/* Signal handling function for threaded programs. Generic version. Copyright (C) 2000-2017 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; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _BITS_SIGTHREAD_H #define _BITS_SIGTHREAD_H 1 #if !defined _SIGNAL_H && !defined _PTHREAD_H # error "Never include this file directly. Use <signal.h> instead" #endif /* Modify the signal mask for the calling thread. The arguments have the same meaning as for sigprocmask; in fact, this and sigprocmask might be the same function. We declare this the same on all platforms, since it doesn't use any thread-related types. */ extern int pthread_sigmask (int __how, const __sigset_t *__newmask, __sigset_t *__oldmask) __THROW; #endif /* bits/sigthread.h */