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urlmon: Fix timing issue with FLAG_REQUEST_COMPLETE and InternetQueryDataAvailable in HttpProtocol.

This commit is contained in:
Misha Koshelev 2007-07-23 20:29:55 -05:00 committed by Alexandre Julliard
parent 827644ad71
commit 9bcb9c16ec
1 changed files with 7 additions and 1 deletions
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8
dlls/urlmon/http.c
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@ -725,11 +725,14 @@ static HRESULT WINAPI HttpProtocol_Read(IInternetProtocol *iface, void *pv,
{
if (This->available_bytes == 0)
{
/* InternetQueryDataAvailable may immediately fork and perform its asynchronous
* read, so clear the flag _before_ calling so it does not incorrectly get cleared
* after the status callback is called */
This->flags &= ~FLAG_REQUEST_COMPLETE;
if (!InternetQueryDataAvailable(This->request, &This->available_bytes, 0, 0))
{
if (GetLastError() == ERROR_IO_PENDING)
{
This->flags &= ~FLAG_REQUEST_COMPLETE;
hres = E_PENDING;
}
else
@ -778,6 +781,9 @@ done:
if (pcbRead)
*pcbRead = read;
if (hres != E_PENDING)
This->flags |= FLAG_REQUEST_COMPLETE;
return hres;
}