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
92
93
94
95
96
|
#import "ObjFWRT.h"
#import "private.h"
#ifdef OF_HAVE_THREADS
# import "mutex.h"
# define NUM_SPINLOCKS 8 /* needs to be a power of 2 */
# define SPINLOCK_HASH(p) ((unsigned)((uintptr_t)p >> 4) & (NUM_SPINLOCKS - 1))
static of_spinlock_t spinlocks[NUM_SPINLOCKS];
#endif
#ifdef OF_HAVE_THREADS
OF_CONSTRUCTOR()
{
for (size_t i = 0; i < NUM_SPINLOCKS; i++)
if (of_spinlock_new(&spinlocks[i]) != 0)
OBJC_ERROR("Failed to initialize spinlocks!");
}
#endif
id
objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, bool atomic)
{
if (atomic) {
id *ptr = (id *)(void *)((char *)self + offset);
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]) == 0);
@try {
return [[*ptr retain] autorelease];
} @finally {
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]) == 0);
}
#else
return [[*ptr retain] autorelease];
#endif
}
return *(id *)(void *)((char *)self + offset);
}
void
objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id value, bool atomic,
signed char copy)
{
if (atomic) {
id *ptr = (id *)(void *)((char *)self + offset);
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]) == 0);
@try {
#endif
id old = *ptr;
switch (copy) {
case 0:
*ptr = [value retain];
break;
case 2:
*ptr = [value mutableCopy];
break;
default:
*ptr = [value copy];
}
[old release];
#ifdef OF_HAVE_THREADS
} @finally {
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]) == 0);
}
#endif
return;
}
id *ptr = (id *)(void *)((char *)self + offset);
|
|
|
|
|
|
|
|
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
92
93
94
95
96
|
#import "ObjFWRT.h"
#import "private.h"
#ifdef OF_HAVE_THREADS
# import "mutex.h"
# define NUM_SPINLOCKS 8 /* needs to be a power of 2 */
# define SPINLOCK_HASH(p) ((unsigned)((uintptr_t)p >> 4) & (NUM_SPINLOCKS - 1))
static OFSpinlock spinlocks[NUM_SPINLOCKS];
#endif
#ifdef OF_HAVE_THREADS
OF_CONSTRUCTOR()
{
for (size_t i = 0; i < NUM_SPINLOCKS; i++)
if (OFSpinlockNew(&spinlocks[i]) != 0)
OBJC_ERROR("Failed to initialize spinlocks!");
}
#endif
id
objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, bool atomic)
{
if (atomic) {
id *ptr = (id *)(void *)((char *)self + offset);
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
OF_ENSURE(OFSpinlockLock(&spinlocks[hash]) == 0);
@try {
return [[*ptr retain] autorelease];
} @finally {
OF_ENSURE(OFSpinlockUnlock(&spinlocks[hash]) == 0);
}
#else
return [[*ptr retain] autorelease];
#endif
}
return *(id *)(void *)((char *)self + offset);
}
void
objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id value, bool atomic,
signed char copy)
{
if (atomic) {
id *ptr = (id *)(void *)((char *)self + offset);
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
OF_ENSURE(OFSpinlockLock(&spinlocks[hash]) == 0);
@try {
#endif
id old = *ptr;
switch (copy) {
case 0:
*ptr = [value retain];
break;
case 2:
*ptr = [value mutableCopy];
break;
default:
*ptr = [value copy];
}
[old release];
#ifdef OF_HAVE_THREADS
} @finally {
OF_ENSURE(OFSpinlockUnlock(&spinlocks[hash]) == 0);
}
#endif
return;
}
id *ptr = (id *)(void *)((char *)self + offset);
|
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
|
objc_getPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
if (atomic) {
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]) == 0);
#endif
memcpy(dest, src, size);
#ifdef OF_HAVE_THREADS
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]) == 0);
#endif
return;
}
memcpy(dest, src, size);
}
void
objc_setPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
if (atomic) {
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]) == 0);
#endif
memcpy(dest, src, size);
#ifdef OF_HAVE_THREADS
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]) == 0);
#endif
return;
}
memcpy(dest, src, size);
}
|
|
|
|
|
|
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
|
objc_getPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
if (atomic) {
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(OFSpinlockLock(&spinlocks[hash]) == 0);
#endif
memcpy(dest, src, size);
#ifdef OF_HAVE_THREADS
OF_ENSURE(OFSpinlockUnlock(&spinlocks[hash]) == 0);
#endif
return;
}
memcpy(dest, src, size);
}
void
objc_setPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
if (atomic) {
#ifdef OF_HAVE_THREADS
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(OFSpinlockLock(&spinlocks[hash]) == 0);
#endif
memcpy(dest, src, size);
#ifdef OF_HAVE_THREADS
OF_ENSURE(OFSpinlockUnlock(&spinlocks[hash]) == 0);
#endif
return;
}
memcpy(dest, src, size);
}
|