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_dll
  37 {
  38     struct list          entry;           /* entry in per-process dll list */
  39     struct mapping      *mapping;         /* dll file */
  40     mod_handle_t         base;            /* dll base address (in process addr space) */
  41     client_ptr_t         name;            /* ptr to ptr to name (in process addr space) */
  42     data_size_t          size;            /* dll size */
  43     int                  dbg_offset;      /* debug info offset */
  44     int                  dbg_size;        /* debug info size */
  45     data_size_t          namelen;         /* length of dll file name */
  46     WCHAR               *filename;        /* dll file name */
  47 };
  48
  49 struct rawinput_device_entry
  50 {
  51     struct list            entry;
  52     struct rawinput_device device;
  53 };
  54
  55 struct process
  56 {
  57     struct object        obj;             /* object header */
  58     struct list          entry;           /* entry in system-wide process list */
  59     process_id_t         parent_id;       /* parent process id (at the time of creation) */
  60     struct list          thread_list;     /* thread list */
  61     struct thread       *debugger;        /* thread debugging this process */
  62     struct handle_table *handles;         /* handle entries */
  63     struct fd           *msg_fd;          /* fd for sendmsg/recvmsg */
  64     process_id_t         id;              /* id of the process */
  65     process_id_t         group_id;        /* group id of the process */
  66     struct timeout_user *sigkill_timeout; /* timeout for final SIGKILL */
  67     enum cpu_type        cpu;             /* client CPU type */
  68     int                  unix_pid;        /* Unix pid for final SIGKILL */
  69     int                  exit_code;       /* process exit code */
  70     int                  running_threads; /* number of threads running in this process */
  71     timeout_t            start_time;      /* absolute time at process start */
  72     timeout_t            end_time;        /* absolute time at process end */
  73     affinity_t           affinity;        /* process affinity mask */
  74     int                  priority;        /* priority class */
  75     int                  suspend;         /* global process suspend count */
  76     unsigned int         is_system:1;     /* is it a system process? */
  77     unsigned int         debug_children:1;/* also debug all child processes */
  78     unsigned int         is_terminating:1;/* is process terminating? */
  79     struct job          *job;             /* job object ascoicated with this process */
  80     struct list          job_entry;       /* list entry for job object */
  81     struct list          locks;           /* list of file locks owned by the process */
  82     struct list          classes;         /* window classes owned by the process */
  83     struct console_input*console;         /* console input */
  84     enum startup_state   startup_state;   /* startup state */
  85     struct startup_info *startup_info;    /* startup info while init is in progress */
  86     struct event        *idle_event;      /* event for input idle */
  87     obj_handle_t         winstation;      /* main handle to process window station */
  88     obj_handle_t         desktop;         /* handle to desktop to use for new threads */
  89     struct token        *token;           /* security token associated with this process */
  90     struct list          dlls;            /* list of loaded dlls */
  91     client_ptr_t         peb;             /* PEB address in client address space */
  92     client_ptr_t         ldt_copy;        /* pointer to LDT copy in client addr space */
  93     struct dir_cache    *dir_cache;       /* map of client-side directory cache */
  94     unsigned int         trace_data;      /* opaque data used by the process tracing mechanism */
  95     struct list          rawinput_devices;/* list of registered rawinput devices */
  96     const struct rawinput_device *rawinput_mouse; /* rawinput mouse device, if any */
  97     const struct rawinput_device *rawinput_kbd;   /* rawinput keyboard device, if any */
  98 };
  99
 100 struct process_snapshot
 101 {
 102     struct process *process;  /* process ptr */
 103     int             count;    /* process refcount */
 104     int             threads;  /* number of threads */
 105     int             priority; /* priority class */
 106     int             handles;  /* number of handles */
 107     int             unix_pid; /* Unix pid */
 108 };
 109
 110 #define CPU_FLAG(cpu) (1 << (cpu))
 111 #define CPU_64BIT_MASK (CPU_FLAG(CPU_x86_64) | CPU_FLAG(CPU_ARM64))
 112
 113 /* process functions */
 114
 115 extern unsigned int alloc_ptid( void *ptr );
 116 extern void free_ptid( unsigned int id );
 117 extern void *get_ptid_entry( unsigned int id );
 118 extern struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all );
 119 extern data_size_t init_process( struct thread *thread );
 120 extern struct thread *get_process_first_thread( struct process *process );
 121 extern struct process *get_process_from_id( process_id_t id );
 122 extern struct process *get_process_from_handle( obj_handle_t handle, unsigned int access );
 123 extern int process_set_debugger( struct process *process, struct thread *thread );
 124 extern int debugger_detach( struct process* process, struct thread* debugger );
 125 extern int set_process_debug_flag( struct process *process, int flag );
 126
 127 extern void add_process_thread( struct process *process,
 128                                 struct thread *thread );
 129 extern void remove_process_thread( struct process *process,
 130                                    struct thread *thread );
 131 extern void suspend_process( struct process *process );
 132 extern void resume_process( struct process *process );
 133 extern void kill_process( struct process *process, int violent_death );
 134 extern void kill_console_processes( struct thread *renderer, int exit_code );
 135 extern void kill_debugged_processes( struct thread *debugger, int exit_code );
 136 extern void break_process( struct process *process );
 137 extern void detach_debugged_processes( struct thread *debugger );
 138 extern struct process_snapshot *process_snap( int *count );
 139 extern void enum_processes( int (*cb)(struct process*, void*), void *user);
 140
 141 /* console functions */
 142 extern void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin);
 143 extern int free_console( struct process *process );
 144 extern struct thread *console_get_renderer( struct console_input *console );
 145
 146 /* process tracing mechanism to use */
 147 #ifdef __APPLE__
 148 #define USE_MACH
 149 #elif defined(__sun)
 150 #define USE_PROCFS
 151 #else
 152 #define USE_PTRACE
 153 #endif
 154
 155 extern void init_tracing_mechanism(void);
 156 extern void init_process_tracing( struct process *process );
 157 extern void finish_process_tracing( struct process *process );
 158 extern int read_process_memory( struct process *process, client_ptr_t ptr, data_size_t size, char *dest );
 159 extern int write_process_memory( struct process *process, client_ptr_t ptr, data_size_t size, const char *src );
 160
 161 static inline process_id_t get_process_id( struct process *process ) { return process->id; }
 162
 163 static inline int is_process_init_done( struct process *process )
 164 {
 165     return process->startup_state == STARTUP_DONE;
 166 }
 167
 168 static inline struct process_dll *get_process_exe_module( struct process *process )
 169 {
 170     struct list *ptr = list_head( &process->dlls );
 171     return ptr ? LIST_ENTRY( ptr, struct process_dll, entry ) : NULL;
 172 }
 173
 174 #endif  /* __WINE_SERVER_PROCESS_H */