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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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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 <signal.h>
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#include <unistd.h>
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#include <sysdep-cancel.h>
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/* Suspend the process until a signal arrives.
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This always returns -1 and sets errno to EINTR. */
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int
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__libc_pause (void)
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{
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sigset_t set;
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int rc =
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SYSCALL_CANCEL (rt_sigprocmask, SIG_BLOCK, NULL, &set, _NSIG / 8);
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if (rc == 0)
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rc = SYSCALL_CANCEL (rt_sigsuspend, &set, _NSIG / 8);
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return rc;
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}
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weak_alias (__libc_pause, pause)
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