EvPrepare (class)
The EvPrepare class
Introduction
(PECL ev >= 0.2.0)
EvPrepare and EvCheck watchers are usually used in pairs. EvPrepare watchers get invoked before the process blocks, EvCheck afterwards.
It is not allowed to call EvLoop::run() or similar methods or functions that enter the current event loop from either EvPrepare or EvCheck watchers. Other loops than the current one are fine, however. The rationale behind this is that one don't need to check for recursion in those watchers, i.e. the sequence wi