SPORT_CANCEL_IO (W*32, W*64)

 

Serial Port I/O Function: Cancels any I/O in progress to the specified port.

Module

USE IFPORT

Syntax

result = SPORT_CANCEL_IO (port)

port

(Input) Integer. The port number.

Results

The result type is INTEGER(4). The result is zero if successful; otherwise, a Windows* error value.

Note iconNote

This call also kills the thread that keeps an outstanding read operation to the serial port. This call must be done before any of the port characteristics are modified.

Compatibility

CONSOLE STANDARD GRAPHICS QUICKWIN GRAPHICS WINDOWS DLL LIB

Example

USE IFPORT

INTEGER(4) iresult

iresult = SPORT_CANCEL_IO( 2 )

END

See Also