Alan Conway closed PROTON-1063.
       Resolution: Duplicate
    Fix Version/s:     (was: Future)

> ruby: ruby reactor holds GVL in process
> ---------------------------------------
>                 Key: PROTON-1063
>                 URL: https://issues.apache.org/jira/browse/PROTON-1063
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: ruby-binding
>    Affects Versions: 0.10
>            Reporter: Alan Conway
>            Assignee: Alan Conway
> Ruby has a global lock the GVL, like python's GIL.
> The ruby binding Reactor#process blocks in pn_reactor_process while holding 
> the lock, blocking all other ruby threads.
> This is the same issue as PROTON-752, but it was only fixed for messenger, 
> not for the reactor.
> The fix is more complex, we can't simply call pn_reactor_process in 
> rb_thread_call_without_gvl() because it calls handler functions that call 
> back into ruby. We need to isolate just the blocking IO code in without_gvl 
> and restore the lock before handlers call back into ruby.

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