1 | /* Check if pthread_mutex_clocklock with PRIO_INHERIT fails with clock |
2 | different than CLOCK_REALTIME. |
3 | Copyright (C) 2020-2022 Free Software Foundation, Inc. |
4 | This file is part of the GNU C Library. |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either |
9 | version 2.1 of the License, or (at your option) any later version. |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | Lesser General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, see |
18 | <https://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <pthread.h> |
21 | #include <errno.h> |
22 | #include <array_length.h> |
23 | |
24 | #include <support/check.h> |
25 | #include <support/xthread.h> |
26 | #include <support/timespec.h> |
27 | |
28 | static int |
29 | do_test (void) |
30 | { |
31 | const int types[] = { |
32 | PTHREAD_MUTEX_NORMAL, |
33 | PTHREAD_MUTEX_ERRORCHECK, |
34 | PTHREAD_MUTEX_RECURSIVE, |
35 | PTHREAD_MUTEX_ADAPTIVE_NP |
36 | }; |
37 | const int robust[] = { |
38 | PTHREAD_MUTEX_STALLED, |
39 | PTHREAD_MUTEX_ROBUST |
40 | }; |
41 | const struct { |
42 | int clk; |
43 | int r; |
44 | } clocks[] = { |
45 | { CLOCK_REALTIME, 0 }, |
46 | { CLOCK_MONOTONIC, 0 }, |
47 | { CLOCK_REALTIME_COARSE, EINVAL } |
48 | }; |
49 | |
50 | for (int t = 0; t < array_length (types); t++) |
51 | for (int r = 0; r < array_length (robust); r++) |
52 | for (int c = 0; c < array_length (clocks); c++) |
53 | { |
54 | pthread_mutexattr_t attr; |
55 | xpthread_mutexattr_init (&attr); |
56 | xpthread_mutexattr_setprotocol (&attr, PTHREAD_PRIO_INHERIT); |
57 | xpthread_mutexattr_settype (&attr, types[t]); |
58 | xpthread_mutexattr_setrobust (&attr, robust[r]); |
59 | |
60 | pthread_mutex_t mtx; |
61 | xpthread_mutex_init (&mtx, &attr); |
62 | |
63 | /* Uncontended case does not trigger any futex call. */ |
64 | struct timespec tmo = timespec_add (xclock_now (clock: clocks[c].clk), |
65 | make_timespec (s: 0, ns: 100000000)); |
66 | |
67 | TEST_COMPARE (pthread_mutex_clocklock (&mtx, clocks[c].clk, &tmo), |
68 | clocks[c].r); |
69 | if (clocks[c].r == 0) |
70 | TEST_COMPARE (pthread_mutex_unlock (&mtx), 0); |
71 | |
72 | xpthread_mutex_destroy (&mtx); |
73 | } |
74 | |
75 | return 0; |
76 | } |
77 | |
78 | #include <support/test-driver.c> |
79 | |