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33574c17 | 1 | /* Add an explicit cancelation point. |
6d7e8eda | 2 | Copyright (C) 2002-2023 Free Software Foundation, Inc. |
33574c17 ST |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
ad2b41bf ST |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
33574c17 ST |
9 | |
10 | The GNU C Library 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 GNU | |
ad2b41bf | 13 | Lesser General Public License for more details. |
33574c17 | 14 | |
ad2b41bf ST |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
33574c17 ST |
18 | |
19 | #include <pthread.h> | |
20 | ||
21 | #include <pt-internal.h> | |
f6fb29d2 | 22 | #include <pthreadP.h> |
33574c17 ST |
23 | |
24 | void | |
59b7fe99 | 25 | __pthread_testcancel (void) |
33574c17 ST |
26 | { |
27 | struct __pthread *p = _pthread_self (); | |
28 | int cancelled; | |
29 | ||
30 | __pthread_mutex_lock (&p->cancel_lock); | |
31 | cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending; | |
32 | __pthread_mutex_unlock (&p->cancel_lock); | |
33 | ||
34 | if (cancelled) | |
f6fb29d2 | 35 | __pthread_exit (PTHREAD_CANCELED); |
33574c17 | 36 | } |
59b7fe99 | 37 | strong_alias (__pthread_testcancel, pthread_testcancel) |