// When Blocks or Block_byrefs hold objects their destroy helper routines call this entry point
// to help dispose of the contents
// Used initially only for __attribute__((NSObject)) marked pointers.
void _Block_object_dispose(const void *object, const int flags) {
//printf("_Block_object_dispose(%p, %x)\n", object, flags);
if (flags & BLOCK_FIELD_IS_BYREF) {
// get rid of the __block data structure held in a Block
_Block_byref_release(object);
}
else if ((flags & (BLOCK_FIELD_IS_BLOCK|BLOCK_BYREF_CALLER)) == BLOCK_FIELD_IS_BLOCK) {
// get rid of a referenced Block held by this Block
// (ignore __block Block variables, compiler doesn't need to call us)
_Block_destroy(object);
}
else if ((flags & (BLOCK_FIELD_IS_WEAK|BLOCK_FIELD_IS_BLOCK|BLOCK_BYREF_CALLER)) == BLOCK_FIELD_IS_OBJECT) {
// get rid of a referenced object held by this Block
// (ignore __block object variables, compiler doesn't need to call us)
_Block_release_object(object);
}
}
// When Blocks or Block_byrefs hold objects their destroy helper routines call this entry point
// to help dispose of the contents
// Used initially only for __attribute__((NSObject)) marked pointers.
void _Block_object_dispose(const void *object, const int flags) {
switch (osx_assumes(flags & BLOCK_ALL_COPY_DISPOSE_FLAGS)) {
case BLOCK_FIELD_IS_BYREF | BLOCK_FIELD_IS_WEAK:
case BLOCK_FIELD_IS_BYREF:
// get rid of the __block data structure held in a Block
_Block_byref_release(object);
break;
case BLOCK_FIELD_IS_BLOCK:
_Block_destroy(object);
break;
case BLOCK_FIELD_IS_OBJECT:
_Block_release_object(object);
break;
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT:
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK:
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT | BLOCK_FIELD_IS_WEAK:
case BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK | BLOCK_FIELD_IS_WEAK:
break;
default:
break;
}
}