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 */
26 RUNNING, /* running normally */
27 TERMINATED /* terminated */
33 struct object obj; /* object header */
34 struct thread *next; /* system-wide thread list */
36 struct thread *proc_next; /* per-process thread list */
37 struct thread *proc_prev;
38 struct process *process;
39 struct mutex *mutex; /* list of currently owned mutexes */
40 struct debug_ctx *debug_ctx; /* debugger context if this thread is a debugger */
41 struct thread_wait *wait; /* current wait condition if sleeping */
42 struct thread_apc *apc; /* list of async procedure calls */
43 int apc_count; /* number of outstanding APCs */
44 int error; /* current error code */
45 int pass_fd; /* fd to pass to the client */
46 enum run_state state; /* running state */
47 int attached; /* is thread attached with ptrace? */
48 int exit_code; /* thread exit code */
49 int unix_pid; /* Unix pid of client */
50 void *teb; /* TEB address (in client address space) */
51 void *entry; /* thread entry point (in client address space) */
52 int priority; /* priority level */
53 int affinity; /* affinity mask */
54 int suspend; /* suspend count */
55 void *buffer; /* buffer for communication with the client */
56 enum request last_req; /* last request received (for debugging) */
59 /* callback function for building the thread reply when sleep_on is finished */
60 typedef void (*sleep_reply)( struct thread *thread, struct object *obj, int signaled );
62 extern struct thread *current;
64 /* thread functions */
66 extern struct thread *create_thread( int fd, struct process *process, int suspend );
67 extern struct thread *get_thread_from_id( void *id );
68 extern struct thread *get_thread_from_handle( int handle, unsigned int access );
69 extern struct thread *get_thread_from_pid( int pid );
70 extern int suspend_thread( struct thread *thread, int check_limit );
71 extern int resume_thread( struct thread *thread );
72 extern void suspend_all_threads( void );
73 extern void resume_all_threads( void );
74 extern int add_queue( struct object *obj, struct wait_queue_entry *entry );
75 extern void remove_queue( struct object *obj, struct wait_queue_entry *entry );
76 extern void kill_thread( struct thread *thread, int exit_code );
77 extern void wake_up( struct object *obj, int max );
78 extern int sleep_on( int count, struct object *objects[], int flags,
79 int timeout, sleep_reply func );
81 /* ptrace functions */
83 extern void sigchld_handler();
84 extern void wait4_thread( struct thread *thread, int signal );
85 extern void stop_thread( struct thread *thread );
86 extern void continue_thread( struct thread *thread );
87 extern void detach_thread( struct thread *thread );
88 extern int read_thread_int( struct thread *thread, const int *addr, int *data );
89 extern int write_thread_int( struct thread *thread, int *addr, int data, unsigned int mask );
92 static inline int get_error(void) { return current->error; }
93 static inline void set_error( int err ) { current->error = err; }
94 static inline void clear_error(void) { set_error(0); }
96 static inline void *get_thread_id( struct thread *thread ) { return thread; }
98 #endif /* __WINE_SERVER_THREAD_H */