server/process.h

   1 /*
   2  * Wine server processes
   3  *
   4  * Copyright (C) 1999 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_SERVER_PROCESS_H
  22 #define __WINE_SERVER_PROCESS_H
  23
  24 #include "object.h"
  25
  26 struct atom_table;
  27 struct handle_table;
  28 struct startup_info;
  29 struct job;
  30
  31 /* process startup state */
  32 enum startup_state { STARTUP_IN_PROGRESS, STARTUP_DONE, STARTUP_ABORTED };
  33
  34 /* process structures */
  35
  36 struct process
  37 {
  38     struct object        obj;             /* object header */
  39     struct list          entry;           /* entry in system-wide process list */
  40     process_id_t         parent_id;       /* parent process id (at the time of creation) */
  41     struct list          thread_list;     /* thread list */
  42     struct debug_obj    *debug_obj;       /* debug object debugging this process */
  43     struct debug_event  *debug_event;     /* debug event being sent to debugger */
  44     struct handle_table *handles;         /* handle entries */
  45     struct fd           *msg_fd;          /* fd for sendmsg/recvmsg */
  46     process_id_t         id;              /* id of the process */
  47     process_id_t         group_id;        /* group id of the process */
  48     unsigned int         session_id;      /* session id */
  49     struct timeout_user *sigkill_timeout; /* timeout for final SIGKILL */
  50     timeout_t            sigkill_delay;   /* delay before final SIGKILL */
  51     unsigned short       machine;         /* client machine type */
  52     int                  unix_pid;        /* Unix pid for final SIGKILL */
  53     int                  exit_code;       /* process exit code */
  54     int                  running_threads; /* number of threads running in this process */
  55     timeout_t            start_time;      /* absolute time at process start */
  56     timeout_t            end_time;        /* absolute time at process end */
  57     affinity_t           affinity;        /* process affinity mask */
  58     int                  priority;        /* priority class */
  59     int                  suspend;         /* global process suspend count */
  60     unsigned int         is_system:1;     /* is it a system process? */
  61     unsigned int         debug_children:1;/* also debug all child processes */
  62     unsigned int         is_terminating:1;/* is process terminating? */
  63     data_size_t          imagelen;        /* length of image path in bytes */
  64     WCHAR               *image;           /* main exe image full path */
  65     struct job          *job;             /* job object associated with this process */
  66     struct list          job_entry;       /* list entry for job object */
  67     struct list          asyncs;          /* list of async object owned by the process */
  68     struct list          locks;           /* list of file locks owned by the process */
  69     struct list          classes;         /* window classes owned by the process */
  70     struct console      *console;         /* console input */
  71     enum startup_state   startup_state;   /* startup state */
  72     struct startup_info *startup_info;    /* startup info while init is in progress */
  73     struct event        *idle_event;      /* event for input idle */
  74     obj_handle_t         winstation;      /* main handle to process window station */
  75     obj_handle_t         desktop;         /* handle to desktop to use for new threads */
  76     struct token        *token;           /* security token associated with this process */
  77     struct list          views;           /* list of memory views */
  78     client_ptr_t         peb;             /* PEB address in client address space */
  79     client_ptr_t         ldt_copy;        /* pointer to LDT copy in client addr space */
  80     struct dir_cache    *dir_cache;       /* map of client-side directory cache */
  81     unsigned int         trace_data;      /* opaque data used by the process tracing mechanism */
  82     struct rawinput_device *rawinput_devices;     /* list of registered rawinput devices */
  83     unsigned int         rawinput_device_count;   /* number of registered rawinput devices */
  84     const struct rawinput_device *rawinput_mouse; /* rawinput mouse device, if any */
  85     const struct rawinput_device *rawinput_kbd;   /* rawinput keyboard device, if any */
  86     struct list          rawinput_entry;  /* entry in the rawinput process list */
  87     struct list          kernel_object;   /* list of kernel object pointers */
  88     pe_image_info_t      image_info;      /* main exe image info */
  89 };
  90
  91 /* process functions */
  92
  93 extern unsigned int alloc_ptid( void *ptr );
  94 extern void free_ptid( unsigned int id );
  95 extern void *get_ptid_entry( unsigned int id );
  96 extern struct process *create_process( int fd, struct process *parent, unsigned int flags, const startup_info_t *info,
  97                                        const struct security_descriptor *sd, const obj_handle_t *handles,
  98                                        unsigned int handle_count, struct token *token );
  99 extern data_size_t get_process_startup_info_size( struct process *process );
 100 extern struct thread *get_process_first_thread( struct process *process );
 101 extern struct process *get_process_from_id( process_id_t id );
 102 extern struct process *get_process_from_handle( obj_handle_t handle, unsigned int access );
 103 extern struct debug_obj *get_debug_obj( struct process *process, obj_handle_t handle, unsigned int access );
 104 extern int process_set_debugger( struct process *process, struct thread *thread );
 105 extern void debugger_detach( struct process *process, struct debug_obj *debug_obj );
 106 extern int set_process_debug_flag( struct process *process, int flag );
 107
 108 extern void add_process_thread( struct process *process,
 109                                 struct thread *thread );
 110 extern void remove_process_thread( struct process *process,
 111                                    struct thread *thread );
 112 extern void suspend_process( struct process *process );
 113 extern void resume_process( struct process *process );
 114 extern void kill_process( struct process *process, int violent_death );
 115 extern void kill_console_processes( struct thread *renderer, int exit_code );
 116 extern void detach_debugged_processes( struct debug_obj *debug_obj, int exit_code );
 117 extern void enum_processes( int (*cb)(struct process*, void*), void *user);
 118
 119 /* console functions */
 120 extern struct thread *console_get_renderer( struct console *console );
 121
 122 /* process tracing mechanism to use */
 123 #ifdef __APPLE__
 124 #define USE_MACH
 125 #elif defined(__sun)
 126 #define USE_PROCFS
 127 #else
 128 #define USE_PTRACE
 129 #endif
 130
 131 extern void init_tracing_mechanism(void);
 132 extern void init_process_tracing( struct process *process );
 133 extern void finish_process_tracing( struct process *process );
 134 extern int read_process_memory( struct process *process, client_ptr_t ptr, data_size_t size, char *dest );
 135 extern int write_process_memory( struct process *process, client_ptr_t ptr, data_size_t size, const char *src );
 136
 137 static inline process_id_t get_process_id( struct process *process ) { return process->id; }
 138
 139 static inline int is_process_init_done( struct process *process )
 140 {
 141     return process->startup_state == STARTUP_DONE;
 142 }
 143
 144 static const unsigned int default_session_id = 1;
 145
 146 #endif  /* __WINE_SERVER_PROCESS_H */