1f38cb554SJohn Wren Kennedy#!/bin/ksh -p
2f38cb554SJohn Wren Kennedy#
3f38cb554SJohn Wren Kennedy# CDDL HEADER START
4f38cb554SJohn Wren Kennedy#
5f38cb554SJohn Wren Kennedy# The contents of this file are subject to the terms of the
6f38cb554SJohn Wren Kennedy# Common Development and Distribution License (the "License").
7f38cb554SJohn Wren Kennedy# You may not use this file except in compliance with the License.
8f38cb554SJohn Wren Kennedy#
9f38cb554SJohn Wren Kennedy# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10f38cb554SJohn Wren Kennedy# or http://www.opensolaris.org/os/licensing.
11f38cb554SJohn Wren Kennedy# See the License for the specific language governing permissions
12f38cb554SJohn Wren Kennedy# and limitations under the License.
13f38cb554SJohn Wren Kennedy#
14f38cb554SJohn Wren Kennedy# When distributing Covered Code, include this CDDL HEADER in each
15f38cb554SJohn Wren Kennedy# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16f38cb554SJohn Wren Kennedy# If applicable, add the following below this CDDL HEADER, with the
17f38cb554SJohn Wren Kennedy# fields enclosed by brackets "[]" replaced with your own identifying
18f38cb554SJohn Wren Kennedy# information: Portions Copyright [yyyy] [name of copyright owner]
19f38cb554SJohn Wren Kennedy#
20f38cb554SJohn Wren Kennedy# CDDL HEADER END
21f38cb554SJohn Wren Kennedy#
22f38cb554SJohn Wren Kennedy
23f38cb554SJohn Wren Kennedy#
24f38cb554SJohn Wren Kennedy# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
25f38cb554SJohn Wren Kennedy# Use is subject to license terms.
26f38cb554SJohn Wren Kennedy#
27f38cb554SJohn Wren Kennedy
28f38cb554SJohn Wren Kennedy#
29*1d32ba66SJohn Wren Kennedy# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
30f38cb554SJohn Wren Kennedy#
31f38cb554SJohn Wren Kennedy
32f38cb554SJohn Wren Kennedy. $STF_SUITE/include/libtest.shlib
33f38cb554SJohn Wren Kennedy
34f38cb554SJohn Wren Kennedy#
35f38cb554SJohn Wren Kennedy# DESCRIPTION:
36f38cb554SJohn Wren Kennedy# Writing to a file and mmaping that file at the
37f38cb554SJohn Wren Kennedy# same time does not result in a deadlock.
38f38cb554SJohn Wren Kennedy#
39f38cb554SJohn Wren Kennedy# STRATEGY:
40f38cb554SJohn Wren Kennedy# 1. Make sure this test executes on multi-processes system.
41f38cb554SJohn Wren Kennedy# 2. Call mmapwrite binary.
42f38cb554SJohn Wren Kennedy# 3. wait 30s and make sure the test file existed.
43f38cb554SJohn Wren Kennedy#
44f38cb554SJohn Wren Kennedy
45f38cb554SJohn Wren Kennedyverify_runnable "both"
46f38cb554SJohn Wren Kennedy
47f38cb554SJohn Wren Kennedylog_assert "write()s to a file and mmap() that file at the same time does not "\
48f38cb554SJohn Wren Kennedy	"result in a deadlock."
49f38cb554SJohn Wren Kennedy
50f38cb554SJohn Wren Kennedy# Detect and make sure this test must be executed on a multi-process system
51f38cb554SJohn Wren Kennedyis_mp || log_fail "This test requires a multi-processor system."
52f38cb554SJohn Wren Kennedy
53*1d32ba66SJohn Wren Kennedylog_must chmod 777 $TESTDIR
54*1d32ba66SJohn Wren Kennedymmapwrite $TESTDIR/test-write-file &
55f38cb554SJohn Wren KennedyPID_MMAPWRITE=$!
56*1d32ba66SJohn Wren Kennedylog_note "mmapwrite $TESTDIR/test-write-file pid: $PID_MMAPWRITE"
57*1d32ba66SJohn Wren Kennedylog_must sleep 30
58f38cb554SJohn Wren Kennedy
59*1d32ba66SJohn Wren Kennedylog_must kill -9 $PID_MMAPWRITE
60*1d32ba66SJohn Wren Kennedylog_must ls -l $TESTDIR/test-write-file
61f38cb554SJohn Wren Kennedy
62f38cb554SJohn Wren Kennedylog_pass "write(2) a mmap(2)'ing file succeeded."
63