Differences From Artifact [343585f1c5]:
- File src/objc_properties.m — part of check-in [08f1d13520] at 2012-03-23 12:42:05 on branch runtime — Add objc_{get,set}PropertyStruct() for GCC >= 4.6. (user: js, size: 3268) [annotate] [blame] [check-ins using]
- File src/runtime/property.m — part of check-in [adbce6d8f4] at 2012-03-23 12:59:32 on branch runtime — Move objc_{properties,sync} to runtime. (user: js, size: 3268) [annotate] [blame] [check-ins using]
To Artifact [677b6f2060]:
- File
src/runtime/property.m
— part of check-in
[417b213d41]
at
2012-07-16 23:49:50
on branch trunk
— Add OF_ENSURE.
This is to be used when the condition includes a statement that needs to
be executed, as with assert, this would not be executed anymore when
NDEBUG is defined. (user: js, size: 3284) [annotate] [blame] [check-ins using]
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14 15 16 17 18 19 20 | * file. */ #include "config.h" #include <string.h> | < < > | 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | * file. */ #include "config.h" #include <string.h> #import "OFObject.h" #import "macros.h" #ifdef OF_THREADS # import "threading.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 |
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objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, BOOL atomic)
{
if (atomic) {
id *ptr = (id*)(void*)((char*)self + offset);
#ifdef OF_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
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objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, BOOL atomic)
{
if (atomic) {
id *ptr = (id*)(void*)((char*)self + offset);
#ifdef OF_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]));
@try {
return [[*ptr retain] autorelease];
} @finally {
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]));
}
#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_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]));
@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_THREADS
} @finally {
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]));
}
#endif
return;
}
id *ptr = (id*)(void*)((char*)self + offset);
|
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128 129 130 131 132 133 134 |
objc_getPropertyStruct(void *dest, const void *src, ptrdiff_t size, BOOL atomic,
BOOL strong)
{
if (atomic) {
#ifdef OF_THREADS
unsigned hash = SPINLOCK_HASH(src);
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objc_getPropertyStruct(void *dest, const void *src, ptrdiff_t size, BOOL atomic,
BOOL strong)
{
if (atomic) {
#ifdef OF_THREADS
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]));
#endif
memcpy(dest, src, size);
#ifdef OF_THREADS
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]));
#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_THREADS
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(of_spinlock_lock(&spinlocks[hash]));
#endif
memcpy(dest, src, size);
#ifdef OF_THREADS
OF_ENSURE(of_spinlock_unlock(&spinlocks[hash]));
#endif
return;
}
memcpy(dest, src, size);
}
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