blob: 9c63ccd46cc8b80bb90c246c7b38267d751557c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/* Test of locking in multithreaded situations.
Copyright (C) 2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2024. */
#include <config.h>
#if defined _WIN32 && !defined __CYGWIN__
/* Specification. */
# include "windows-timedmutex.h"
# include <errno.h>
# include <stdio.h>
# include <string.h>
# include "macros.h"
/* Returns the effective type of a lock. */
static const char *
get_effective_type (glwthread_timedmutex_t *lock)
{
/* Lock once. */
ASSERT (glwthread_timedmutex_lock (lock) == 0);
/* Try to lock a second time. */
int err = glwthread_timedmutex_trylock (lock);
if (err == 0)
return "RECURSIVE";
if (err == EBUSY)
return "NORMAL";
return "impossible!";
}
int
main ()
{
/* Find the effective type of a lock. */
const char *type;
{
glwthread_timedmutex_t lock;
ASSERT (glwthread_timedmutex_init (&lock) == 0);
type = get_effective_type (&lock);
}
printf ("type = %s\n", type);
ASSERT (strcmp (type, "NORMAL") == 0);
return test_exit_status;
}
#else
# include <stdio.h>
int
main ()
{
fputs ("Skipping test: not a native Windows system\n", stderr);
return 77;
}
#endif
|
