Alan Conway created PROTON-1063:
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Summary: 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
Fix For: 0.12.0
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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