nptl/sysdeps/pthread/bits/sigthread.h

   1 /* Signal handling function for threaded programs.
   2    Copyright (C) 1998-2000, 2002, 2009, 2012 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 License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    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; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _BITS_SIGTHREAD_H
  21 #define _BITS_SIGTHREAD_H       1
  22
  23 #if !defined _SIGNAL_H && !defined _PTHREAD_H
  24 # error "Never include this file directly.  Use <pthread.h> instead"
  25 #endif
  26
  27 /* Functions for handling signals. */
  28
  29 /* Modify the signal mask for the calling thread.  The arguments have
  30    the same meaning as for sigprocmask(2). */
  31 extern int pthread_sigmask (int __how,
  32                             const __sigset_t *__restrict __newmask,
  33                             __sigset_t *__restrict __oldmask)__THROW;
  34
  35 /* Send signal SIGNO to the given thread. */
  36 extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;
  37
  38 #ifdef __USE_GNU
  39 /* Queue signal and data to a thread.  */
  40 extern int pthread_sigqueue (pthread_t __threadid, int __signo,
  41                              const union sigval __value) __THROW;
  42 #endif
  43
  44 #endif  /* bits/sigthread.h */