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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
-
+
+
-
+
-
+
-
+
-
+
-
-
+
+
-
+
-
-
+
+
-
+
-
-
+
+
-
+
-
-
+
+
-
+
-
+
-
+
|
#import "OFArray.h"
#import "OFInitializationFailedException.h"
#import "OFNotImplementedException.h"
#ifdef OF_THREADS
# import "threading.h"
static of_tlskey_t first_key, last_key;
static of_tlskey_t firstKey, lastKey;
#else
static OFAutoreleasePool *first = nil, *last = nil;
static OFAutoreleasePool *firstPool = nil, *lastPool = nil;
#endif
#define GROW_SIZE 16
@implementation OFAutoreleasePool
#ifdef OF_THREADS
+ (void)initialize
{
if (self != [OFAutoreleasePool class])
return;
if (!of_tlskey_new(&first_key) || !of_tlskey_new(&last_key))
if (!of_tlskey_new(&firstKey) || !of_tlskey_new(&lastKey))
@throw [OFInitializationFailedException newWithClass: self];
}
#endif
+ (void)addObject: (id)obj
+ (void)addObject: (id)object
{
#ifdef OF_THREADS
id last = of_tlskey_get(last_key);
id lastPool = of_tlskey_get(lastKey);
#endif
if (last == nil) {
if (lastPool == nil) {
@try {
[[self alloc] init];
} @catch (id e) {
[obj release];
[object release];
@throw e;
}
#ifdef OF_THREADS
last = of_tlskey_get(last_key);
lastPool = of_tlskey_get(lastKey);
#endif
}
if (last == nil) {
[obj release];
if (lastPool == nil) {
[object release];
@throw [OFInitializationFailedException newWithClass: self];
}
@try {
[last addObject: obj];
[lastPool addObject: object];
} @catch (id e) {
[obj release];
[object release];
@throw e;
}
}
+ (void)releaseAll
{
#ifdef OF_THREADS
[of_tlskey_get(first_key) release];
[of_tlskey_get(firstKey) release];
#else
[first release];
[firstPool release];
#endif
}
- init
{
self = [super init];
@try {
#ifdef OF_THREADS
id first = of_tlskey_get(first_key);
prev = of_tlskey_get(last_key);
id firstPool = of_tlskey_get(firstKey);
previousPool = of_tlskey_get(lastKey);
if (!of_tlskey_set(last_key, self))
if (!of_tlskey_set(lastKey, self))
@throw [OFInitializationFailedException
newWithClass: isa];
#else
prev = last;
last = self;
previousPool = lastPool;
lastPool = self;
#endif
if (first == nil) {
if (firstPool == nil) {
#ifdef OF_THREADS
if (!of_tlskey_set(first_key, self)) {
of_tlskey_set(last_key, prev);
if (!of_tlskey_set(firstKey, self)) {
of_tlskey_set(lastKey, previousPool);
@throw [OFInitializationFailedException
newWithClass: isa];
}
#else
first = self;
firstPool = self;
#endif
}
if (prev != nil)
prev->next = self;
if (previousPool != nil)
previousPool->nextPool = self;
size = GROW_SIZE;
objects = [self allocMemoryForNItems: GROW_SIZE
withSize: sizeof(id)];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)addObject: (id)obj
- (void)addObject: (id)object
{
if (count + 1 > size) {
objects = [self resizeMemory: objects
toNItems: size + GROW_SIZE
withSize: sizeof(id)];
size += GROW_SIZE;
}
objects[count] = obj;
objects[count] = object;
count++;
}
- (void)releaseObjects
{
size_t i;
[next releaseObjects];
[nextPool releaseObjects];
for (i = 0; i < count; i++)
[objects[i] release];
count = 0;
}
|
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
-
+
-
+
-
+
-
-
+
+
-
-
+
+
-
-
+
+
|
[self dealloc];
}
- (void)dealloc
{
size_t i;
[next dealloc];
[nextPool dealloc];
for (i = 0; i < count; i++)
[objects[i] release];
/*
* If of_tlskey_set fails, this is a real problem. The best we can do
* is to not change the pool below the current pool and stop
* deallocation. This way, new objects will be added to the current
* pool, but released when the pool below gets released - and maybe
* the pool itself will be released as well then, because maybe
* of_tlskey_set will work this time.
*/
#ifdef OF_THREADS
if (!of_tlskey_set(last_key, prev))
if (!of_tlskey_set(lastKey, previousPool))
return;
#else
last = prev;
lastPool = previousPool;
#endif
if (prev != nil)
prev->next = nil;
if (previousPool != nil)
previousPool->nextPool = nil;
/*
* If of_tlskey_set fails here, this is even worse, as this will
* definitely be a memory leak. But this should never happen anyway.
*/
#ifdef OF_THREADS
if (of_tlskey_get(first_key) == self)
if (!of_tlskey_set(first_key, nil))
if (of_tlskey_get(firstKey) == self)
if (!of_tlskey_set(firstKey, nil))
return;
#else
if (first == self)
first = nil;
if (firstPool == self)
firstPool = nil;
#endif
[super dealloc];
}
- retain
{
|