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 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 */
45