1 /* Set the cancel state for the calling thread. 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 23 int __pthread_setcancelstate(int state,int * oldstate)24__pthread_setcancelstate (int state, int *oldstate) 25 { 26 struct __pthread *p = _pthread_self (); 27 28 switch (state) 29 { 30 default: 31 return EINVAL; 32 case PTHREAD_CANCEL_ENABLE: 33 case PTHREAD_CANCEL_DISABLE: 34 break; 35 } 36 37 __pthread_mutex_lock (&p->cancel_lock); 38 if (oldstate != NULL) 39 *oldstate = p->cancel_state; 40 p->cancel_state = state; 41 __pthread_mutex_unlock (&p->cancel_lock); 42 43 return 0; 44 } 45 46 weak_alias (__pthread_setcancelstate, pthread_setcancelstate); 47