(PECL ev >= 0.2.0)
Ev::resume — Resume previously suspended default event loop
Ev::suspend() and Ev::resume() methods suspend and resume a loop correspondingly.
All timer watchers will be delayed by the time spend between suspend and resume , and all periodic watchers will be rescheduled(that is, they will lose any events that would have occurred while suspended).
Calling suspend / resume has the side effect of updating the event loop time(see Ev::nowUpdate() ).
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