include/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 "server/object.h"
  15
  16 /* thread structure */
  17
  18 struct process;
  19 struct thread_wait;
  20 struct thread_apc;
  21 struct mutex;
  22
  23 enum run_state { STARTING, RUNNING, TERMINATED };
  24
  25 struct thread
  26 {
  27     struct object       obj;       /* object header */
  28     struct thread      *next;      /* system-wide thread list */
  29     struct thread      *prev;
  30     struct thread      *proc_next; /* per-process thread list */
  31     struct thread      *proc_prev;
  32     struct process     *process;
  33     struct mutex       *mutex;     /* list of currently owned mutexes */
  34     struct thread_wait *wait;      /* current wait condition if sleeping */
  35     struct thread_apc  *apc;       /* list of async procedure calls */
  36     int                 apc_count; /* number of outstanding APCs */
  37     int                 error;     /* current error code */
  38     enum run_state      state;     /* running state */
  39     int                 exit_code; /* thread exit code */
  40     int                 client_fd; /* client fd for socket communications */
  41     int                 unix_pid;  /* Unix pid of client */
  42     int                 priority;  /* priority level */
  43     int                 affinity;  /* affinity mask */
  44     int                 suspend;   /* suspend count */
  45     enum request        last_req;  /* last request received (for debugging) */
  46 };
  47
  48 extern struct thread *current;
  49
  50 /* thread functions */
  51
  52 extern void create_initial_thread( int fd );
  53 extern struct thread *create_thread( int fd, void *pid, int suspend, int inherit, int *handle );
  54 extern struct thread *get_thread_from_id( void *id );
  55 extern struct thread *get_thread_from_handle( int handle, unsigned int access );
  56 extern void get_thread_info( struct thread *thread,
  57                              struct get_thread_info_reply *reply );
  58 extern void set_thread_info( struct thread *thread,
  59                              struct set_thread_info_request *req );
  60 extern int suspend_thread( struct thread *thread );
  61 extern int resume_thread( struct thread *thread );
  62 extern void suspend_all_threads( void );
  63 extern void resume_all_threads( void );
  64 extern int send_reply( struct thread *thread, int pass_fd,
  65                        int n, ... /* arg_1, len_1, ..., arg_n, len_n */ );
  66 extern int add_queue( struct object *obj, struct wait_queue_entry *entry );
  67 extern void remove_queue( struct object *obj, struct wait_queue_entry *entry );
  68 extern int thread_queue_apc( struct thread *thread, void *func, void *param );
  69 extern void kill_thread( struct thread *thread, int exit_code );
  70 extern void thread_killed( struct thread *thread, int exit_code );
  71 extern void thread_timeout(void);
  72 extern void sleep_on( struct thread *thread, int count, int *handles,
  73                       int flags, int timeout );
  74 extern void wake_up( struct object *obj, int max );
  75
  76 #define GET_ERROR()     (current->error)
  77 #define SET_ERROR(err)  (current->error = (err))
  78 #define CLEAR_ERROR()   (current->error = 0)
  79
  80 #endif  /* __WINE_SERVER_THREAD_H */