close_io_deviceT_close_io_deviceCloseIoDeviceCloseIoDeviceclose_io_device (算子名称)

名称

close_io_deviceT_close_io_deviceCloseIoDeviceCloseIoDeviceclose_io_device — Close the specified I/O device.

close_io_device( : : IODeviceHandle : )

该算子 close_io_deviceclose_io_deviceCloseIoDeviceCloseIoDeviceCloseIoDeviceclose_io_device closes the I/O device specified by IODeviceHandleIODeviceHandleIODeviceHandleIODeviceHandleIODeviceHandleiodevice_handle. In particular, all associated channels are closed (i.e., close_io_channelclose_io_channelCloseIoChannelCloseIoChannelCloseIoChannelclose_io_channel is called implicitly on all channels that had been opened for this device) and allocated memory for data buffers is released.

This operator modifies the state of the following input parameter:

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

IODeviceHandleIODeviceHandleIODeviceHandleIODeviceHandleIODeviceHandleiodevice_handle (input_control, state is modified) io_device → (handle)

Handle of the opened I/O device.

如果参数均有效，算子 close_io_deviceclose_io_deviceCloseIoDeviceCloseIoDeviceCloseIoDeviceclose_io_device 返回值 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 该算子 get_extended_error_infoget_extended_error_infoGetExtendedErrorInfoGetExtendedErrorInfoGetExtendedErrorInfoget_extended_error_info.

Foundation