2011/9/22 Krzysztof <dib...@wp.pl>: > Hi, > > I have some object which create and execute thread. This thread do some http > requests (synapse) and send progress to the object by > Application.QueueAsyncCall(MyObject.MyHandleProc, AProgress), it is designed > for multithread - have critical section, so I can call it from thread to > main thread. But I have problem which occurs some times. In object > destructor I clear async queue by calling Application.RemoveAsyncCalls > (which is thread safe too). But if thread waiting in critical section > (because main thread block it with RemoveAsyncCalls) then after main thread > leave critical section, thread post progress but should not because object > is going to destroy. This occurs Access violation in ProcessAsyncCallQueue > because method MyObject.MyHandleProc doesn't exists any more, this is only > pointer to that method. Can ProcessAsyncCallQueue some how check if target > still exists? > > Regards >
Why not destroy it with Queued call too? -Flávio -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
