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2b778ceb | 1 | /* Copyright (C) 2003-2021 Free Software Foundation, Inc. |
0a8730cb UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
0a8730cb UD |
17 | |
18 | #include <errno.h> | |
19 | #include <stdio.h> | |
20 | #include <unistd.h> | |
21 | #include <sys/time.h> | |
2384fe20 | 22 | #include <time.h> |
6d97330d AZ |
23 | #include <intprops.h> |
24 | #include <support/support.h> | |
25 | #include <support/check.h> | |
0a8730cb UD |
26 | |
27 | /* Test that clock_nanosleep() does sleep. */ | |
6d97330d AZ |
28 | static void |
29 | clock_nanosleep_test (void) | |
0a8730cb UD |
30 | { |
31 | /* Current time. */ | |
32 | struct timeval tv1; | |
6d97330d | 33 | gettimeofday (&tv1, NULL); |
0a8730cb | 34 | |
6d97330d | 35 | struct timespec ts = { 1, 0 }; |
0a8730cb UD |
36 | TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts)); |
37 | ||
38 | /* At least one second must have passed. */ | |
39 | struct timeval tv2; | |
6d97330d | 40 | gettimeofday (&tv2, NULL); |
0a8730cb UD |
41 | |
42 | tv2.tv_sec -= tv1.tv_sec; | |
43 | tv2.tv_usec -= tv1.tv_usec; | |
44 | if (tv2.tv_usec < 0) | |
45 | --tv2.tv_sec; | |
46 | ||
6d97330d AZ |
47 | TEST_VERIFY (tv2.tv_sec >= 1); |
48 | } | |
49 | ||
50 | static void | |
51 | clock_nanosleep_large_timeout (void) | |
52 | { | |
53 | support_create_timer (0, 100000000, false, NULL); | |
54 | struct timespec ts = { TYPE_MAXIMUM (time_t), 0 }; | |
55 | int r = clock_nanosleep (CLOCK_REALTIME, 0, &ts, NULL); | |
56 | TEST_VERIFY (r == EINTR || r == EOVERFLOW); | |
57 | } | |
0a8730cb | 58 | |
6d97330d AZ |
59 | static int |
60 | do_test (void) | |
61 | { | |
62 | clock_nanosleep_test (); | |
63 | clock_nanosleep_large_timeout (); | |
0a8730cb UD |
64 | return 0; |
65 | } | |
66 | ||
6d97330d | 67 | #include <support/test-driver.c> |