| /* Copyright (C) 1997-2018 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) |
| |
| /* __sigtimedwait handles cancellation. */ |
| LIBC_CANCEL_HANDLED (); |
