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IOCTL_SERIAL_SET_BREAK_OFF IOCTL (ntddser.h)

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The IOCTL_SERIAL_SET_BREAK_OFF request sets the line control break signal inactive.

To set the line control break signal active, a client can use an IOCTL_SERIAL_SET_BREAK_ON request.

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.

The Status member is to one of the Generic Status Values for Serial Device Control Requests.

Requirements

Requirement Value
Header ntddser.h (include Ntddser.h)

See also

IOCTL_SERIAL_SET_BREAK_ON