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79 | package EV; |
79 | package EV; |
80 | |
80 | |
81 | use common::sense; |
81 | use common::sense; |
82 | |
82 | |
83 | BEGIN { |
83 | BEGIN { |
84 | our $VERSION = '3.9'; |
84 | our $VERSION = '4.00'; |
85 | use XSLoader; |
85 | use XSLoader; |
86 | XSLoader::load "EV", $VERSION; |
86 | XSLoader::load "EV", $VERSION; |
87 | } |
87 | } |
88 | |
88 | |
89 | @EV::IO::ISA = |
89 | @EV::IO::ISA = |
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299 | timeout. Otherwise a EV::timer with this value will be started. |
299 | timeout. Otherwise a EV::timer with this value will be started. |
300 | |
300 | |
301 | When an error occurs or either the timeout or I/O watcher triggers, then |
301 | When an error occurs or either the timeout or I/O watcher triggers, then |
302 | the callback will be called with the received event set (in general |
302 | the callback will be called with the received event set (in general |
303 | you can expect it to be a combination of C<EV::ERROR>, C<EV::READ>, |
303 | you can expect it to be a combination of C<EV::ERROR>, C<EV::READ>, |
304 | C<EV::WRITE> and C<EV::TIMEOUT>). |
304 | C<EV::WRITE> and C<EV::TIMER>). |
305 | |
305 | |
306 | EV::once doesn't return anything: the watchers stay active till either |
306 | EV::once doesn't return anything: the watchers stay active till either |
307 | of them triggers, then they will be stopped and freed, and the callback |
307 | of them triggers, then they will be stopped and freed, and the callback |
308 | invoked. |
308 | invoked. |
309 | |
309 | |
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366 | |
366 | |
367 | Each watcher type has its associated bit in revents, so you can use the |
367 | Each watcher type has its associated bit in revents, so you can use the |
368 | same callback for multiple watchers. The event mask is named after the |
368 | same callback for multiple watchers. The event mask is named after the |
369 | type, i.e. EV::child sets EV::CHILD, EV::prepare sets EV::PREPARE, |
369 | type, i.e. EV::child sets EV::CHILD, EV::prepare sets EV::PREPARE, |
370 | EV::periodic sets EV::PERIODIC and so on, with the exception of I/O events |
370 | EV::periodic sets EV::PERIODIC and so on, with the exception of I/O events |
371 | (which can set both EV::READ and EV::WRITE bits), and EV::timer (which |
371 | (which can set both EV::READ and EV::WRITE bits). |
372 | uses EV::TIMEOUT). |
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373 | |
372 | |
374 | In the rare case where one wants to create a watcher but not start it at |
373 | In the rare case where one wants to create a watcher but not start it at |
375 | the same time, each constructor has a variant with a trailing C<_ns> in |
374 | the same time, each constructor has a variant with a trailing C<_ns> in |
376 | its name, e.g. EV::io has a non-starting variant EV::io_ns and so on. |
375 | its name, e.g. EV::io has a non-starting variant EV::io_ns and so on. |
377 | |
376 | |