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e9e912d3 AZ |
1 | /* Check for large timeout with mq_timedsend and mq_timedreceive. |
2 | Copyright (C) 2021 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <errno.h> | |
20 | #include <intprops.h> | |
21 | #include <mqueue.h> | |
22 | #include <stdio.h> | |
23 | #include <support/check.h> | |
24 | #include <support/support.h> | |
25 | #include <support/temp_file.h> | |
26 | #include <unistd.h> | |
27 | ||
28 | static char name[sizeof "/tst-mqueue2-" + INT_BUFSIZE_BOUND (pid_t)]; | |
29 | ||
30 | static void | |
31 | do_cleanup (void) | |
32 | { | |
33 | mq_unlink (name); | |
34 | } | |
35 | #define CLEANUP_HANDLER do_cleanup | |
36 | ||
37 | static int | |
38 | do_test (void) | |
39 | { | |
40 | snprintf (name, sizeof (name), "/tst-mqueue2-%u", getpid ()); | |
41 | ||
42 | char msg[8] = { 0x55 }; | |
43 | ||
44 | struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = sizeof (msg) }; | |
45 | mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
46 | TEST_VERIFY_EXIT (q != (mqd_t) -1); | |
47 | ||
48 | struct timespec ts = { TYPE_MAXIMUM (time_t), 0 }; | |
49 | ||
50 | { | |
51 | timer_t timer = support_create_timer (0, 100000000, false, NULL); | |
52 | TEST_COMPARE (mq_timedreceive (q, msg, sizeof (msg), NULL, &ts), -1); | |
53 | TEST_VERIFY (errno == EINTR || errno == EOVERFLOW); | |
54 | support_delete_timer (timer); | |
55 | } | |
56 | ||
1faff270 AZ |
57 | { |
58 | timer_t timer = support_create_timer (0, 100000000, false, NULL); | |
59 | /* Fill the internal buffer first. */ | |
60 | TEST_COMPARE (mq_timedsend (q, msg, sizeof (msg), 0, | |
61 | &(struct timespec) { 0, 0 }), 0); | |
62 | TEST_COMPARE (mq_timedsend (q, msg, sizeof (msg), 0, &ts), -1); | |
63 | TEST_VERIFY (errno == EINTR || errno == EOVERFLOW); | |
64 | support_delete_timer (timer); | |
65 | } | |
66 | ||
e9e912d3 AZ |
67 | mq_unlink (name); |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
72 | #include <support/test-driver.c> |