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
34 static void
test1(void)35 test1(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
56 static void
test2(void)57 test2(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
77 int
main(void)78 main(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