1/* Linux implementation of waitid.
2 Copyright (C) 2004-2022 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
24int
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}
31weak_alias (__waitid, waitid)
32strong_alias (__waitid, __libc_waitid)
33

source code of glibc/sysdeps/unix/sysv/linux/waitid.c