196 lines
4.6 KiB
Bash
196 lines
4.6 KiB
Bash
# $NetBSD: t_wait.sh,v 1.8 2016/03/31 16:22:54 christos Exp $
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#
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# Copyright (c) 2008, 2009, 2010 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# the implementation of "sh" to test
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: ${TEST_SH:="/bin/sh"}
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atf_test_case basic_wait
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basic_wait_head() {
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atf_set "descr" "Tests simple uses of wait"
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}
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basic_wait_body() {
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atf_require_prog sleep
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atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
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'(echo nothing >/dev/null) & wait'
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atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
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'(exit 3) & wait $!; S=$?; test $S -eq 3 || {
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echo "status: $S"; exit 1; }'
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atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
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'sleep 3 & sleep 2 & sleep 1 & wait'
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atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c \
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'sleep 3 & (exit 2) & sleep 1 & wait'
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}
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atf_test_case individual
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individual_head() {
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atf_set "descr" "Tests that waiting for individual processes works"
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}
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individual_body() {
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atf_require_prog sleep
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cat >individualhelper.sh <<\EOF
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sleep 3 & P1=$!
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sleep 1 & P2=$!
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wait ${P1}
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S=$?
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if [ $S -ne 0 ]; then
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echo "Waiting for first process failed: $S"
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exit 1
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fi
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wait ${P2}
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S=$?
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if [ $? -ne 0 ]; then
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echo "Waiting for second process failed"
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exit 1
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fi
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exit 0
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EOF
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output=$(${TEST_SH} individualhelper.sh 2>&1)
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[ $? -eq 0 ] || atf_fail "${output}"
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}
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atf_test_case jobs
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jobs_head() {
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atf_set "descr" "Tests that waiting for individual jobs works"
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}
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jobs_body() {
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# atf-sh confuses wait for some reason; work it around by creating
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# a helper script that executes /bin/sh directly.
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if ! ${TEST_SH} -c 'sleep 1 & wait %1' 2>/dev/null
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then
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atf_skip "No job control support in this shell"
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fi
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cat >individualhelper.sh <<\EOF
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sleep 3 &
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sleep 1 &
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wait %1
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if [ $? -ne 0 ]; then
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echo "Waiting for first job failed"
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exit 1
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fi
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wait %2
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if [ $? -ne 0 ]; then
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echo "Waiting for second job failed"
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exit 1
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fi
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exit 0
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EOF
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output=$(${TEST_SH} individualhelper.sh 2>&1)
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[ $? -eq 0 ] || atf_fail "${output}"
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cat >individualhelper.sh <<\EOF
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{ sleep 3; exit 3; } &
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{ sleep 1; exit 7; } &
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wait %1
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S=$?
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if [ $S -ne 3 ]; then
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echo "Waiting for first job failed - status: $S != 3 (expected)"
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exit 1
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fi
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wait %2
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S=$?
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if [ $S -ne 7 ]; then
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echo "Waiting for second job failed - status: $S != 7 (expected)"
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exit 1
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fi
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exit 0
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EOF
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output=$(${TEST_SH} individualhelper.sh 2>&1)
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[ $? -eq 0 ] || atf_fail "${output}"
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}
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atf_test_case kill
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kill_head() {
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atf_set "descr" "Tests that killing the shell while in wait calls trap"
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}
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kill_body() {
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atf_require_prog sleep
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atf_require_prog kill
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s=killhelper.sh
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z=killhelper.$$
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pid=
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# waiting for a specific process that is not a child
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# should return exit status of 127 according to the spec
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# This test is here before the next, to avoid that one
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# entering an infinite loop should the shell have a bug here.
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atf_check -s exit:127 -o empty -e ignore ${TEST_SH} -c 'wait 1'
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cat > "${s}" <<'EOF'
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trap "echo SIGHUP" 1
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(sleep 5; exit 3) &
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sl=$!
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wait
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S=$?
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echo $S
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LS=9999
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while [ $S -ne 0 ] && [ $S != 127 ]; do
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wait $sl; S=$?; echo $S
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test $S = $LS && { echo "wait repeats..."; exit 2; }
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LS=$S
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done
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EOF
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${TEST_SH} $s > $z &
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pid=$!
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sleep 1
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kill -HUP "${pid}"
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wait
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output="$(cat $z | tr '\n' ' ')"
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if [ "$output" != "SIGHUP 129 3 127 " ]; then
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atf_fail "${output} != 'SIGHUP 129 3 127 '"
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fi
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}
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atf_init_test_cases() {
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atf_add_test_case basic_wait
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atf_add_test_case individual
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atf_add_test_case jobs
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atf_add_test_case kill
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}
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