1 files changed, 73 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ulimit.c b/sysdeps/unix/sysv/linux/ulimit.c
new file mode 100644
index 0000000000..2b1193085a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ulimit.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 1991, 1992, 1994, 1995 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.  */
+
+#include <ansidecl.h>
+#include <sysdep.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* Function depends on CMD:
+   1 = Return the limit on the size of a file, in units of 512 bytes.
+   2 = Set the limit on the size of a file to NEWLIMIT.  Only the
+       super-user can increase the limit.
+   3 = illegal due to shared libraries; normally is
+       (Return the maximum possible address of the data segment.)
+   4 = Return the maximum number of files that the calling process
+       can open.
+   Returns -1 on errors.  */
+long int
+__ulimit (cmd, newlimit)
+     int cmd;
+     long int newlimit;
+{
+  int status;
+
+  switch (cmd)
+    {
+    case 1:
+      {
+	/* Get limit on file size.  */
+	struct rlimit fsize;
+
+	status = getrlimit(RLIMIT_FSIZE, &fsize);
+	if (status < 0)
+	  return -1;
+
+	/* Convert from bytes to 512 byte units.  */
+	return fsize.rlim_cur / 512;
+      }
+    case 2:
+      /* Set limit on file size.  */
+      {
+	struct rlimit fsize;
+	fsize.rlim_cur = newlimit * 512;
+	fsize.rlim_max = newlimit * 512;
+	
+	return setrlimit(RLIMIT_FSIZE, &fsize);
+      }
+    case 4:
+      return sysconf(_SC_OPEN_MAX);
+
+    default:
+      errno = EINVAL;
+      return -1;
+    }
+}
+
+weak_alias (__ulimit, ulimit);