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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