PostQueuedCompletionStatus
The PostQueuedCompletionStatus
function lets you post an I/O completion packet to an I/O completion port. The
I/O completion packet will satisfy an outstanding call to the GetQueuedCompletionStatus function. The GetQueuedCompletionStatus
function returns with the three values passed as the second, third, and
fourth parameters of the call to PostQueuedCompletionStatus.
BOOL PostQueuedCompletionStatus(
|
HANDLE CompletionPort, |
// handle to an I/O
completion port |
|
DWORD dwNumberOfBytesTransferred, |
// value to return
via |
|
DWORD dwCompletionKey, |
// value to return
via |
|
LPOVERLAPPED lpOverlapped |
// value to return
via |
|
); |
|
Parameters
CompletionPort
Handle to an
I/O completion port that you want to post an I/O completion packet to.
dwNumberOfBytesTransferred
Specifies a
value to be returned through the lpNumberOfBytesTransferred parameter of
the GetQueuedCompletionStatus
function.
dwCompletionKey
Specifies a
value to be returned through the lpCompletionKey parameter of the GetQueuedCompletionStatus
function.
lpOverlapped
Specifies a
value to be returned through the lpOverlapped parameter of the GetQueuedCompletionStatus function.
Return Values
If the
function succeeds, the return value is nonzero.
If the
function fails, the return value is zero. To get extended error information,
call GetLastError
.
Remarks
For more
information concerning dwNumberOfBytesTransferred, dwCompletionKey,
and lpOverlapped, see GetQueuedCompletionStatus and the
descriptions of the parameters those values are returned through.
See Also