libc/sysdeps/linux/common/bits/sigthread.h

   1 /* Signal handling function for threaded programs.
   2    Copyright (C) 1998, 1999, 2000, 2002, 2009 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
  17    not, see <http://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 <pthread.h> instead"
  24 #endif
  25
  26 /* Functions for handling signals. */
  27
  28 /* Modify the signal mask for the calling thread.  The arguments have
  29    the same meaning as for sigprocmask(2). */
  30 extern int pthread_sigmask (int __how,
  31                             const __sigset_t *__restrict __newmask,
  32                             __sigset_t *__restrict __oldmask)__THROW;
  33
  34 /* Send signal SIGNO to the given thread. */
  35 extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;
  36
  37 #if defined __USE_GNU && defined __UCLIBC_HAS_THREADS_NATIVE__
  38 /* Queue signal and data to a thread.  */
  39 extern int pthread_sigqueue (pthread_t __threadid, int __signo,
  40                              const union sigval __value) __THROW;
  41 #endif
  42
  43 #endif  /* bits/sigthread.h */