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116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*-
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* Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
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* All rights reserved.
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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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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <err.h>
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#include <errno.h>
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#include <netdb.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 <unistd.h>
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#include "stress.h"
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#define NB (400 * 1024 * 1024)
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static int port;
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static int bufsize;
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static int sv[2];
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static void
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reader(void) {
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int n, *buf;
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if ((buf = malloc(bufsize)) == NULL)
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err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
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while (done_testing == 0) {
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if ((n = read(sv[0], buf, bufsize)) < 0)
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err(1, "read(), %s:%d", __FILE__, __LINE__);
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if (n == 0) break;
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}
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close(sv[0]);
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return;
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}
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static void
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writer(void) {
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int i, *buf;
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if ((buf = malloc(bufsize)) == NULL)
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err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
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for (i = 0; i < bufsize / (int)sizeof(int); i++)
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buf[i] = i;
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for (;;) {
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for (i = 0; i < NB; i+= bufsize) {
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if (write(sv[1], buf, bufsize) < 0) {
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if (errno == EPIPE)
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return;
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err(1, "write(%d), %s:%d", sv[1],
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__FILE__, __LINE__);
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}
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}
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}
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return;
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}
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int
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setup(int nb)
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{
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port = 12340 + nb;
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bufsize = 2 << random_int(2, 12);
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return (0);
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}
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void
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cleanup(void)
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{
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}
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int
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test(void)
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{
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pid_t pid;
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if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) != 0)
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err(1, "socketpair()");
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if ((pid = fork()) == 0) {
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writer();
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_exit(EXIT_SUCCESS);
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} else if (pid > 0) {
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reader();
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kill(pid, SIGINT);
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} else
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err(1, "fork(), %s:%d", __FILE__, __LINE__);
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return (0);
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}
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