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 #include <libc-lockP.h> 22 23 int __pthread_setcancelstate(int state,int * oldstate)24__pthread_setcancelstate (int state, int *oldstate) 25 { 26 volatile struct pthread *self; 27 28 if (state < PTHREAD_CANCEL_ENABLE || state > PTHREAD_CANCEL_DISABLE) 29 return EINVAL; 30 31 self = THREAD_SELF; 32 33 if (oldstate != NULL) 34 *oldstate = self->cancelstate; 35 self->cancelstate = state; 36 37 return 0; 38 } 39 libc_hidden_def (__pthread_setcancelstate) 40 weak_alias (__pthread_setcancelstate, pthread_setcancelstate) 41