1/*
2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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 * 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.
15 *
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.
26 */
27
28#include "tests.h"
29#include <assert.h>
30#include <poll.h>
31#include <signal.h>
32#include <unistd.h>
33
34static void
35test1(void)
36{
37	const struct timespec timeout = { .tv_sec = 42, .tv_nsec = 999999999 };
38	struct pollfd fds[] = {
39		{ .fd = 0, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND },
40		{ .fd = 1, .events = POLLOUT | POLLWRNORM | POLLWRBAND },
41		{ .fd = 3, .events = POLLIN | POLLPRI },
42		{ .fd = 4, .events = POLLOUT }
43	};
44
45	sigset_t mask;
46	sigemptyset(&mask);
47	sigaddset(&mask, SIGUSR2);
48	sigaddset(&mask, SIGCHLD);
49
50	int rc = ppoll(fds, sizeof(fds) / sizeof(*fds), &timeout, &mask);
51	if (rc < 0)
52		perror_msg_and_skip("ppoll");
53	assert(rc == 2);
54}
55
56static void
57test2(void)
58{
59	const struct timespec timeout = { .tv_sec = 0, .tv_nsec = 999 };
60	struct pollfd fds[] = {
61		{ .fd = 1, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND },
62		{ .fd = 0, .events = POLLOUT | POLLWRNORM | POLLWRBAND }
63	};
64
65	sigset_t mask;
66	sigfillset(&mask);
67	sigdelset(&mask, SIGHUP);
68	sigdelset(&mask, SIGKILL);
69	sigdelset(&mask, SIGSTOP);
70
71	int rc = ppoll(fds, sizeof(fds) / sizeof(*fds), &timeout, &mask);
72	if (rc < 0)
73		perror_msg_and_skip("ppoll");
74	assert(rc == 0);
75}
76
77int
78main(void)
79{
80	int fds[2];
81
82	(void) close(0);
83	(void) close(1);
84	(void) close(3);
85	(void) close(4);
86	if (pipe(fds) || pipe(fds))
87		perror_msg_and_fail("pipe");
88
89	test1();
90	test2();
91
92	assert(ppoll(NULL, 42, NULL, NULL) < 0);
93	return 0;
94}
95