support/xwaitpid.c

   1 /* waitpid with error checking.
   2    Copyright (C) 2016-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <support/xunistd.h>
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <support/check.h>
  24 #include <sys/wait.h>
  25
  26 int
  27 xwaitpid (int pid, int *status, int flags)
  28 {
  29   pid_t result = waitpid (pid, status, flags);
  30   if (result < 0)
  31     FAIL_EXIT1 ("waitpid: %m\n");
  32   return result;
  33 }