[BZ #1535]

	* sysdeps/unix/get_child_max.c: New file.
	* posix/get_child_max.c: New file.
	* posix/Makefile (routines): Add it.
	* include/sys/sysinfo.h (__get_child_max): Declare it.
	* sysdeps/posix/sysconf.c (__sysconf) [! CHILD_MAX]: Use it.

1 files changed, 37 insertions, 0 deletions

diff --git a/sysdeps/unix/get_child_max.c b/sysdeps/unix/get_child_max.c
new file mode 100644
index 0000000000..c59e4d8953
--- /dev/null
+++ b/sysdeps/unix/get_child_max.c
@@ -0,0 +1,37 @@
+/* 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