1#! /usr/local/bin/ksh93 -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# $FreeBSD$
24
25#
26# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
27# Use is subject to license terms.
28#
29# ident	"@(#)threadsappend_001_pos.ksh	1.2	07/01/09 SMI"
30#
31
32. ${STF_SUITE}/include/libtest.kshlib
33
34###############################################################################
35#
36# __stc_assertion_start
37#
38# ID: threadsappend_001_pos
39#
40# DESCRIPTION:
41#
42# Ensure multiple threads performing write appends to the same ZFS
43# file succeed.
44#
45# STRATEGY:
46#	1) Verify this is a multi-processor system
47#	2) Create multiple threads with each appending to a file
48#       3) Verify that the resulting file is the expected size
49#
50# TESTABILITY: explicit
51#
52# TEST_AUTOMATION_LEVEL: automated
53#
54# CODING_STATUS: COMPLETED (2005-07-04)
55#
56# __stc_assertion_end
57#
58###############################################################################
59
60verify_runnable "both"
61
62log_assert "Ensure multiple threads performing write appends to the same" \
63	"ZFS file succeed"
64
65#
66# $FILE_SIZE is hardcoded into threadsappend.c and is the expected
67# size of the file after all the threads have appended to it
68#
69typeset -i FILE_SIZE=1310720
70
71#
72# This test should be run on a multi-processor system because otherwise the FS
73# will not be concurrently used by the threads
74#
75NCPUS=`sysctl -a | awk -F '"' '/cpu count="[0-9+]"/ {print $2; exit}'`
76if [[ $? -ne 0 || -z $NCPUS || $NCPUS -le 1 ]]; then
77	 log_unsupported \
78	 	"This test should be executed on a multi-processor system."
79fi
80
81#
82# zfs_threadsappend tries to append to $TESTFILE using threads
83# so that the resulting file is $FILE_SIZE bytes in size
84#
85log_must threadsappend ${TESTDIR}/${TESTFILE}
86
87#
88# Check the size of the resulting file
89#
90SIZE=`$LS -l ${TESTDIR}/${TESTFILE} | $AWK '{print $5}'`
91if [[ $SIZE -ne $FILE_SIZE ]]; then
92	log_fail "'The length of ${TESTDIR}/${TESTFILE}' doesnt equal 1310720."
93fi
94
95log_pass "Multiple thread appends succeeded. File size as expected"
96