IOCTL_SERIAL_CLR_RTS IOCTL

The IOCTL_SERIAL_CLR_RTS request clears the request to send (RTS) control signal.

To set RTS, a client can use an IOCTL_SERIAL_SET_RTS request.

If the handshake flow control of the device is configured to automatically use RTS, a client cannot clear or set RTS.

Major Code

IRP_MJ_DEVICE_CONTROL

Input Buffer

None.

Input Buffer Length

None.

Output Buffer

None.

Output Buffer Length

None.

Status Block

The Information member is set to zero.

Requirements

   
Header ntddser.h (include Ntddser.h)

See Also

IOCTL_SERIAL_SET_RTS