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Diffstat (limited to 'tools/test/stress2/misc/chain.sh')
| -rwxr-xr-x | tools/test/stress2/misc/chain.sh | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/chain.sh b/tools/test/stress2/misc/chain.sh new file mode 100755 index 000000000000..46d2f32cd7c4 --- /dev/null +++ b/tools/test/stress2/misc/chain.sh @@ -0,0 +1,77 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2021 Peter Jeremy <peterj@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. +# +# Unkillable process in "vm map (user)" seen. +# https://people.freebsd.org/~pho/stress/log/kostik1070.txt +# Fixed by: r327468 + +# OOM killing: https://people.freebsd.org/~pho/stress/log/chain.txt + +if [ ! -f /usr/local/include/libmill.h -o \ + ! -x /usr/local/lib/libmill.so ]; then + echo "ports/devel/libmill needed." + exit 0 +fi + +. ../default.cfg + +cat > /tmp/chain.c <<EOF +#include <stdio.h> +#include <stdlib.h> +#include <libmill.h> + +coroutine void f(chan left, chan right) { + chs(left, int, 1 + chr(right, int)); +} + +int +main(int argc __unused, char **argv) +{ + int i, n = argv[1] ? atoi(argv[1]) : 10000; + chan leftmost = chmake(int, 0); + chan left = NULL; + chan right = leftmost; + + alarm(600); + for (i = 0; i < n; i++) { + left = right; + right = chmake(int, 0); + go(f(left, right)); + } + chs(right, int, 0); + i = chr(leftmost, int); + printf("result = %d\n", i); + return(0); +} +EOF + +mycc -o /tmp/chain -I /usr/local/include -L /usr/local/lib -Wall -Wextra \ + -O2 -g /tmp/chain.c -lmill || exit 1 +limits -c 0 /tmp/chain 1000000 +rm -f /tmp/chain /tmp/chain.c +exit 0 |