Close access to a device.
Source position: exec.pas line 1995
procedure CloseDevice( |
ioRequest: PIORequest |
); |
ioRequest |
|
A pointer to an I/O request structure |
This function informs the device that access to a device/unit previously opened has been concluded. The device may perform certain house-cleaning operations.
The user must ensure that all outstanding IORequests have been returned before closing the device. The AbortIO function can kill any stragglers.
After a close, the I/O request structure is free to be reused.
|
Open a device for use |