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