12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
+
+
|
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <errno.h>
#import "OFMutex.h"
#import "OFString.h"
#import "OFInitializationFailedException.h"
#import "OFLockFailedException.h"
#import "OFStillLockedException.h"
|
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
|
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
92
93
94
95
96
97
98
99
100
101
102
|
-
-
+
+
+
+
+
+
-
+
+
-
+
+
+
+
+
+
+
+
+
-
+
+
|
_initialized = true;
return self;
}
- (void)dealloc
{
if (_initialized)
if (!of_mutex_free(&_mutex))
if (_initialized) {
if (!of_mutex_free(&_mutex)) {
OF_ENSURE(errno == EBUSY);
@throw [OFStillLockedException exceptionWithLock: self];
}
}
[_name release];
[super dealloc];
}
- (void)lock
{
if (!of_mutex_lock(&_mutex))
@throw [OFLockFailedException exceptionWithLock: self];
@throw [OFLockFailedException exceptionWithLock: self
errNo: errno];
}
- (bool)tryLock
{
return of_mutex_trylock(&_mutex);
if (!of_mutex_trylock(&_mutex)) {
if (errno == EBUSY)
return false;
else
@throw [OFLockFailedException exceptionWithLock: self
errNo: errno];
}
return true;
}
- (void)unlock
{
if (!of_mutex_unlock(&_mutex))
@throw [OFUnlockFailedException exceptionWithLock: self];
@throw [OFUnlockFailedException exceptionWithLock: self
errNo: errno];
}
- (OFString *)description
{
if (_name == nil)
return super.description;
return [OFString stringWithFormat: @"<%@: %@>", self.className, _name];
}
@end
|