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<?php |
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/** |
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* This file is part of PHPinnacle/Ensign. |
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* |
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* (c) PHPinnacle Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types = 1); |
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use Amp\Promise; |
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use PHPinnacle\Ensign\SignalDispatcher; |
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use PHPinnacle\Ensign\Dispatcher; |
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use PHPinnacle\Ensign\Task; |
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final class StaticDispatcher implements Dispatcher |
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{ |
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private static $instance; |
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private $dispatcher; |
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private function __construct() |
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{ |
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$this->dispatcher = new SignalDispatcher(); |
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} |
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public static function instance(): self |
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{ |
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if (null === self::$instance) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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public function register(string $signal, callable $action): void |
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{ |
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$this->dispatcher->register($signal, $action); |
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} |
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public function dispatch($signal, ...$arguments): Task |
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{ |
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return $this->dispatcher->dispatch($signal, ...$arguments); |
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} |
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} |
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/** |
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* @param string $signal |
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* @param callable $handler |
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*/ |
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function ensign_signal(string $signal, callable $handler): void |
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{ |
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StaticDispatcher::instance()->register($signal, $handler); |
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} |
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/** |
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* @param string $signal |
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* @param mixed ...$arguments |
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* |
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* @return Promise |
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*/ |
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function ensign_dispatch(string $signal, ...$arguments): Promise |
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{ |
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return StaticDispatcher::instance()->dispatch($signal, ...$arguments); |
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} |
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/** |
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* @param array $signals |
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* @param Dispatcher $dispatcher |
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* |
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* @throws \Amp\Loop\UnsupportedFeatureException |
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*/ |
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function ensign_pcntl_signals(array $signals, Dispatcher $dispatcher = null): void |
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{ |
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$dispatcher = $dispatcher ?: StaticDispatcher::instance(); |
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foreach ($signals as $signal) { |
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// OS signal support check |
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if (!$sigNo = \constant($signal)) { |
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continue; |
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} |
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$handler = function (string $watcherId, int $sigNo, $sigInfo = null) use ($dispatcher, $signal) { |
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yield $dispatcher->dispatch($signal, $sigNo, $sigInfo, $watcherId); |
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}; |
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\Amp\Loop::onSignal($sigNo, $handler); |
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} |
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} |
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/** |
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* @param array $exclude |
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* |
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* @return array |
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*/ |
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function pcntl_signal_list(array $exclude = []): array |
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{ |
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return \array_diff([ |
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'SIGHUP', |
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'SIGINT', |
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'SIGQUIT', |
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'SIGILL', |
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'SIGTRAP', |
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'SIGABRT', |
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'SIGIOT', |
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'SIGBUS', |
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'SIGFPE', |
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// 'SIGKILL', |
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'SIGUSR1', |
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'SIGSEGV', |
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'SIGUSR2', |
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'SIGPIPE', |
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'SIGALRM', |
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'SIGTERM', |
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'SIGSTKFLT', |
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'SIGCLD', |
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'SIGCHLD', |
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'SIGCONT', |
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// 'SIGSTOP', |
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'SIGTSTP', |
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'SIGTTIN', |
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'SIGTTOU', |
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'SIGURG', |
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'SIGXCPU', |
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'SIGXFSZ', |
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'SIGVTALRM', |
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'SIGPROF', |
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'SIGWINCH', |
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'SIGPOLL', |
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'SIGIO', |
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'SIGPWR', |
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'SIGSYS', |
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], $exclude); |
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} |
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phpinnacle /
ensign
