OpenSolaris Launch

1 files changed, 53 insertions, 0 deletions

diff --git a/usr/src/lib/libmtmalloc/tests/wideload.c b/usr/src/lib/libmtmalloc/tests/wideload.c
new file mode 100644
index 0000000000..8c33109a6b
--- /dev/null
+++ b/usr/src/lib/libmtmalloc/tests/wideload.c
@@ -0,0 +1,53 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1998 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma	ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <limits.h>
+
+/*
+ * This file tests for large (2GB and greater) allocations.
+ *
+ * cc -O -o wideload wideload.c -lmtmalloc
+ */
+
+main(int argc, char ** argv)
+{
+	char * foo;
+	char * bar;
+	size_t request = LONG_MAX;
+
+	foo = malloc(0); /* prime the pump */
+
+	foo = (char *)sbrk(0);
+	printf ("Before big malloc brk is %p request %d\n", foo, request);
+	foo = malloc(request + 100);
+	bar = (char *)sbrk(0);
+	printf ("After big malloc brk is %p\n", bar);
+}