stress2: Add a regression test for D38549
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tools/test/stress2/misc/msdos18.sh
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tools/test/stress2/misc/msdos18.sh
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#!/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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# D38549: msdosfs deextend: validate pages of the partial buffer
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# https://people.freebsd.org/~pho/stress/log/log0420.txt
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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set -eu
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prog=$(basename "$0" .sh)
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mkdir -p $mntpoint
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mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
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[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 1g -u $mdstart
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newfs_msdos /dev/md$mdstart > /dev/null 2>&1
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mount -t msdosfs /dev/md$mdstart $mntpoint
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mount | grep $mntpoint
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set +e
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odir=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $odir/$0 > $prog.c
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cc -o $prog -Wall -O0 $prog.c -pthread || exit 1
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rm -f $prog.c
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cd $mntpoint
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in=inputFile
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out=outputFile
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/tmp/$prog $in $out 12345
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ls -al
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cd $odir
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umount $mntpoint
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mdconfig -d -u $mdstart
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rm -f /tmp/$prog
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exit
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EOF
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#include <pthread_np.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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int fd, port;
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volatile int go;
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char *inputFile;
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char *outputFile;
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#define FSIZE 936374
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char buf[FSIZE];
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static void
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reader(void) {
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struct sockaddr_in inetaddr, inetpeer;
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socklen_t len;
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int on, n, tcpsock, msgsock;
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on = 1;
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if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
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err(1, "socket(), %s:%d", __FILE__, __LINE__);
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if (setsockopt(tcpsock,
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SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
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err(1, "setsockopt(), %s:%d", __FILE__, __LINE__);
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inetaddr.sin_family = AF_INET;
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inetaddr.sin_addr.s_addr = INADDR_ANY;
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inetaddr.sin_port = htons(port);
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inetaddr.sin_len = sizeof(inetaddr);
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if (bind(tcpsock,
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(struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0)
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err(1, "bind(), %s:%d", __FILE__, __LINE__);
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if (listen(tcpsock, 5) < 0)
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err(1, "listen(), %s:%d", __FILE__, __LINE__);
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len = sizeof(inetpeer);
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if ((msgsock = accept(tcpsock,
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(struct sockaddr *)&inetpeer, &len)) < 0)
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err(1, "accept(), %s:%d", __FILE__, __LINE__);
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if ((fd = open(outputFile, O_RDWR | O_CREAT | O_TRUNC, 0640)) == -1)
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err(1, "open(%s)", outputFile);
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usleep(arc4random() % 1000);
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for (;;) {
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if ((n = read(msgsock, buf, FSIZE)) < 0)
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err(1, "read(), %s:%d", __FILE__, __LINE__);
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if (n == 0)
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break;
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}
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close(msgsock);
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close(tcpsock);
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close(fd);
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return;
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}
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static void *
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thr(void *data __unused)
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{
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pthread_set_name_np(pthread_self(), __func__);
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go = 1;
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while (go == 1) {
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ftruncate(fd, FSIZE / 2);
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ftruncate(fd, FSIZE);
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}
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return (NULL);
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}
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static void
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writer(void) {
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struct hostent *hostent;
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struct sockaddr_in inetaddr;
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pthread_t tid;
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off_t off = 0;
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size_t size;
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int i, on, r, tcpsock;
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on = 1;
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for (i = 1; i < 5; i++) {
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if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
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err(1, "socket(), %s:%d", __FILE__, __LINE__);
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if (setsockopt(tcpsock,
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SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
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err(1, "setsockopt(), %s:%d", __FILE__, __LINE__);
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size = getpagesize();
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if (setsockopt(tcpsock, SOL_SOCKET, SO_SNDBUF, (void *)&size,
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sizeof(size)) < 0)
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err(1, "setsockopt(SO_SNDBUF), %s:%d",
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__FILE__, __LINE__);
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hostent = gethostbyname ("localhost");
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memcpy (&inetaddr.sin_addr.s_addr, hostent->h_addr,
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sizeof (struct in_addr));
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inetaddr.sin_family = AF_INET;
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inetaddr.sin_port = htons(port);
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inetaddr.sin_len = sizeof(inetaddr);
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r = connect(tcpsock, (struct sockaddr *) &inetaddr,
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sizeof(inetaddr));
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if (r == 0)
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break;
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sleep(1);
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close(tcpsock);
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}
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if (r < 0)
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err(1, "connect(), %s:%d", __FILE__, __LINE__);
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if ((fd = open(inputFile, O_RDWR | O_CREAT | O_TRUNC, 0640)) == -1)
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err(1, "open(%s)", inputFile);
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if (write(fd, buf, sizeof(buf)) != sizeof(buf))
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err(1, "write()");
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r = pthread_create(&tid, NULL, thr, NULL);
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if (r)
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errc(1, r, "pthread_create");
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usleep(5000);
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if (sendfile(fd, tcpsock, 0, FSIZE, NULL, &off, 0) == -1)
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err(1, "sendfile");
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usleep(arc4random() % 20000);
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go = 0;
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if ((r = pthread_join(tid, NULL)) != 0)
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errc(1, r, "pthread_join");
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_exit(0);
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}
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int
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main(int argc, char **argv)
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{
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pid_t pid;
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time_t start;
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if (argc != 4) {
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fprintf(stderr, "Usage: %s <inputFile outputFile portNumber\n",
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argv[0]);
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return (1);
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}
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inputFile = argv[1];
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outputFile = argv[2];
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port = atoi(argv[3]);
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pthread_set_name_np(pthread_self(), __func__);
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start = time(NULL);
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while (time(NULL) - start < 120) {
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if ((pid = fork()) == 0) {
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writer();
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} else if (pid > 0) {
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reader();
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kill(pid, SIGINT);
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if (waitpid(pid, NULL, 0) != pid)
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err(1, "waitpid()");
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} else
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err(1, "fork(), %s:%d", __FILE__, __LINE__);
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}
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return (0);
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}
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