Identifier: async_channel
Identifier: async_channelchannel
The channel currently being used to process asynchronous Fire Hose protocol binary events.
Such events occur when data is available on a binary listening channel and typically include Fire macros to be executed. Within the macros it is sometimes useful to know on which channel the event occured. The value of this identifier supplies this. When Fire is not executing an asynchronous binary channel event, this identifier has a null value.
A binary listening channel is opened by the open -li or open -ip commands.
This identifier is maintained automatically by the system and cannot be redefined.
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