1/*-
2 * Copyright (c) 2016 Jilles Tjoelker
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
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
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/11/tests/sys/kern/waitpid_nohang.c 307004 2016-10-10 20:24:32Z jilles $");
29
30#include <sys/wait.h>
31
32#include <atf-c.h>
33#include <signal.h>
34#include <unistd.h>
35
36ATF_TC_WITHOUT_HEAD(waitpid_nohang);
37ATF_TC_BODY(waitpid_nohang, tc)
38{
39	pid_t child, pid;
40	int status, r;
41
42	child = fork();
43	ATF_REQUIRE(child != -1);
44	if (child == 0) {
45		sleep(10);
46		_exit(1);
47	}
48
49	status = 42;
50	pid = waitpid(child, &status, WNOHANG);
51	ATF_REQUIRE(pid == 0);
52	ATF_CHECK(status == 42);
53
54	r = kill(child, SIGTERM);
55	ATF_REQUIRE(r == 0);
56	r = waitid(P_PID, child, NULL, WEXITED | WNOWAIT);
57	ATF_REQUIRE(r == 0);
58
59	status = -1;
60	pid = waitpid(child, &status, WNOHANG);
61	ATF_REQUIRE(pid == child);
62	ATF_CHECK(WIFSIGNALED(status) && WTERMSIG(status) == SIGTERM);
63}
64
65ATF_TP_ADD_TCS(tp)
66{
67
68	ATF_TP_ADD_TC(tp, waitpid_nohang);
69	return (atf_no_error());
70}
71