t_proc3.c revision 313508 
1/* $NetBSD: t_proc3.c,v 1.2 2015/01/14 22:22:32 christos Exp $ */
2
3/*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Joerg Sonnenberger.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__RCSID("$NetBSD: t_proc3.c,v 1.2 2015/01/14 22:22:32 christos Exp $");
34
35#ifdef __FreeBSD__
36#include <sys/types.h>
37#endif
38#include <sys/event.h>
39#include <sys/time.h>
40#include <sys/types.h>
41#include <sys/wait.h>
42
43#include <err.h>
44#include <pwd.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <unistd.h>
48
49#include <atf-c.h>
50
51#include "../../h_macros.h"
52
53ATF_TC(proc3);
54ATF_TC_HEAD(proc3, tc)
55{
56	atf_tc_set_md_var(tc, "descr",
57	    "Checks EVFILT_PROC for NOTE_TRACK on self bug ");
58}
59
60ATF_TC_BODY(proc3, tc)
61{
62	pid_t pid = 0;
63	int kq, status;
64	struct kevent ke;
65	struct timespec timeout;
66
67	RL(kq = kqueue());
68
69	EV_SET(&ke, (uintptr_t)getpid(), EVFILT_PROC, EV_ADD, NOTE_TRACK, 0, 0);
70
71	RL(kevent(kq, &ke, 1, NULL, 0, NULL));
72
73	RL(pid = fork());
74	if (pid == 0) {
75		_exit(EXIT_SUCCESS);
76		/* NOTREACHED */
77	}
78
79	RL(waitpid(pid, &status, 0));
80	ATF_REQUIRE(WIFEXITED(status));
81	ATF_REQUIRE_EQ(WEXITSTATUS(status), EXIT_SUCCESS);
82
83	timeout.tv_sec = 0;
84	timeout.tv_nsec = 0;
85	ke.ident = 0;
86	ke.fflags = 0;
87	ke.flags = EV_ENABLE;
88
89	RL(kevent(kq, NULL, 0, &ke, 1, &timeout));
90	RL(close(kq));
91
92	ATF_REQUIRE(ke.fflags & NOTE_CHILD);
93	ATF_REQUIRE((ke.fflags & NOTE_TRACKERR) == 0);
94	ATF_REQUIRE_EQ((pid_t)ke.ident, pid);
95}
96
97ATF_TP_ADD_TCS(tp)
98{
99	ATF_TP_ADD_TC(tp, proc3);
100
101	return atf_no_error();
102}
103