close_io_device — Close the specified I/O device.
close_io_device( : : IODeviceHandle : )
The operator close_io_device closes the I/O device specified by IODeviceHandle. In particular, all associated channels are closed (i.e., close_io_channel is called implicitly on all channels that had been opened for this device) and allocated memory for data buffers is released.
Handle of the opened I/O device.
If the parameters are valid, the operator close_io_device returns the value 2 (H_MSG_TRUE). If necessary an exception is raised. In this case, an extended error information may be set and can be queried with the operator get_extended_error_info.