/* Signal handling function for threaded programs.

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Copyright (C) 1998-2018 Free Software Foundation, Inc.

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This file is part of the GNU C Library.

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The GNU C Library is free software; you can redistribute it and/or

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modify it under the terms of the GNU Lesser General Public License as

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published by the Free Software Foundation; either version 2.1 of the

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License, or (at your option) any later version.

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The GNU C Library is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with the GNU C Library; see the file COPYING.LIB. If

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not, see <http://www.gnu.org/licenses/>. */

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#ifndef _BITS_SIGTHREAD_H

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#define _BITS_SIGTHREAD_H 1

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#if !defined _SIGNAL_H && !defined _PTHREAD_H

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# error "Never include this file directly. Use <signal.h> instead"

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#endif

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/* Functions for handling signals. */

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#include <bits/types/__sigset_t.h>

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/* Modify the signal mask for the calling thread. The arguments have

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the same meaning as for sigprocmask(2). */

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extern int pthread_sigmask (int __how,

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const __sigset_t *__restrict __newmask,

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__sigset_t *__restrict __oldmask)__THROW;

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/* Send signal SIGNO to the given thread. */

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extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;

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#ifdef __USE_GNU

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/* Queue signal and data to a thread. */

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extern int pthread_sigqueue (pthread_t __threadid, int __signo,

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const union sigval __value) __THROW;

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#endif

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#endif /* bits/sigthread.h */

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