dmitry at baikal.ru
Sun Mar 13 07:22:08 CST 2005
"Eric Pouech" <pouech-eric at wanadoo.fr> wrote:
> >>>For asynchronous read operations, hFile can be any handle opened with the
> >>>FILE_FLAG_OVERLAPPED flag by the CreateFile function, or a socket handle returned
> >>>by the socket or accept function.
> >>which means that ReadFile() only works on socket for async reads, not sync
> >>reads. I'll precise this.
> > Did you actually test this? We need a knowledge, not a speculation.
> I did. See attached test and it fails on XP. Note that ReadFile works on socket
> (overlapped op), while WriteFile (synchronous operation) doesn't.
Your test passes on win2k SP4 for me, but hangs on win98. Uncommented WriteFile
call failes and doesn't change a previous error value, but that might be due to
different reasons: missing OVERLAPPED pointer, incompatible socket open mode, or
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