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Edit File: SignalDispatcher.php

<?php

namespace Laravel\Octane\Swoole;

class SignalDispatcher
{
    public function __construct(protected SwooleExtension $extension)
    {
    }

/**
     * Determine if the given process ID can be communicated with.
     *
     * @param  int  $processId
     * @return bool
     */
    public function canCommunicateWith(int $processId): bool
    {
        return $this->signal($processId, 0);
    }

/**
     * Send a SIGTERM signal to the given process.
     *
     * @param  int  $processId
     * @param  int  $wait
     * @return bool
     */
    public function terminate(int $processId, int $wait = 0): bool
    {
        $this->extension->dispatchProcessSignal($processId, SIGTERM);

if ($wait) {
            $start = time();

do {
                if (! $this->canCommunicateWith($processId)) {
                    return true;
                }

$this->extension->dispatchProcessSignal($processId, SIGTERM);

sleep(1);
            } while (time() < $start + $wait);
        }

return false;
    }

/**
     * Send a signal to the given process.
     *
     * @param  int  $processId
     * @param  int  $signal
     * @return bool
     */
    public function signal(int $processId, int $signal): bool
    {
        return $this->extension->dispatchProcessSignal($processId, $signal);
    }
}

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