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 union generic_request req
; /* current request */
62 void *req_data
; /* variable-size data for request */
63 unsigned int req_toread
; /* amount of data still to read in request */
64 void *reply_data
; /* variable-size data for reply */
65 unsigned int reply_size
; /* size of reply data */
66 unsigned int reply_towrite
; /* amount of data still to write in reply */
67 int request_fd
; /* fd for receiving client requests */
68 int reply_fd
; /* fd to send a reply to a client */
69 int wait_fd
; /* fd to use to wake a sleeping client */
70 enum run_state state
; /* running state */
71 int attached
; /* is thread attached with ptrace? */
72 int exit_code
; /* thread exit code */
73 int unix_pid
; /* Unix pid of client */
74 CONTEXT
*context
; /* current context if in an exception handler */
75 void *teb
; /* TEB address (in client address space) */
76 int priority
; /* priority level */
77 int affinity
; /* affinity mask */
78 int suspend
; /* suspend count */
81 struct thread_snapshot
83 struct thread
*thread
; /* thread ptr */
84 int count
; /* thread refcount */
85 int priority
; /* priority class */
88 extern struct thread
*current
;
90 /* thread functions */
92 extern struct thread
*create_thread( int fd
, struct process
*process
);
93 extern struct thread
*get_thread_from_id( void *id
);
94 extern struct thread
*get_thread_from_handle( handle_t handle
, unsigned int access
);
95 extern struct thread
*get_thread_from_pid( int pid
);
96 extern int suspend_thread( struct thread
*thread
, int check_limit
);
97 extern int resume_thread( struct thread
*thread
);
98 extern int add_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
99 extern void remove_queue( struct object
*obj
, struct wait_queue_entry
*entry
);
100 extern void kill_thread( struct thread
*thread
, int violent_death
);
101 extern void wake_up( struct object
*obj
, int max
);
102 extern int thread_queue_apc( struct thread
*thread
, struct object
*owner
, void *func
,
103 enum apc_type type
, int system
, int nb_args
, ... );
104 extern void thread_cancel_apc( struct thread
*thread
, struct object
*owner
, int system
);
105 extern int thread_add_inflight_fd( struct thread
*thread
, int client
, int server
);
106 extern int thread_get_inflight_fd( struct thread
*thread
, int client
);
107 extern struct thread_snapshot
*thread_snap( int *count
);
109 /* ptrace functions */
111 extern void sigchld_handler();
112 extern void wait4_thread( struct thread
*thread
, int signal
);
113 extern void stop_thread( struct thread
*thread
);
114 extern void continue_thread( struct thread
*thread
);
115 extern void detach_thread( struct thread
*thread
, int sig
);
116 extern int suspend_for_ptrace( struct thread
*thread
);
117 extern int read_thread_int( struct thread
*thread
, const int *addr
, int *data
);
118 extern int write_thread_int( struct thread
*thread
, int *addr
, int data
, unsigned int mask
);
119 extern void *get_thread_ip( struct thread
*thread
);
120 extern int get_thread_single_step( struct thread
*thread
);
122 extern unsigned int global_error
; /* global error code for when no thread is current */
124 static inline unsigned int get_error(void) { return current
? current
->error
: global_error
; }
125 static inline void set_error( unsigned int err
) { global_error
= err
; if (current
) current
->error
= err
; }
126 static inline void clear_error(void) { set_error(0); }
128 static inline void *get_thread_id( struct thread
*thread
) { return thread
; }
130 #endif /* __WINE_SERVER_THREAD_H */