Viewing file:  InteractsWithSignals.php (1.15 KB) -rw-r--r--
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<?php
namespace Illuminate\Console\Concerns;
use Illuminate\Console\Signals;
use Illuminate\Support\Arr;
trait InteractsWithSignals
{
/**
* The signal registrar instance.
*
* @var \Illuminate\Console\Signals|null
*/
protected $signals;
/**
* Define a callback to be run when the given signal(s) occurs.
*
* @param iterable<array-key, int>|int $signals
* @param callable(int $signal): void $callback
* @return void
*/
public function trap($signals, $callback)
{
Signals::whenAvailable(function () use ($signals, $callback) {
$this->signals ??= new Signals(
$this->getApplication()->getSignalRegistry(),
);
collect(Arr::wrap($signals))
->each(fn ($signal) => $this->signals->register($signal, $callback));
});
}
/**
* Untrap signal handlers set within the command's handler.
*
* @return void
*
* @internal
*/
public function untrap()
{
if (! is_null($this->signals)) {
$this->signals->unregister();
$this->signals = null;
}
}
}
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