On 09.07.2012, at 18:03, Fritz Anderson wrote:
> You can break this by having a strong reference to self that the block can
> manage independently.
>
> __block MyClass * blockSelf = self;
> [self.operationQueue addOperationWithBlock:^{
> [blockSelf bar];
> blockSelf = nil;
> }];
Thank you Fritz for your answer.
But if I break the cycle and if I understand it correctly, 'self' won't be
retained anymore within the block. If there are no more references to 'self'
(except one possibly within the block), I fear 'self' will be destroyed before
the block executes. I do require, though, that 'self' will be valid as long as
the block is not finished.
Note: I'm using ARC in which case a retainable pointer declared with __block
will be retained (as opposed to manual ref counting), so I should use __weak or
__unsafe_unretained instead of __block to break the cycle (if that is what I
have to do).
Andreas
_______________________________________________
Cocoa-dev mailing list ([email protected])
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to [email protected]
