* handle to free*/
@END


/* Set/get the current cursor */
@REQ(set_cursor)
    unsigned int   flags;         /* flags for fields to set (see below) */
    user_handle_t  handle;        /* handle to the cursor */
    int            show_count;    /* show count increment/decrement */
    int            x;             /* cursor position */
    int            y;
    rectangle_t    clip;          /* cursor clip rectangle */
@REPLY
    user_handle_t  prev_handle;   /* previous handle */
    int            prev_count;    /* previous show count */
    int            prev_x;        /* previous position */
    int            prev_y;
    int            new_x;         /* new position */
    int            new_y;
    rectangle_t    new_clip;      /* new clip rectangle */
    unsigned int   last_change;   /* time of last position change */
@END
#define SET_CURSOR_HANDLE 0x01
#define SET_CURSOR_COUNT  0x02
#define SET_CURSOR_POS    0x04
#define SET_CURSOR_CLIP   0x08
#define SET_CURSOR_NOCLIP 0x10
#define SET_CURSOR_FSCLIP 0x20

/* Get the history of the 64 last cursor positions */
@REQ(get_cursor_history)
@REPLY
    VARARG(history,cursor_positions);
@END


/* Batch read rawinput message data */
@REQ(get_rawinput_buffer)
    data_size_t rawinput_size; /* size of RAWINPUT structure */
    data_size_t buffer_size;   /* size of output buffer */
@REPLY
    data_size_t next_size; /* minimum size to get next message data */
    unsigned int count;
    VARARG(data,bytes);
@END

/* Modify the list of registered rawinput devices */
@REQ(update_rawinput_devices)
    VARARG(devices,rawinput_devices);
@END

/* Create a new job object */
@REQ(create_job)
    unsigned int access;          /* wanted access rights */
    VARARG(objattr,object_attributes); /* object attributes */
@REPLY
    obj_handle_t handle;          /* handle to the job */
@END


/* Open a job object */
@REQ(open_job)
    unsigned int access;          /* wanted access rights */
    unsigned int attributes;      /* object attributes */
    obj_handle_t rootdir;         /* root directory */
    VARARG(name,unicode_str);     /* object name */
@REPLY
    obj_handle_t handle;          /* handle to the job */
@END


/* Assign a job object to a process */
@REQ(assign_job)
    obj_handle_t job;             /* handle to the job */
    obj_handle_t process;         /* handle to the process */
@END


/* Check if a process is associated with a job */
@REQ(process_in_job)
    obj_handle_t job;             /* handle to the job */
    obj_handle_t process;         /* handle to the process */
@END


/* Set limit flags on a job */
@REQ(set_job_limits)
    obj_handle_t handle;          /* handle to the job */
    unsigned int limit_flags;     /* new limit flags */
@END


/* Set new completion port for a job */
@REQ(set_job_completion_port)
    obj_handle_t job;             /* handle to the job */
    obj_handle_t port;            /* handle to the completion port */
    client_ptr_t key;             /* key to send with completion messages */
@END


/* Retrieve information about a job */
@REQ(get_job_info)
    obj_handle_t handle;          /* handle to the job */
@REPLY
    int total_processes;          /* total count of processes */
    int active_processes;         /* count of running processes */
    VARARG(pids,uints);           /* list of active pids */
@END


/* Terminate all processes associated with the job  */
@REQ(terminate_job)
    obj_handle_t handle;          /* handle to the job */
    int          status;          /* process exit code */
@END


/* Suspend a process */
@REQ(suspend_process)
    obj_handle_t handle;       /* process handle */
@END


/* Resume a process */
@REQ(resume_process)
    obj_handle_t handle;       /* process handle */
@END


/* Iterate thread list for process */
@REQ(get_next_thread)
    obj_handle_t process;      /* process handle */
    obj_handle_t last;         /* thread handle to start with */
    unsigned int access;       /* desired access for returned handle */
    unsigned int attributes;   /* returned handle attributes */
    unsigned int flags;        /* controls iteration direction */
@REPLY
    obj_handle_t handle;       /* next thread handle */
@END