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39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* Set the disposition of SIG to SIG_IGN.
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Copyright (C) 1998-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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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
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License as published by the Free Software Foundation; either
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version 2.1 of the 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; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#define __need_NULL
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#include <stddef.h>
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#include <signal.h>
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#include <string.h> /* For the real memset prototype. */
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int
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sigignore (int sig)
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{
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struct sigaction act;
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act.sa_handler = SIG_IGN;
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if (__sigemptyset (&act.sa_mask) < 0)
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return -1;
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act.sa_flags = 0;
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return __sigaction (sig, &act, NULL);
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}
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