errno-stream-error

A subclass of stream-error (see More on cl:stream-error in errors.htm). This condition has five slots. The first four are inherited from the Allegro CL implementation of stream-error:

• stream: the stream which got the error. This is the standard CL slot and is accessed by stream-error-stream.
• action: the action that was being attempted at the time of the error, accessed by stream-error-action.
• code: the errno code returned from the system, nil if none. Accessed by stream-error-code.
• identifier: symbolic identification of the code, or nil if unknown. Accessed by stream-error-identifier.

The fifth slot is string and is accessed by stream-error-string.

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Created 2019.8.20.