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1 /*
2  * Execute a command, expect its termination with a specified signal.
3  *
4  * Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "tests.h"
31 #include <signal.h>
32 #include <stdlib.h>
33 #include <unistd.h>
34 #include <sys/wait.h>
35 
36 int
main(int ac,char ** av)37 main(int ac, char **av)
38 {
39 	if (ac < 3)
40 		error_msg_and_fail("usage: run_expect_termsig signo path...");
41 
42 	signal(SIGCHLD, SIG_DFL);
43 
44 	pid_t pid = fork();
45 	if (pid < 0)
46 		perror_msg_and_fail("fork");
47 
48 	if (!pid) {
49 		execvp(av[2], av + 2);
50 		perror_msg_and_fail("execvp: %s", av[2]);
51 	}
52 
53 	int status;
54 	if (waitpid(pid, &status, 0) != pid)
55 		perror_msg_and_fail("waitpid");
56 
57 	return !(WIFSIGNALED(status) && WTERMSIG(status) == atoi(av[1]));
58 }
59