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Diffstat (limited to 'tools/test/stress2/misc/killpg4.sh')
| -rwxr-xr-x | tools/test/stress2/misc/killpg4.sh | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/killpg4.sh b/tools/test/stress2/misc/killpg4.sh new file mode 100755 index 000000000000..448a7f60dd4b --- /dev/null +++ b/tools/test/stress2/misc/killpg4.sh @@ -0,0 +1,114 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# + +# Another killpg(2) test scenario. No problems seen. + +. ../default.cfg +export prog=$(basename "$0" .sh) +set -u + +cat > /tmp/$prog.c <<EOF +#include <sys/wait.h> +#include <err.h> +#include <time.h> +#include <stdlib.h> +#include <unistd.h> +#define PARALLEL 2 + +int +test(void) +{ + pid_t pid; + time_t start; + + start = time(NULL); + while (time(NULL) - start < 300) { + if ((pid = fork()) == -1) + err(1, "fork()"); + if (pid == 0) { + if (arc4random() % 100 < 20) + usleep(arc4random() % 5000); + _exit(0); /* Not reached */ + } + if (waitpid(pid, NULL, 0) != pid) + err(1, "waitpid()"); + } + _exit(0); +} + +int +main(void) +{ + pid_t pids[PARALLEL]; + int i; + + for (i = 0; i < PARALLEL; i++) { + test(); + } + for (i = 0; i < PARALLEL; i++) { + if (waitpid(pids[i], NULL, 0) != pids[i]) + err(1, "waotpid() main"); + } + +} +EOF +mycc -o /tmp/$prog -Wall -Wextra -O2 /tmp/$prog.c || exit 1 + +export MAXSWAPPCT=80 +../testcases/swap/swap -t 2m -i 5 > /dev/null 2>&1 & +sleep .5 +start=`date +%s` +while [ $((`date +%s` - start)) -lt 120 ]; do + for i in `jot 200 100`; do + ( + sl=$prog.$i + sleep=/tmp/$sl + cp /tmp/$prog $sleep + su $testuser -c "$sleep & $sleep & $sleep &" & pid=$! + for j in `jot 10`; do + pgrep -q "$sl" && break + sleep .5 + done + pgrep -q "$sl" || { echo "No start"; exit 1; } + pgid=`pgrep "$sl" | xargs ps -jp | sed 1d | \ + tail -1 | awk '{print $4}'` + [ -z "$pgid" ] && { echo "Zero pgid:$pgid"; ps aj | \ + sed -n "1p;/$sl/p"; exit 1; } + sleep 1.`jot -r 1 2 9` + kill -- -$pgid || { echo "kill -$pgid failed"; exit 1; } + wait $pid + rm -f $sleep + ) & + done + while [ `ps -U$testuser | wc -l` -gt 1 ] ; do sleep 2; done +done +while pkill swap; do :; done +wait +rm /tmp/$prog /tmp/$prog.c +exit 0 |