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
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* mutex6r.c
*
*
* Pthreads-win32 - POSIX Threads Library for Win32
* Copyright (C) 1998 Ben Elliston and Ross Johnson
* Copyright (C) 1999,2000,2001 Ross Johnson
*
* Contact Email: rpj@ise.canberra.edu.au
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* --------------------------------------------------------------------------
*
* Tests PTHREAD_MUTEX_RECURSIVE mutex type.
* Thread locks mutex twice (recursive lock).
* Both locks and unlocks should succeed.
*
* Depends on API functions:
* pthread_create()
* pthread_join()
* pthread_mutexattr_init()
* pthread_mutexattr_destroy()
* pthread_mutexattr_settype()
* pthread_mutexattr_gettype()
* pthread_mutex_init()
* pthread_mutex_destroy()
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
static int lockCount = 0;
static pthread_mutex_t mutex;
static pthread_mutexattr_t mxAttr;
void * locker(void * arg)
{
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_unlock(&mutex) == 0);
assert(pthread_mutex_unlock(&mutex) == 0);
return (void *) 555;
}
int
main()
{
pthread_t t;
int result = 0;
int mxType = -1;
assert(pthread_mutexattr_init(&mxAttr) == 0);
assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_RECURSIVE) == 0);
assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0);
assert(mxType == PTHREAD_MUTEX_RECURSIVE);
assert(pthread_mutex_init(&mutex, &mxAttr) == 0);
assert(pthread_create(&t, NULL, locker, NULL) == 0);
assert(pthread_join(t, (void **) &result) == 0);
assert(result == 555);
assert(lockCount == 2);
assert(pthread_mutex_destroy(&mutex) == 0);
assert(pthread_mutexattr_destroy(&mxAttr) == 0);
exit(0);
/* Never reached */
return 0;
}
|
