glibc/sysdeps/unix/get_child_max.c

38 lines
1.2 KiB
C

/* Get POSIX {CHILD_MAX} run-time limit value. Unix version.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <limits.h>
#include <sys/sysinfo.h>
#include <sys/resource.h>
#ifndef CHILD_MAX
long int
__get_child_max (void)
{
# ifdef RLIMIT_NPROC
struct rlimit limit;
if (__getrlimit (RLIMIT_NPROC, &limit) == 0
&& limit.rlim_cur != RLIM_INFINITY)
return limit.rlim_cur;
# endif
return -1;
}
#endif