2.5-18.1

1 files changed, 51 insertions, 0 deletions

diff --git a/resource/vlimit.c b/resource/vlimit.c
new file mode 100644
index 0000000000..03d89f4ad5
--- /dev/null
+++ b/resource/vlimit.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1991, 1996, 1997, 1998, 2000 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.  */
+
+/* This is generic in the sense that it will work with the BSD, SYSV,
+   or stub versions of getrlimit.  Separate versions could be written
+   for efficiency, but it's probably not worth it.  */
+
+#include <sys/vlimit.h>
+#include <sys/resource.h>
+#include <errno.h>
+
+/* Set the soft limit for RESOURCE to be VALUE.
+   Returns 0 for success, -1 for failure.  */
+int
+vlimit (resource, value)
+     enum __vlimit_resource resource;
+     int value;
+{
+  if (resource >= LIM_CPU && resource <= LIM_MAXRSS)
+    {
+      /* The rlimit codes happen to each be one less
+	 than the corresponding vlimit codes.  */
+      enum __rlimit_resource rlimit_res =
+	(enum __rlimit_resource) ((int) resource - 1);
+      struct rlimit lims;
+
+      if (__getrlimit (rlimit_res, &lims) < 0)
+	return -1;
+
+      lims.rlim_cur = value;
+      return __setrlimit (rlimit_res, &lims);
+    }
+
+  __set_errno (EINVAL);
+  return -1;
+}