2 * Copyright (c) 2013-2016 Dmitry V. Levin <ldv@altlinux.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.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/socket.h>
41 assert(close(1) == 0);
46 main(int ac, const char **av)
48 struct sockaddr_un addr = {
49 .sun_family = AF_UNIX,
54 assert(strlen(av[1]) > 0);
56 strncpy(addr.sun_path, av[1], sizeof(addr.sun_path));
57 len = offsetof(struct sockaddr_un, sun_path) + strlen(av[1]) + 1;
58 if (len > sizeof(addr))
65 if (socket(AF_UNIX, SOCK_STREAM, 0))
66 perror_msg_and_skip("socket");
67 if (bind(0, (struct sockaddr *) &addr, len))
68 perror_msg_and_skip("bind");
70 perror_msg_and_skip("listen");
72 memset(&addr, 0, sizeof addr);
73 assert(getsockname(0, (struct sockaddr *) &addr, &len) == 0);
74 if (len > sizeof(addr))
79 perror_msg_and_fail("fork");
82 assert(accept(0, (struct sockaddr *) &addr, &len) == 1);
83 assert(close(0) == 0);
84 assert(kill(pid, SIGUSR1) == 0);
86 assert(waitpid(pid, &status, 0) == pid);
88 assert(close(1) == 0);
92 sigaddset(&set, SIGUSR1);
94 assert(sigprocmask(SIG_BLOCK, &set, NULL) == 0);
95 assert(signal(SIGUSR1, handler) != SIG_ERR);
96 assert(socket(AF_UNIX, SOCK_STREAM, 0) == 1);
97 assert(close(0) == 0);
98 assert(connect(1, (struct sockaddr *) &addr, len) == 0);
99 assert(sigprocmask(SIG_UNBLOCK, &set, NULL) == 0);
100 assert(pause() == 99);