bits/sigthread.h

   1 /* Signal handling function for threaded programs.  Generic version.
   2    Copyright (C) 2000-2023 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 #ifndef _BITS_SIGTHREAD_H
  20 #define _BITS_SIGTHREAD_H       1
  21
  22 #if !defined _SIGNAL_H && !defined _PTHREAD_H
  23 # error "Never include this file directly.  Use <signal.h> instead"
  24 #endif
  25
  26 /* Modify the signal mask for the calling thread.  The arguments have the
  27    same meaning as for sigprocmask; in fact, this and sigprocmask might be
  28    the same function.  We declare this the same on all platforms, since it
  29    doesn't use any thread-related types.  */
  30 extern int pthread_sigmask (int __how, const __sigset_t *__newmask,
  31                             __sigset_t *__oldmask) __THROW;
  32
  33
  34 #endif  /* bits/sigthread.h */