close_io_channelT_close_io_channelCloseIoChannelCloseIoChannelclose_io_channel (算子)

名称

close_io_channelT_close_io_channelCloseIoChannelCloseIoChannelclose_io_channel — 关闭输入/输出通道。

close_io_channel( : : IOChannelHandle : )

算子 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.

此算子修改后续输入参数的状态：

在执行此算子时，若该参数值需在多个线程间使用，则必须对其访问进行同步。

IOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleIOChannelHandleiochannel_handle (输入控制，状态被修改) io_channel(-array) → (handle)

Handles of the opened I/O channels.

如果参数有效，算子 close_io_channelclose_io_channelCloseIoChannelCloseIoChannelCloseIoChannelclose_io_channel 返回值 2 ( H_MSG_TRUE )。如有必要，则抛出异常。在这种情况下，可以设置扩展错误信息，并可进行查询通过算子 get_extended_error_infoget_extended_error_infoGetExtendedErrorInfoGetExtendedErrorInfoGetExtendedErrorInfoget_extended_error_info。

基础