server/thread.h

   1 /*
   2  * Wine server threads
   3  *
   4  * Copyright (C) 1998 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_SERVER_THREAD_H
   8 #define __WINE_SERVER_THREAD_H
   9
  10 #ifndef __WINE_SERVER__
  11 #error This file can only be used in the Wine server
  12 #endif
  13
  14 #include "object.h"
  15
  16 /* thread structure */
  17
  18 struct process;
  19 struct thread_wait;
  20 struct thread_apc;
  21 struct mutex;
  22 struct debug_ctx;
  23 struct debug_event;
  24
  25 enum run_state { STARTING, RUNNING, SLEEPING, TERMINATED };
  26
  27 struct thread
  28 {
  29     struct object       obj;       /* object header */
  30     struct thread      *next;      /* system-wide thread list */
  31     struct thread      *prev;
  32     struct thread      *proc_next; /* per-process thread list */
  33     struct thread      *proc_prev;
  34     struct process     *process;
  35     struct mutex       *mutex;       /* list of currently owned mutexes */
  36     struct debug_ctx   *debug_ctx;   /* debugger context if this thread is a debugger */
  37     struct process     *debug_first; /* head of debugged processes list */
  38     struct debug_event *debug_event; /* pending debug event for this thread */
  39     struct thread_wait *wait;      /* current wait condition if sleeping */
  40     struct thread_apc  *apc;       /* list of async procedure calls */
  41     int                 apc_count; /* number of outstanding APCs */
  42     int                 error;     /* current error code */
  43     enum run_state      state;     /* running state */
  44     int                 exit_code; /* thread exit code */
  45     struct client      *client;    /* client for socket communications */
  46     int                 unix_pid;  /* Unix pid of client */
  47     void               *teb;       /* TEB address (in client address space) */
  48     int                 priority;  /* priority level */
  49     int                 affinity;  /* affinity mask */
  50     int                 suspend;   /* suspend count */
  51     void               *buffer;    /* buffer for communication with the client */
  52     enum request        last_req;  /* last request received (for debugging) */
  53 };
  54
  55 extern struct thread *current;
  56
  57 /* thread functions */
  58
  59 extern void create_initial_thread( int fd );
  60 extern struct thread *get_thread_from_id( void *id );
  61 extern struct thread *get_thread_from_handle( int handle, unsigned int access );
  62 extern void suspend_all_threads( void );
  63 extern void resume_all_threads( void );
  64 extern int add_queue( struct object *obj, struct wait_queue_entry *entry );
  65 extern void remove_queue( struct object *obj, struct wait_queue_entry *entry );
  66 extern void kill_thread( struct thread *thread, int exit_code );
  67 extern void thread_killed( struct thread *thread, int exit_code );
  68 extern void thread_timeout(void);
  69 extern void wake_up( struct object *obj, int max );
  70
  71 static inline int get_error(void)       { return current->error; }
  72 static inline void set_error( int err ) { current->error = err; }
  73 static inline void clear_error(void)    { set_error(0); }
  74
  75 #endif  /* __WINE_SERVER_THREAD_H */