Date: Wed, 15 Mar 2017 10:36:12 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r315299 - user/pho/stress2/misc Message-ID: <201703151036.v2FAaCxO079907@repo.freebsd.org>
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Author: pho Date: Wed Mar 15 10:36:12 2017 New Revision: 315299 URL: https://svnweb.freebsd.org/changeset/base/315299 Log: Added a regression test. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/sem_timedwait.sh (contents, props changed) Added: user/pho/stress2/misc/sem_timedwait.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/sem_timedwait.sh Wed Mar 15 10:36:12 2017 (r315299) @@ -0,0 +1,101 @@ +#!/bin/sh + +# +# Copyright (c) 2017 Dell EMC Isilon +# All rights reserved. +# +# 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. +# +# $FreeBSD$ +# + +# sem_timedwait(2) test. + +# Test scenario by Eric van Gyzen <vangyzen@FreeBSD.org> +# for changes committed as r315280. + +. ../default.cfg + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/sem_timedwait.c +mycc -o sem_timedwait -Wall -Wextra -O0 -g sem_timedwait.c || exit 1 +rm -f sem_timedwait.c +cd $odir + +for i in `jot 900`; do + date -f %s $((`date +%s` + `jot -r 1 -5 5`)) > /dev/null + sleep .`jot -r 1 1 9` + [ $i -eq 900 ] && echo XXX +done & +pid=$! + +s=0 +start=`date +%s` +while [ $((`date +%s` - start)) -lt 120 ]; do + st=`date +%T` + /tmp/sem_timedwait > /dev/null || { s=$?; break; } +done +kill $pid > /dev/null 2>&1 +wait + +rm -rf /tmp/sem_timedwait +exit $s + +EOF +#include <err.h> +#include <errno.h> +#include <semaphore.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> + +int +main(void) +{ + sem_t sem; + int result; + struct timespec ts; + + alarm(120); + result = sem_init(&sem, 0, 0); + if (result) + err(1, "sem_init"); + + result = clock_gettime(CLOCK_REALTIME, &ts); + if (result) + err(1, "clock_gettime"); + + ts.tv_sec += 10; + + result = sem_timedwait(&sem, &ts); + if (result == 0) { + errx(1, "sem_timedwait succeeded?!"); + } else if (errno != ETIMEDOUT) { + err(1, "clock_timedwait"); + } + + puts("timeout"); + + return (0); +}
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