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- /* Copyright (C) 1997-2019 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/>. */
- #include <signal.h>
- #include <sysdep-cancel.h>
- #include <errno.h>
- int
- __sigwait (const sigset_t *set, int *sig)
- {
- siginfo_t si;
- int ret;
- do
- ret = __sigtimedwait (set, &si, 0);
- /* Applications do not expect sigwait to return with EINTR, and the
- error code is not specified by POSIX. */
- while (ret < 0 && errno == EINTR);
- if (ret < 0)
- return errno;
- *sig = si.si_signo;
- return 0;
- }
- libc_hidden_def (__sigwait)
- weak_alias (__sigwait, sigwait)
- strong_alias (__sigwait, __libc_sigwait)
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