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33574c17 ST |
1 | /* Add an explicit cancelation point. |
2 | Copyright (C) 2002-2018 Free Software Foundation, Inc. | |
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 | |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
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 | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If | |
17 | not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <pthread.h> | |
20 | ||
21 | #include <pt-internal.h> | |
22 | ||
23 | void | |
24 | pthread_testcancel (void) | |
25 | { | |
26 | struct __pthread *p = _pthread_self (); | |
27 | int cancelled; | |
28 | ||
29 | __pthread_mutex_lock (&p->cancel_lock); | |
30 | cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending; | |
31 | __pthread_mutex_unlock (&p->cancel_lock); | |
32 | ||
33 | if (cancelled) | |
34 | pthread_exit (PTHREAD_CANCELED); | |
35 | } |