The list of names used for concrete error callbacks and a short description of the corresponding class of operating system level error is as follows:
| Error callback name | Meaning | 
|---|---|
| accessError | insufficient access rights | 
| addressError | address (i.e. (host,port)) in use or invalid | 
| badMsgError | (EBADMSG, hardly documented in man page) | 
| connBrokenError | connection has become unusable | 
| eosError | unexpected end-of-stream | 
| getHostError | error when getting hostname | 
| internalError | should not happen; please report if it does! | 
| intrError | operation interrupted by signal | 
| refusedError | connection refused by peer | 
| resourceError | too few file descriptors/buffers etc. | 
| timedOut | specified timeout period has expired | 
| timedOutInTransfer | timed out, and some data have been transferred | 
| unknownError | OS reports unknown errno (new OS?) | 
| usageError | e.g. you must initialize port before connecting | 
| Process Libraries - Reference Manual | © 1994-2004 Mjølner Informatics | [Modified: Friday October 20th 2000 at 14:22]
 |