The GetNamedPipeHandleState function retrieves information about a specified named pipe. The information returned can vary during the lifetime of an instance of the named pipe.
BOOL GetNamedPipeHandleState(
HANDLE hNamedPipe, |
// handle of named pipe |
LPDWORD lpState, |
// address of flags indicating pipe state |
LPDWORD lpCurInstances, |
// address of number of current pipe instances |
LPDWORD lpMaxCollectionCount, |
// address of max. bytes before remote transmission |
LPDWORD lpCollectDataTimeout, |
// address of max. time before remote transmission |
LPTSTR lpUserName, |
// address of user name of client process |
DWORD nMaxUserNameSize |
// size, in characters, of user name buffer |
); |
Value |
Meaning |
PIPE_NOWAIT |
The pipe handle is in nonblocking mode. If this flag is not specified, the pipe handle is in blocking mode. |
PIPE_READMODE_MESSAGE |
The pipe handle is in message-read mode. If this flag is not specified, the pipe handle is in byte-read mode. |
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.
The GetNamedPipeHandleState function returns successfully even if all of the pointers passed to it are NULL.
To set the pipe handle state, use the SetNamedPipeHandleState function.
file: /Techref/os/win/api/win32/func/src/f35_7.htm, 5KB, , updated: 2000/4/7 11:19, local time: 2024/12/7 21:44,
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