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Diffstat (limited to 'tools/test/stress2/misc/sendfile5.sh')
| -rwxr-xr-x | tools/test/stress2/misc/sendfile5.sh | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/sendfile5.sh b/tools/test/stress2/misc/sendfile5.sh new file mode 100755 index 000000000000..5bae03441779 --- /dev/null +++ b/tools/test/stress2/misc/sendfile5.sh @@ -0,0 +1,165 @@ +#!/bin/sh + +# +# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org> +# 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. +# + +# sendfile(2) test by kib@ +# Deadlock seen. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +here=`pwd` +file=`basename $diskimage` +dir=`dirname $diskimage` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > sendfile5.c +mycc -o sendfile5 -Wall -Wextra -O2 sendfile5.c +rm -f sendfile5.c +need=1024 +[ `df -k $(dirname $diskimage) | tail -1 | awk '{print int($4 / 1024)}'` \ + -lt $need ] && + printf "Need %d MB on %s.\n" $need `dirname $diskimage` && exit 0 +dd if=/dev/zero of=$diskimage bs=1m count=$need status=none +cd $here + +mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart + +kldstat | grep -q tmpfs.ko || loaded=1 +mount -t tmpfs tmpfs $mntpoint +echo "Testing tmpfs(5)" +cp $diskimage $mntpoint +/tmp/sendfile5 $mntpoint/$file +umount $mntpoint +[ $loaded ] && kldunload tmpfs.ko + +mdconfig -a -t swap -s 2g -u $mdstart || exit 1 +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +echo "Testing FFS" +cp $diskimage $mntpoint +/tmp/sendfile5 $mntpoint/$file +umount $mntpoint +mdconfig -d -u $mdstart + +mount -t nullfs $dir $mntpoint +echo "Testing nullfs(5)" +/tmp/sendfile5 $mntpoint/$file +umount $mntpoint + +rm -f /tmp/sendfile5 $diskimage +exit +EOF +#include <sys/types.h> +#include <sys/fcntl.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/uio.h> +#include <sys/wait.h> +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +int +main(int argc, char *argv[]) +{ + const char *from_name; + char *buf; + int sv[2]; + struct stat st; + off_t written, pos; + int child, error, from, status; + + if (argc != 2) + errx(1, "Usage: %s from", argv[0]); + from_name = argv[1]; + + from = open(from_name, O_RDONLY); + if (from == -1) + err(1, "open read %s", from_name); + + error = fstat(from, &st); + if (error == -1) + err(1, "stat %s", from_name); + + error = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); + if (error == -1) + err(1, "socketpair"); + + child = fork(); + if (child == -1) + err(1, "fork"); + else if (child != 0) { + close(sv[1]); + pos = 0; + for (;;) { + error = sendfile(from, sv[0], pos, st.st_size - pos, + NULL, &written, 0); + if (error == -1) { + if (errno != EAGAIN) + err(1, "sendfile"); + } + pos += written; + if (pos == st.st_size) + break; + } + close(sv[0]); + waitpid(child, &status, 0); + } else { + close(sv[0]); + buf = malloc(st.st_size); + if (buf == NULL) + err(1, "malloc %jd", st.st_size); + pos = 0; + for (;;) { + written = 413; + if (written > st.st_size - pos) + written = st.st_size - pos; +#if 0 + written = st.st_size - pos; + if (written > 1000) + written = 1000; + written = arc4random_uniform(written) + 1; +#endif + error = read(sv[1], buf + pos, written); + if (error == -1) + err(1, "read"); + else if (error == 0) + errx(1, "short read"); + pos += error; + if (pos == st.st_size) + break; + } + close(sv[1]); + _exit(0); + } + + return (0); +} |