4 * Copyright (C) 1998 Alexandre Julliard
7 #ifndef __WINE_SERVER_THREAD_H
8 #define __WINE_SERVER_THREAD_H
10 #ifndef __WINE_SERVER__
11 #error This file can only be used in the Wine server
16 /* thread structure */
29 RUNNING
, /* running normally */
30 TERMINATED
/* terminated */
35 struct thread_apc
*head
;
36 struct thread_apc
*tail
;
41 struct object obj
; /* object header */
42 struct thread
*next
; /* system-wide thread list */
44 struct thread
*proc_next
; /* per-process thread list */
45 struct thread
*proc_prev
;
46 struct process
*process
;
47 struct mutex
*mutex
; /* list of currently owned mutexes */
48 struct debug_ctx
*debug_ctx
; /* debugger context if this thread is a debugger */
49 struct debug_event
*debug_event
; /* debug event being sent to debugger */
50 struct msg_queue
*queue
; /* message queue */
51 struct startup_info
*info
; /* startup info for child process */
52 struct thread_wait
*wait
; /* current wait condition if sleeping */
53 struct apc_queue system_apc
; /* queue of system async procedure calls */
54 struct apc_queue user_apc
; /* queue of user async procedure calls */
55 unsigned int error
; /* current error code */
56 struct object
*request_fd
; /* fd for receiving client requests */
57 int pass_fd
; /* fd to pass to the client */
58 int reply_fd
; /* fd to send a reply to a client */
59 int wait_fd
; /* fd to use to wake a sleeping client */
60 enum run_state state
; /* running state */
61 int attached
; /* is thread attached with ptrace? */
62 int exit_code
; /* thread exit code */
63 int unix_pid
; /* Unix pid of client */
64 CONTEXT
*context
; /* current context if in an exception handler */
65 void *teb
; /* TEB address (in client address space) */
66 int priority
; /* priority level */
67 int affinity
; /* affinity mask */
68 int suspend
; /* suspend count */
69 void *buffer
; /* buffer for communication with the client */
70 struct server_buffer_info
*buffer_info
; /* buffer information structure */
71 enum request last_req
; /* last request received (for debugging) */
74 struct thread_snapshot
76 struct thread
*thread
; /* thread ptr */
77 int count
; /* thread refcount */
78 int priority
; /* priority class */
81 extern struct thread
*current
;
83 /* thread functions */
85 extern struct thread
*create_thread( int fd
, struct process
*process
);
86 extern struct thread
*get_thread_from_id( void *id
);
87 extern struct thread
*get_thread_from_handle( handle_t handle
, unsigned int access
);
88 extern struct thread
*get_thread_from_pid( int pid
);
89 extern int suspend_thread( struct thread
*thread
, int check_limit
);
90 extern int resume_thread( struct thread
*thread
);
91 extern void suspend_all_threads( void );
92 extern void resume_all_threads( void );
93 extern int add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
94 extern void remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
95 extern void kill_thread( struct thread
*thread
, int violent_death
);
96 extern void wake_up( struct object
*obj
, int max
);
97 extern int thread_queue_apc( struct thread
*thread
, struct object
*owner
, void *func
,
98 enum apc_type type
, int system
, int nb_args
, ... );
99 extern void thread_cancel_apc( struct thread
*thread
, struct object
*owner
, int system
);
100 extern struct thread_snapshot
*thread_snap( int *count
);
102 /* ptrace functions */
104 extern void sigchld_handler();
105 extern void wait4_thread( struct thread
*thread
, int signal
);
106 extern void stop_thread( struct thread
*thread
);
107 extern void continue_thread( struct thread
*thread
);
108 extern void detach_thread( struct thread
*thread
, int sig
);
109 extern int suspend_for_ptrace( struct thread
*thread
);
110 extern int read_thread_int( struct thread
*thread
, const int *addr
, int *data
);
111 extern int write_thread_int( struct thread
*thread
, int *addr
, int data
, unsigned int mask
);
112 extern void *get_thread_ip( struct thread
*thread
);
114 extern unsigned int global_error
; /* global error code for when no thread is current */
116 static inline unsigned int get_error(void) { return current
? current
->error
: global_error
; }
117 static inline void set_error( unsigned int err
) { global_error
= err
; if (current
) current
->error
= err
; }
118 static inline void clear_error(void) { set_error(0); }
120 static inline void *get_thread_id( struct thread
*thread
) { return thread
; }
122 #endif /* __WINE_SERVER_THREAD_H */