sysdeps/unix/sysv/linux/sysdep-cancel.h

   1 /* Single-thread optimization definitions.  Linux version.
   2    Copyright (C) 2017-2022 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