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 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 #ifdef __USE_GNU 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 */ 44