both allocate a new pool AND drain it each iteration of the loop
while( 1 )
{
pool = [ [ NSAutoReleasePool alloc ] init ];
// do stuff
[ pool drain ];
}
On 22-May-2011, at 11:28 AM, Tony Romano wrote:
> Unless I misread the documentation on drain, adding a [pool drain]will
> cause the pool to be deallocated. I tried it anyways, and I get a couple
> of emits in the console.
>
> // This message emits when a call to the getter is made
> 2011-05-21 20:23:39.515 LeakyThread[5947:5707] ***
> __NSAutoreleaseNoPool(): Object 0x10011d720 of class NSCFString
> autoreleased with no pool in place - just leaking
>
> // This message emits when a call to pool drain is called.
> 2011-05-21 20:23:39.515 LeakyThread[5947:5707] *** -[NSAutoreleasePool
> drain]: This pool has already been drained, do not release it (double
> release).
>
>
> Still not sure what the problem is.
> Tony Romano
>
>
>
> On 5/21/11 6:58 PM, "Ken Thomases" <k...@codeweavers.com> wrote:
>
>> On May 21, 2011, at 3:27 PM, Tony Romano wrote:
>>
>>> I am running into an issue using a synthesized getter in a thread.
>>> Observing memory consumed by the application in Activity Monitor, memory
>>> continues to grow ~200k per sample until the OS gives an Out Of Memory
>>> warning. If I code my own getter, the app behaves as expected. I have
>>> striped it down to basically one call as follows:
>>>
>>> -(void) process:(LeakyThreadAppDelegate *) myDelegate
>>>
>>> {
>>>
>>> NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
>>>
>>> // Extract the object that contains the thread object
>>>
>>> SomeClass *obj = [myDelegate myClass];
>>>
>>> NSLog(@"Thread Starting");
>>>
>>> // Simplified to illustrate the problem
>>>
>>> while (1) {
>>>
>>>
>>>
>>> if ([[obj thread] isCancelled] == YES) {
>>>
>>> break;
>>>
>>> }
>>>
>>> }
>>>
>>> NSLog(@"Thread Cancelled");
>>>
>>> [pool release];
>>>
>>> }
>>>
>>>
>>> Any clues as to what is wrong? Thanks In Advance.
>>
>> A synthesized getter is entitled to put objects into the autorelease
>> pool. The above code does not drain the pool until after the thread is
>> cancelled. Everything autoreleased before then just accumulates. Try
>> draining the pool each iteration of the loop.
>>
>> Regards,
>> Ken
>>
>>
>
>
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