| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 <sys/syscall.h> |
| 17 | #define __ASSUME_REALTIME_SIGNALS defined(__NR_rt_sigaction) |
| 18 | |
| 19 | /* Primitives for controlling thread execution */ |
| 20 | |
| 21 | static __inline__ void restart(pthread_descr th) |
| 22 | { |
| 23 | /* See pthread.c */ |
| 24 | #if __ASSUME_REALTIME_SIGNALS |
| 25 | __pthread_restart_new(th); |
| 26 | #else |
| 27 | __pthread_restart(th); |
| 28 | #endif |
| 29 | } |
| 30 | |
| 31 | static __inline__ void suspend(pthread_descr self) |
| 32 | { |
| 33 | /* See pthread.c */ |
| 34 | #if __ASSUME_REALTIME_SIGNALS |
| 35 | __pthread_wait_for_restart_signal(self); |
| 36 | #else |
| 37 | __pthread_suspend(self); |
| 38 | #endif |
| 39 | } |
| 40 | |
| 41 | static __inline__ int timedsuspend(pthread_descr self, |
| 42 | const struct timespec *abstime) |
| 43 | { |
| 44 | /* See pthread.c */ |
| 45 | #if __ASSUME_REALTIME_SIGNALS |
| 46 | return __pthread_timedsuspend_new(self, abstime); |
| 47 | #else |
| 48 | return __pthread_timedsuspend(self, abstime); |
| 49 | #endif |
| 50 | } |