EvSignal::__construct
(PECL ev >= 0.2.0)
EvSignal::__construct — Constructs EvSignal watcher object
說明
public EvSignal::__construct(
int
callable
mixed
int
)
int
$signum ,callable
$callback ,mixed
$data = null ,int
$priority = 0 )
Constructs EvSignal watcher object and starts it automatically. For a stopped periodic watcher consider using EvSignal::createStopped() method.
參數
-
signum Signal number. See constants exported by pcntl extension. See also
signal(7)man page.-
callback See Watcher callbacks .
-
data Custom data associated with the watcher.
-
priority
範例
示例 #1 Handle SIGTERM signal
<?php
$w = new EvSignal(SIGTERM, function ($watcher) {
echo "SIGTERM received\n";
$watcher->stop();
});
Ev::run();
?> 參見
- EvSignal::createStopped() - Create stopped EvSignal watcher object