emmenlau opened a new pull request #2232:
URL: https://github.com/apache/thrift/pull/2232


   Currently the C++ server does not ensure that `listening_` is `true` in 
`isOpen()`. I think this is incorrect because in multi-threaded environments, 
the socket may not be open or listening yet. Also, `listening_` should only be 
set to `true` when the socket is fully set up and listening.
   
   This PR adds a minor change: it respects `listening_` for `isOpen()`, and 
sets `listening_` to `true` only at the end of spcket initialization. In heavy 
stress tests, we found this makes the server method `isOpen()` more reliable.
   
   Thanks for consideration.
   
   - [ ] Did you create an [Apache 
Jira](https://issues.apache.org/jira/projects/THRIFT/issues/) ticket?  (not 
required for trivial changes)
   - [ ] If a ticket exists: Does your pull request title follow the pattern 
"THRIFT-NNNN: describe my issue"?
   - [x] Did you squash your changes to a single commit?  (not required, but 
preferred)
   - [x] Did you do your best to avoid breaking changes?  If one was needed, 
did you label the Jira ticket with "Breaking-Change"?
   - [x] If your change does not involve any code, include `[skip ci]` anywhere 
in the commit message to free up build resources.


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