1 /* Copyright (C) 2002-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <errno.h> 19 #include "pthreadP.h" 20 #include <atomic.h> 21 22 23 int __pthread_setcanceltype(int type,int * oldtype)24__pthread_setcanceltype (int type, int *oldtype) 25 { 26 if (type < PTHREAD_CANCEL_DEFERRED || type > PTHREAD_CANCEL_ASYNCHRONOUS) 27 return EINVAL; 28 29 volatile struct pthread *self = THREAD_SELF; 30 31 if (oldtype != NULL) 32 *oldtype = self->canceltype; 33 self->canceltype = type; 34 if (type == PTHREAD_CANCEL_ASYNCHRONOUS) 35 __pthread_testcancel (); 36 37 return 0; 38 } 39 libc_hidden_def (__pthread_setcanceltype) 40 weak_alias (__pthread_setcanceltype, pthread_setcanceltype) 41