Returns the read or write status of an async-io-state.
comm
async-io-state-read-status async-io-state => read-status
async-io-state-write-status async-io-state => write-status
|   async-io-state⇩  |    
An async-io-state.  | 
|   read-status⇩  |   nil, :eof, :timeout or an error value. | 
|   write-status⇩  |   nil, :eof, :timeout or an error value. | 
The function async-io-state-read-status returns the read status of async-io-state. read-status is nil for a working socket, :eof for end of file, :timeout if a timeout has occurred or some other values meaning an error has occurred.
The function async-io-state-write-status returns the write status of async-io-state. write-status is nil for a working socket, :eof for end of file, :timeout if a timeout has occurred or some other values meaning an error has occurred.
async-io-state
25.8.2 The Async-I/O-State API
25 TCP and UDP socket communication and SSL
LispWorks® User Guide and Reference Manual - 18 Feb 2025 15:32:11