1#!/bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33
34#
35# DESCRIPTION:
36# Writing to a file and mmaping that file at the
37# same time does not result in a deadlock.
38#
39# STRATEGY:
40# 1. Make sure this test executes on multi-processes system.
41# 2. Call mmapwrite binary.
42# 3. wait 30s and make sure the test file existed.
43#
44
45verify_runnable "both"
46
47log_assert "write()s to a file and mmap() that file at the same time does not "\
48	"result in a deadlock."
49
50# Detect and make sure this test must be executed on a multi-process system
51is_mp || log_fail "This test requires a multi-processor system."
52
53log_must chmod 777 $TESTDIR
54mmapwrite $TESTDIR/test-write-file &
55PID_MMAPWRITE=$!
56log_note "mmapwrite $TESTDIR/test-write-file pid: $PID_MMAPWRITE"
57log_must sleep 30
58
59log_must kill -9 $PID_MMAPWRITE
60log_must ls -l $TESTDIR/test-write-file
61
62log_pass "write(2) a mmap(2)'ing file succeeded."
63