EvWatcher::clear
(PECL ev >= 0.2.0)
EvWatcher::clear — Clear watcher pending status
Описание
public
int
EvWatcher::clear
( void
)
If the watcher is pending, this method clears its
pending
status and returns its
revents
bitset(as if its callback was invoked). If the watcher isn't pending
it does nothing and returns
0
.
Sometimes it can be useful to "poll" a watcher instead of waiting for its callback to be invoked, which can be accomplished with this function.
Список параметров
У этой функции нет параметров.
Возвращаемые значения
In case if the watcher is pending, returns
revents
bitset as if the
watcher callback
had been invoked. Otherwise returns
0
.
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- Ev
- Функция EvWatcher::clear() - Clear watcher pending status
- Функция EvWatcher::__construct() - Abstract constructor of a watcher object
- Функция EvWatcher::feed() - Feeds the given revents set into the event loop
- Функция EvWatcher::getLoop() - Returns the loop responsible for the watcher
- EvWatcher::invoke
- Функция EvWatcher::keepalive() - Configures whether to keep the loop from returning
- Функция EvWatcher::setCallback() - Sets new callback for the watcher
- Функция EvWatcher::start() - Starts the watcher
- Функция EvWatcher::stop() - Stops the watcher
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