1 /* Single-thread optimization definitions. Linux version. 2 Copyright (C) 2017-2021 Free Software Foundation, Inc. 3 4 This file is part of the GNU C Library. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 #ifndef _SYSDEP_CANCEL_H 21 #define _SYSDEP_CANCEL_H 22 23 #include <sysdep.h> 24 #include <tls.h> 25 #include <errno.h> 26 27 /* Set cancellation mode to asynchronous. */ 28 extern int __pthread_enable_asynccancel (void); 29 libc_hidden_proto (__pthread_enable_asynccancel) 30 #define LIBC_CANCEL_ASYNC() __pthread_enable_asynccancel () 31 32 /* Reset to previous cancellation mode. */ 33 extern void __pthread_disable_asynccancel (int oldtype); 34 libc_hidden_proto (__pthread_disable_asynccancel) 35 #define LIBC_CANCEL_RESET(oldtype) __pthread_disable_asynccancel (oldtype) 36 37 #endif 38