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2b778ceb | 1 | /* Copyright (C) 2003-2021 Free Software Foundation, Inc. |
675620f7 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
675620f7 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <signal.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <sys/time.h> | |
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26 | #include <support/check.h> |
27 | #include <support/timespec.h> | |
28 | #include <support/xtime.h> | |
7e625f7e | 29 | |
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30 | #include "eintr.c" |
31 | ||
32 | ||
33 | static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER; | |
34 | static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER; | |
35 | ||
36 | ||
37 | static void * | |
38 | tf1 (void *arg) | |
39 | { | |
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40 | struct timespec ts = timespec_add (xclock_now (CLOCK_REALTIME), |
41 | make_timespec (10000, 0)); | |
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42 | |
43 | /* This call must never return. */ | |
44 | int e = pthread_mutex_timedlock (&m1, &ts); | |
45 | char buf[100]; | |
26f0119e | 46 | printf ("tf1: mutex_timedlock returned: %s\n", |
675620f7 UD |
47 | strerror_r (e, buf, sizeof (buf))); |
48 | ||
49 | exit (1); | |
50 | } | |
51 | ||
52 | ||
53 | static void * | |
54 | tf2 (void *arg) | |
55 | { | |
56 | while (1) | |
57 | { | |
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58 | TEST_COMPARE (pthread_mutex_lock (&m2), 0); |
59 | TEST_COMPARE (pthread_mutex_unlock (&m2), 0); | |
60 | ||
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61 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; |
62 | nanosleep (&ts, NULL); | |
63 | } | |
ce5b73a7 | 64 | return NULL; |
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65 | } |
66 | ||
67 | ||
68 | static int | |
69 | do_test (void) | |
70 | { | |
ce5b73a7 | 71 | TEST_COMPARE (pthread_mutex_lock (&m1), 0); |
675620f7 | 72 | |
4efdd8d3 | 73 | setup_eintr (SIGUSR1, NULL); |
675620f7 | 74 | |
675620f7 | 75 | char buf[100]; |
ce5b73a7 MC |
76 | xpthread_create (NULL, tf1, NULL); |
77 | xpthread_create (NULL, tf2, NULL); | |
675620f7 | 78 | |
7e625f7e | 79 | delayed_exit (3); |
675620f7 | 80 | /* This call must never return. */ |
ce5b73a7 | 81 | int e = pthread_mutex_lock (&m1); |
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82 | printf ("main: mutex_lock returned: %s\n", |
83 | strerror_r (e, buf, sizeof (buf))); | |
84 | ||
eaf95a26 | 85 | return 1; |
675620f7 | 86 | } |
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87 | |
88 | #include <support/test-driver.c> |