IOCTL_SERIAL_SET_BREAK_ON - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntddser.h

// CTL_CODE(0x001b, 0x004, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_SERIAL_SET_BREAK_ON 0x001B0010
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Windows Driver Kit DDI reference (ni-ntddser-ioctl_serial_set_break_on)

IOCTL_SERIAL_SET_BREAK_ON IOCTL

Description

The IOCTL_SERIAL_SET_BREAK_ON request sets the line control break signal active.

To set the line control break signal inactive, a client can use an IOCTL_SERIAL_SET_BREAK_OFF request.

Parameters

Major code

Input buffer

None.

Input buffer length

None.

Output buffer

None.

Output buffer length

None.

Input/output buffer

Input/output buffer length

Status block

The Information member is set to zero.

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

See also

IOCTL_SERIAL_SET_BREAK_OFF

View the official Windows Driver Kit DDI reference

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