Re: CAsyncSocket::DoCallBack(WPARA-M wParam, LPARAM lParam) crash

From:
"dindin" <dindin0497@sina.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sun, 7 May 2006 09:18:33 +0800
Message-ID:
<#BCorQXcGHA.1260@TK2MSFTNGP05.phx.gbl>
Thanks very much

"dindin" <dindin0497@sina.com> ?;K^ :%23ETPgVxbGHA.3824@TK2MSFTNGP02.phx.gbl...

Hi
I start several threads to handle the incoming clients' connection
requests,
there is an strange error occurs: when I debug the codes, I found that in
the thread, everything is OK, but there seems to be that the function
"void
PASCAL CAsyncSocket::DoCallBack(WPARAM wParam, LPARAM lParam)"(start from
line 495 in "sockcore.cpp") is doing at the same time! I don't know what's
the usage of this function, but my program always failed in this
function(DoCallBack), in this part:
" pSocket = CAsyncSocket::LookupHandle((SOCKET)wParam, FALSE);
if (pSocket == NULL)
{
 // Must be in the middle of an Accept call
 pSocket = CAsyncSocket::LookupHandle(INVALID_SOCKET, FALSE);
 ASSERT(pSocket != NULL);
 pSocket->m_hSocket = (SOCKET)wParam;
 CAsyncSocket::DetachHandle(INVALID_SOCKET, FALSE);
 CAsyncSocket::AttachHandle(pSocket->m_hSocket, pSocket, FALSE);
}"
at the line: "ASSERT(pSocket != NULL);"(line 512).

I don't know what this error means, hope someone can help me.

Thanx a lot!!!

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