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Home » U++ Library support » U++ MT-multithreading and servers » httpRequests in secondary non-gui-main Thread (if memory leaks come from http.buffer?)

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Re: httpRequests in secondary non-gui-main Thread [message #55359 is a reply to message #55330]

Mon, 02 November 2020 11:57

mirek is currently offline

mirek
Messages: 13975
Registered: November 2005

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JeyCi wrote on Sat, 31 October 2020 11:38

Klugier wrote on Sat, 31 October 2020 11:18
Without the code it will be difficult to diagnose what is causing the problem.

well... it can take time... I just saw such variable in debugger (with multiple FreeFreeFree...) when I had a memory leak... the first question is just about - does it really mean that the memory is being allocated, but not freed?..

If you see pointer pointing to "FreeFreeFree....", it most likely means that it points to the memory that was already deallocated.

In debug mode, U++ allocator fills the memory with this pattern on deallocation. Then when the same block is allocated again, it checks that the pattern is unchanged. If it is not, it would means something has written to that memory after it was deallocated, which is a sign of dangling pointer problem. In that case the app is aborted (in debug).

Mirek

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[Message index]

		httpRequests in secondary non-gui-main Thread By: JeyCi on Fri, 30 October 2020 18:20
		Re: httpRequests in secondary non-gui-main Thread By: Klugier on Sat, 31 October 2020 11:18
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Sat, 31 October 2020 11:38
		Re: httpRequests in secondary non-gui-main Thread By: Klugier on Sat, 31 October 2020 15:02
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Sat, 31 October 2020 16:01
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Sat, 31 October 2020 17:34
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Tue, 03 November 2020 08:07
		Re: httpRequests in secondary non-gui-main Thread By: mirek on Tue, 03 November 2020 09:08
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Tue, 03 November 2020 13:40
		Re: httpRequests in secondary non-gui-main Thread By: mirek on Tue, 03 November 2020 13:57
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Tue, 03 November 2020 15:07
		Re: httpRequests in secondary non-gui-main Thread By: mirek on Tue, 03 November 2020 15:46
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Tue, 03 November 2020 18:46
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Fri, 06 November 2020 03:57
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Fri, 06 November 2020 13:03
		Re: httpRequests in secondary non-gui-main Thread By: mirek on Tue, 03 November 2020 13:59
		Re: httpRequests in secondary non-gui-main Thread By: JeyCi on Mon, 07 December 2020 08:01
		Re: httpRequests in secondary non-gui-main Thread By: mirek on Fri, 11 December 2020 15:48
		Re: httpRequests in secondary non-gui-main Thread By: mirek on Mon, 02 November 2020 11:57

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