parallel\Events::poll
PHP function
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(0.9.0)
Polling
Description
parallel\Events::poll(): parallel\Events\Event|null
Shall poll for the next event
Return Values
Should there be no targets remaining, null shall be returned
Should this be a non-blocking loop, and blocking would occur, null shall be returned
Otherwise, the parallel\Events\Event returned describes the event.
Exceptions
Warning
Shall throw parallel\Events\Error\Timeout if timeout is used and reached.