Re: Reading Serial Port

From:
"David Ching" <dc@remove-this.dcsoft.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 6 Feb 2008 08:42:57 -0800
Message-ID:
<Uqlqj.3900$uE.272@newssvr22.news.prodigy.net>
"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp> wrote in message
news:uMRZKZNaIHA.1164@TK2MSFTNGP02.phx.gbl...

"clinisbut" <clinisbut@gmail.com> wrote in message
news:fd46315b-cfa9-4ac7-95e6-45a9690c1d6e@d21g2000prf.googlegroups.com...

Sorry, I look better for the problem and I found that actually it pass
ok through that WFSO( pReaderThread->m_hThread, INFINITE ). That was
another problem (not related) and all code is executed, but still with
that memory leak:

MySerial.cpp(21) : {120} client block at 0x00432410, subtype 0, 224
bytes long. a MySerial object at $00432410, 224 bytes long
That points to
 IMPLEMENT_DYNCREATE(MySerial, CWinThread)
in my header.


If I recall correctly, you turned off m_bAutoDelete. And now the thread
is closing properly and WFSO returns OK, meaning the thread has exited.
When you turn off m_bAutoDelete it means you are responsible for the
deleting. Why are you surprised that with m_bAutoDelete off it does not
get deleted?

So after WFSO returns you should do CloseHandle on all open handles,
including pReaderThread->m_hThread, and then delete pReaderThread.


The object not being deleted is MySerial, not the reader thread. The reader
thread is a worker thread and has no CWinThread object to delete.

What is confusing is he has to destroy both MySerial and the reader thread,
and he calls WFSO on both of them.

-- David

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