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Define 'tick' #141

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Merged
merged 4 commits into from
Jan 28, 2017
Merged

Define 'tick' #141

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5cbc42d
Define 'tick'
kelunik Jan 13, 2017
6884501
Fix typo
kelunik Jan 13, 2017
7f3a0db
Remove timer / io callback order
kelunik Jan 20, 2017
f648dd5
Add pending signals to third tick step
kelunik Jan 22, 2017
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8 changes: 7 additions & 1 deletion src/Loop/Driver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,13 @@ abstract class Driver
private $registry = [];

/**
* Start the event loop.
* Run the event loop.
*
* One iteration of the loop is called one "tick". A tick covers the following steps:
*
* 1. Activate watchers created / enabled in the last tick / before `run()`.
* 2. Execute all enabled defer watchers.
* 3. Execute all due timer, pending signal and actionable stream callbacks, each only once per tick.
*
* The loop MUST continue to run until it is either stopped explicitly, no referenced watchers exist anymore, or an
* exception is thrown that cannot be handled. Exceptions that cannot be handled are exceptions thrown from an
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