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114 lines
3 KiB
Bash
Executable file
114 lines
3 KiB
Bash
Executable file
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org>
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Another killpg(2) test scenario. No problems seen.
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. ../default.cfg
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export prog=$(basename "$0" .sh)
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set -u
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cat > /tmp/$prog.c <<EOF
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#include <sys/wait.h>
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#include <err.h>
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#include <time.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define PARALLEL 2
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int
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test(void)
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{
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pid_t pid;
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time_t start;
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start = time(NULL);
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while (time(NULL) - start < 300) {
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if ((pid = fork()) == -1)
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err(1, "fork()");
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if (pid == 0) {
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if (arc4random() % 100 < 20)
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usleep(arc4random() % 5000);
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_exit(0); /* Not reached */
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}
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if (waitpid(pid, NULL, 0) != pid)
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err(1, "waitpid()");
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}
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_exit(0);
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}
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int
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main(void)
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{
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pid_t pids[PARALLEL];
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int i;
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for (i = 0; i < PARALLEL; i++) {
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test();
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}
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for (i = 0; i < PARALLEL; i++) {
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if (waitpid(pids[i], NULL, 0) != pids[i])
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err(1, "waotpid() main");
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}
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}
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EOF
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mycc -o /tmp/$prog -Wall -Wextra -O2 /tmp/$prog.c || exit 1
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export MAXSWAPPCT=80
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../testcases/swap/swap -t 2m -i 5 > /dev/null 2>&1 &
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sleep .5
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start=`date +%s`
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while [ $((`date +%s` - start)) -lt 120 ]; do
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for i in `jot 200 100`; do
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(
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sl=$prog.$i
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sleep=/tmp/$sl
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cp /tmp/$prog $sleep
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su $testuser -c "$sleep & $sleep & $sleep &" & pid=$!
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for j in `jot 10`; do
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pgrep -q "$sl" && break
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sleep .5
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done
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pgrep -q "$sl" || { echo "No start"; exit 1; }
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pgid=`pgrep "$sl" | xargs ps -jp | sed 1d | \
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tail -1 | awk '{print $4}'`
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[ -z "$pgid" ] && { echo "Zero pgid:$pgid"; ps aj | \
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sed -n "1p;/$sl/p"; exit 1; }
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sleep 1.`jot -r 1 2 9`
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kill -- -$pgid || { echo "kill -$pgid failed"; exit 1; }
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wait $pid
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rm -f $sleep
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) &
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done
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while [ `ps -U$testuser | wc -l` -gt 1 ] ; do sleep 2; done
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done
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while pkill swap; do :; done
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wait
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rm /tmp/$prog /tmp/$prog.c
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exit 0
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