/* Signal handling function for threaded programs.   Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public License as   published by the Free Software Foundation; either version 2.1 of the   License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; see the file COPYING.LIB.  If not,   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,   Boston, MA 02111-1307, USA.  */#ifndef _BITS_SIGTHREAD_H#define _BITS_SIGTHREAD_H	1#if !defined _SIGNAL_H && !defined _PTHREAD_H# error "Never include this file directly.  Use <pthread.h> instead"#endif/* Functions for handling signals. *//* Modify the signal mask for the calling thread.  The arguments have   the same meaning as for sigprocmask(2). */extern int pthread_sigmask (int __how,			    __const __sigset_t *__restrict __newmask,			    __sigset_t *__restrict __oldmask)__THROW;/* Send signal SIGNO to the given thread. */extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;#endif	/* bits/sigthread.h */