initial import

1 files changed, 51 insertions, 0 deletions

diff --git a/sysdeps/generic/vlimit.c b/sysdeps/generic/vlimit.c
new file mode 100644
index 0000000000..56f1199ab3
--- /dev/null
+++ b/sysdeps/generic/vlimit.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1991 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, 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 <ansidecl.h>
+#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
+DEFUN(vlimit, (resource, value),
+      enum __vlimit_resource resource AND 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);
+    }
+
+  errno = EINVAL;
+  return -1;
+}