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| author | Matthew Draper <matthew@trebex.net> | 2016-11-30 22:22:36 +1030 |
|---|---|---|
| committer | Matthew Draper <matthew@trebex.net> | 2016-11-30 22:55:04 +1030 |
| commit | 162e889f16ceb47978fe9bc81ac0b46672f05ff0 (patch) | |
| tree | dad4cd7f849ef749c10060c50196f1b2ec670604 /actioncable/lib | |
| parent | 0e97cd1a0d3e7dbe2b99eb111e005d7c9d7002b7 (diff) | |
| download | rails-162e889f16ceb47978fe9bc81ac0b46672f05ff0.tar.gz rails-162e889f16ceb47978fe9bc81ac0b46672f05ff0.tar.bz2 rails-162e889f16ceb47978fe9bc81ac0b46672f05ff0.zip | |
Prevent race condition when launching EventMachine reactor
reactor_running? will be true just after the thread enters
EventMachine.run; reactor_thread only gets set after the internal
initialize_event_machine method has been called, the C extension is set
up, and it is entering its run loop.
Diffstat (limited to 'actioncable/lib')
| -rw-r--r-- | actioncable/lib/action_cable/subscription_adapter/evented_redis.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb b/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb index bcd46d2a0e..c3018c5281 100644 --- a/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb +++ b/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb @@ -68,10 +68,10 @@ module ActionCable end def ensure_reactor_running - return if EventMachine.reactor_running? + return if EventMachine.reactor_running? && EventMachine.reactor_thread @@mutex.synchronize do Thread.new { EventMachine.run } unless EventMachine.reactor_running? - Thread.pass until EventMachine.reactor_running? + Thread.pass until EventMachine.reactor_running? && EventMachine.reactor_thread end end end |