[PROTON-1618] Give unambiguous indication when server listen operation succeeds or fails

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: proton-c-0.18.0
• Component/s: proton-c
• Labels: api
• Assignee: Alan Conway
• Reporter: Justin Ross
• Created: 10/Oct/17 14:25
• Updated: 24/Oct/17 08:45
• Resolved: 13/Oct/17 12:55

Description

The C proactor API provides events to indicate when an async listen operation has succeeded or failed, but the semantics are a little unclear. The C++ API lacks the required events.

Simplify & clarify the C API, and add the missing events in C++.