1 /* Get POSIX {CHILD_MAX} run-time limit value.  Unix version.
2    Copyright (C) 2006-2022 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 <limits.h>
20 #include <sys/sysinfo.h>
21 #include <sys/resource.h>
22 
23 #ifndef CHILD_MAX
24 long int
__get_child_max(void)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