/* 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 ();