1 /* Add an explicit cancelation point.
2    Copyright (C) 2002-2022 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 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.
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    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library;  if not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #include <pthread.h>
20 
21 #include <pt-internal.h>
22 #include <pthreadP.h>
23 
24 void
__pthread_testcancel(void)25 __pthread_testcancel (void)
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)
35     __pthread_exit (PTHREAD_CANCELED);
36 }
37 strong_alias (__pthread_testcancel, pthread_testcancel)
38