close_io_channelT_close_io_channelCloseIoChannelCloseIoChannelclose_io_channel (Operator)

Name

close_io_channelT_close_io_channelCloseIoChannelCloseIoChannelclose_io_channel — Close I/O channels.

Signature

close_io_channel( : : IOChannelHandle : )

Description

The operator close_io_channelclose_io_channelCloseIoChannelCloseIoChannelCloseIoChannelclose_io_channel closes transmission channels opened by open_io_channelopen_io_channelOpenIoChannelOpenIoChannelOpenIoChannelopen_io_channel. The references to the channels are passed in IOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleiochannel_handle. In particular, allocated memory and reserved device resources are released.

Execution Information

Multithreading type: reentrant (runs in parallel with non-exclusive operators).
Multithreading scope: global (may be called from any thread).
Processed without parallelization.

This operator modifies the state of the following input parameter:

IOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleiochannel_handle

During execution of this operator, access to the value of this parameter must be synchronized if it is used across multiple threads.

Parameters

IOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleiochannel_handle (input_control, state is modified) io_channel(-array) → (handle)

Handles of the opened I/O channels.

Result

If the parameters are valid, the operator close_io_channelclose_io_channelCloseIoChannelCloseIoChannelCloseIoChannelclose_io_channel returns the value 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_infoget_extended_error_infoGetExtendedErrorInfoGetExtendedErrorInfoGetExtendedErrorInfoget_extended_error_info.

Possible Predecessors

open_io_channelopen_io_channelOpenIoChannelOpenIoChannelOpenIoChannelopen_io_channel

Possible Successors

close_io_deviceclose_io_deviceCloseIoDeviceCloseIoDeviceCloseIoDeviceclose_io_device

Module

Foundation

Operators