2 * Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/param.h>
29 #include <sys/types.h>
42 static char path[MAXPATHLEN+1];
43 #define NB (1 * 1024 * 1024)
52 if ((fd = open(path, O_RDWR, 0600)) < 0) {
54 err(1, "open(%s)", path);
56 if ((buf = malloc(bufsize)) == NULL)
57 err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
58 for (i = 0; i < NB; i+= bufsize) {
59 if ((n = read(fd, buf, bufsize)) < 0)
60 err(1, "read(), %s:%d", __FILE__, __LINE__);
73 if ((fd = open(path, O_RDWR, 0600)) < 0) {
75 err(1, "open(%s)", path);
77 if ((buf = malloc(bufsize)) == NULL)
78 err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
79 for (i = 0; i < bufsize / sizeof(int); i++)
82 for (i = 0; i < NB; i+= bufsize) {
83 if (write(fd, buf, bufsize) < 0) {
84 err(1, "write(%d), %s:%d", fd,
96 bufsize = 2 << random_int(2, 12);
111 for (i = 0; i < 100; i++) {
112 if (sprintf(path, "fifo.%d.%d", getpid(), i) < 0)
114 if (mkfifo(path, 0600) < 0)
115 err(1, "mkfifo(%s)", path);
117 for (i = 0; i < 100; i++) {
118 if (sprintf(path, "fifo.%d.%d", getpid(), i) < 0)
120 if (unlink(path) < 0)
121 err(1, "unlink(%s)", path);
125 if (sprintf(path, "fifo.%d", getpid()) < 0)
127 if (mkfifo(path, 0600) < 0)
128 err(1, "mkfifo(%s)", path);
130 if ((pid = fork()) == 0) {
134 } else if (pid > 0) {
137 if (waitpid(pid, &status, 0) == -1)
138 warn("waitpid(%d)", pid);
140 err(1, "fork(), %s:%d", __FILE__, __LINE__);