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