1 /* Set the cancel type during blocking calls. 2 Copyright (C) 2020-2022 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 #include <pthreadP.h> 21 #include <pt-internal.h> 22 __pthread_enable_asynccancel(void)23int __pthread_enable_asynccancel (void) 24 { 25 struct __pthread *p = _pthread_self (); 26 int oldtype; 27 28 __pthread_mutex_lock (&p->cancel_lock); 29 oldtype = p->cancel_type; 30 p->cancel_type = PTHREAD_CANCEL_ASYNCHRONOUS; 31 __pthread_mutex_unlock (&p->cancel_lock); 32 33 __pthread_testcancel (); 34 35 return oldtype; 36 } 37 __pthread_disable_asynccancel(int oldtype)38void __pthread_disable_asynccancel (int oldtype) 39 { 40 struct __pthread *p = _pthread_self (); 41 42 __pthread_mutex_lock (&p->cancel_lock); 43 p->cancel_type = oldtype; 44 __pthread_mutex_unlock (&p->cancel_lock); 45 } 46