4 * Copyright (C) 1998 Alexandre Julliard
7 #ifndef __WINE_SERVER_THREAD_H
8 #define __WINE_SERVER_THREAD_H
12 /* thread structure */
25 RUNNING
, /* running normally */
26 TERMINATED
/* terminated */
31 struct thread_apc
*head
;
32 struct thread_apc
*tail
;
35 /* descriptor for fds currently in flight from client to server */
38 int client
; /* fd on the client side (or -1 if entry is free) */
39 int server
; /* fd on the server side */
41 #define MAX_INFLIGHT_FDS 16 /* max number of fds in flight per thread */
45 struct object obj
; /* object header */
46 struct thread
*next
; /* system-wide thread list */
48 struct thread
*proc_next
; /* per-process thread list */
49 struct thread
*proc_prev
;
50 struct process
*process
;
51 struct mutex
*mutex
; /* list of currently owned mutexes */
52 struct debug_ctx
*debug_ctx
; /* debugger context if this thread is a debugger */
53 struct debug_event
*debug_event
; /* debug event being sent to debugger */
54 struct msg_queue
*queue
; /* message queue */
55 struct startup_info
*info
; /* startup info for child process */
56 struct thread_wait
*wait
; /* current wait condition if sleeping */
57 struct apc_queue system_apc
; /* queue of system async procedure calls */
58 struct apc_queue user_apc
; /* queue of user async procedure calls */
59 struct inflight_fd inflight
[MAX_INFLIGHT_FDS
]; /* fds currently in flight */
60 unsigned int error
; /* current error code */
61 struct object
*request_fd
; /* fd for receiving client requests */
62 int reply_fd
; /* fd to send a reply to a client */
63 int wait_fd
; /* fd to use to wake a sleeping client */
64 enum run_state state
; /* running state */
65 int attached
; /* is thread attached with ptrace? */
66 int exit_code
; /* thread exit code */
67 int unix_pid
; /* Unix pid of client */
68 CONTEXT
*context
; /* current context if in an exception handler */
69 void *teb
; /* TEB address (in client address space) */
70 int priority
; /* priority level */
71 int affinity
; /* affinity mask */
72 int suspend
; /* suspend count */
73 void *buffer
; /* buffer for communication with the client */
76 struct thread_snapshot
78 struct thread
*thread
; /* thread ptr */
79 int count
; /* thread refcount */
80 int priority
; /* priority class */
83 extern struct thread
*current
;
85 /* thread functions */
87 extern struct thread
*create_thread( int fd
, struct process
*process
);
88 extern struct thread
*get_thread_from_id( void *id
);
89 extern struct thread
*get_thread_from_handle( handle_t handle
, unsigned int access
);
90 extern struct thread
*get_thread_from_pid( int pid
);
91 extern int suspend_thread( struct thread
*thread
, int check_limit
);
92 extern int resume_thread( struct thread
*thread
);
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 int thread_add_inflight_fd( struct thread
*thread
, int client
, int server
);
101 extern int thread_get_inflight_fd( struct thread
*thread
, int client
);
102 extern struct thread_snapshot
*thread_snap( int *count
);
104 /* ptrace functions */
106 extern void sigchld_handler();
107 extern void wait4_thread( struct thread
*thread
, int signal
);
108 extern void stop_thread( struct thread
*thread
);
109 extern void continue_thread( struct thread
*thread
);
110 extern void detach_thread( struct thread
*thread
, int sig
);
111 extern int suspend_for_ptrace( struct thread
*thread
);
112 extern int read_thread_int( struct thread
*thread
, const int *addr
, int *data
);
113 extern int write_thread_int( struct thread
*thread
, int *addr
, int data
, unsigned int mask
);
114 extern void *get_thread_ip( struct thread
*thread
);
115 extern int get_thread_single_step( struct thread
*thread
);
117 extern unsigned int global_error
; /* global error code for when no thread is current */
119 static inline unsigned int get_error(void) { return current
? current
->error
: global_error
; }
120 static inline void set_error( unsigned int err
) { global_error
= err
; if (current
) current
->error
= err
; }
121 static inline void clear_error(void) { set_error(0); }
123 static inline void *get_thread_id( struct thread
*thread
) { return thread
; }
125 #endif /* __WINE_SERVER_THREAD_H */