1 files changed, 86 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/mmap17.sh b/tools/test/stress2/misc/mmap17.sh
new file mode 100755
index 000000000000..bc67bb2e5a9e
--- /dev/null
+++ b/tools/test/stress2/misc/mmap17.sh
@@ -0,0 +1,86 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2014 EMC Corp.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+
+# Test scenario by kib@
+
+. ../default.cfg
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > mmap17.c
+mycc -o mmap17 -Wall -Wextra -O2 -g mmap17.c -lpthread || exit 1
+rm -f mmap17.c /tmp/mmap17.core
+rm -f /tmp/mmap17.core
+
+{ /tmp/mmap17 > /dev/null; } 2>&1 | grep -v worked
+
+rm -f /tmp/mmap17 /tmp/mmap17.core
+exit 0
+EOF
+/* $Id: map_excl.c,v 1.2 2014/06/16 06:02:52 kostik Exp kostik $ */
+
+#include <sys/mman.h>
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifndef MAP_EXCL
+#define	MAP_EXCL	 0x00004000 /* for MAP_FIXED, fail if address is used */
+#endif
+
+int
+main(void)
+{
+	char *addr, *addr1;
+	int pagesz;
+	char cmd[128];
+
+	pagesz = getpagesize();
+	addr = mmap(NULL, pagesz, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0);
+	if (addr == (char *)MAP_FAILED)
+		err(1, "mmap 1");
+	printf("addr %p\n", addr);
+
+	addr -= pagesz;
+	addr1 = mmap(addr, 3 * pagesz, PROT_READ | PROT_WRITE,
+	    MAP_ANON | MAP_FIXED | MAP_EXCL, -1, 0);
+	if (addr1 == MAP_FAILED)
+		warn("EXCL worked");
+	else
+		fprintf(stderr, "EXCL failed\n");
+
+	addr1 = mmap(addr, 3 * pagesz, PROT_READ | PROT_WRITE,
+	    MAP_ANON | MAP_FIXED, -1, 0);
+	printf("addr1 %p\n", addr);
+
+	snprintf(cmd, sizeof(cmd), "procstat -v %d", getpid());
+	system(cmd);
+
+	return (0);
+}