1  /* Copyright (C) 2022-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <signal.h>
      19  #include <hurd.h>
      20  
      21  /* Select any of pending signals from SET or wait for any to arrive.  */
      22  int
      23  __sigwait (const sigset_t *set, int *sig)
      24  {
      25    int ret;
      26  
      27    ret = __sigtimedwait (set, NULL, NULL);
      28  
      29    if (ret < 0)
      30      return -1;
      31  
      32    if (!ret)
      33      return __hurd_fail(EAGAIN);
      34  
      35    *sig = ret;
      36    return 0;
      37  }
      38  libc_hidden_def (__sigwait)
      39  weak_alias (__sigwait, sigwait)