40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
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/* Copyright (C) 1997-2022 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
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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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<https://www.gnu.org/licenses/>. */
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#include <signal.h>
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#include <sysdep-cancel.h>
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#include <errno.h>
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int
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__sigwait (const sigset_t *set, int *sig)
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{
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siginfo_t si;
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int ret;
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do
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ret = __sigtimedwait (set, &si, 0);
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/* Applications do not expect sigwait to return with EINTR, and the
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error code is not specified by POSIX. */
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while (ret < 0 && errno == EINTR);
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if (ret < 0)
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return errno;
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*sig = si.si_signo;
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return 0;
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}
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libc_hidden_def (__sigwait)
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weak_alias (__sigwait, sigwait)
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strong_alias (__sigwait, __libc_sigwait)
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