close_io_channel — Close I/O channels.
close_io_channel( : : IOChannelHandle : )
The operator close_io_channel closes transmission channels opened by open_io_channel. The references to the channels are passed in IOChannelHandle. In particular, allocated memory and reserved device resources are released.
Handles of the opened I/O channels.
If the parameters are valid, the operator close_io_channel 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.