2002-08-02 Roland McGrath <roland@redhat.com>
[kopensolaris-gnu/glibc.git] / linuxthreads / restart.h
1 /* Linuxthreads - a simple clone()-based implementation of Posix        */
2 /* threads for Linux.                                                   */
3 /* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr)              */
4 /*                                                                      */
5 /* This program is free software; you can redistribute it and/or        */
6 /* modify it under the terms of the GNU Library General Public License  */
7 /* as published by the Free Software Foundation; either version 2       */
8 /* of the License, or (at your option) any later version.               */
9 /*                                                                      */
10 /* This program is distributed in the hope that it will be useful,      */
11 /* but WITHOUT ANY WARRANTY; without even the implied warranty of       */
12 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        */
13 /* GNU Library General Public License for more details.                 */
14
15 #include <signal.h>
16 #include <kernel-features.h>
17
18 /* Primitives for controlling thread execution */
19
20 static inline void restart(pthread_descr th)
21 {
22   /* See pthread.c */
23 #if __ASSUME_REALTIME_SIGNALS
24   __pthread_restart_new(th);
25 #else
26   __pthread_restart(th);
27 #endif
28 }
29
30 static inline void suspend(pthread_descr self)
31 {
32   /* See pthread.c */
33 #if __ASSUME_REALTIME_SIGNALS
34   __pthread_wait_for_restart_signal(self);
35 #else
36   __pthread_suspend(self);
37 #endif
38 }
39
40 static inline int timedsuspend(pthread_descr self,
41                 const struct timespec *abstime)
42 {
43   /* See pthread.c */
44 #if __ASSUME_REALTIME_SIGNALS
45   return __pthread_timedsuspend_new(self, abstime);
46 #else
47   return __pthread_timedsuspend(self, abstime);
48 #endif
49 }