sysdeps/unix/sysv/linux/waitid.c

   1 /* Linux implementation of waitid.
   2    Copyright (C) 2004-2023 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 <stddef.h>
  20 #include <errno.h>
  21 #include <sys/wait.h>
  22 #include <sysdep-cancel.h>
  23
  24 int
  25 __waitid (idtype_t idtype, id_t id, siginfo_t *infop, int options)
  26 {
  27   /* The unused fifth argument is a `struct rusage *' that we could
  28      pass if we were using waitid to simulate wait3/wait4.  */
  29   return SYSCALL_CANCEL (waitid, idtype, id, infop, options, NULL);
  30 }
  31 weak_alias (__waitid, waitid)
  32 strong_alias (__waitid, __libc_waitid)