Differences From Artifact [6195775ed5]:
- File src/runtime/property.m — part of check-in [8f271bed22] at 2020-12-20 03:06:55 on branch trunk — Let OF_ENSURE use OBJC_ERROR in runtime (user: js, size: 5556) [annotate] [blame] [check-ins using] [more...]
To Artifact [ead25184a1]:
- File
src/runtime/property.m
— part of check-in
[5b37fbeb82]
at
2020-12-20 21:26:08
on branch trunk
— Return error instead of using errno for threading
errno is problematic for Amiga libraries and is also not thread-safe on
some systems, even though it should. (user: js, size: 5600) [annotate] [blame] [check-ins using] [more...]
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static of_spinlock_t spinlocks[NUM_SPINLOCKS];
#endif
#ifdef OF_HAVE_THREADS
OF_CONSTRUCTOR()
{
for (size_t i = 0; i < NUM_SPINLOCKS; i++)
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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);
|
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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);
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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);
}
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