1/* Get POSIX {CHILD_MAX} run-time limit value. Unix version.
2 Copyright (C) 2006-2017 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 <http://www.gnu.org/licenses/>. */
18
19#include <limits.h>
20#include <sys/sysinfo.h>
21#include <sys/resource.h>
22
23#ifndef CHILD_MAX
24long int
25__get_child_max (void)
26{
27# ifdef RLIMIT_NPROC
28 struct rlimit limit;
29 if (__getrlimit (RLIMIT_NPROC, &limit) == 0
30 && limit.rlim_cur != RLIM_INFINITY)
31 return limit.rlim_cur;
32# endif
33
34 return -1;
35}
36#endif
37