diff --git a/src/StreamSelectLoop.php b/src/StreamSelectLoop.php
index 625b6fb6..3e6ff07f 100644
--- a/src/StreamSelectLoop.php
+++ b/src/StreamSelectLoop.php
@@ -62,6 +62,7 @@ final class StreamSelectLoop implements LoopInterface
private $writeListeners = array();
private $running;
private $pcntl = false;
+ private $pcntlActive = false;
private $signals;
public function __construct()
@@ -69,7 +70,12 @@ public function __construct()
$this->futureTickQueue = new FutureTickQueue();
$this->timers = new Timers();
$this->pcntl = \extension_loaded('pcntl');
+ $this->pcntlActive = $this->pcntl && !\function_exists('pcntl_async_signals');
$this->signals = new SignalsHandler();
+
+ if ($this->pcntl && !$this->pcntlActive) {
+ \pcntl_async_signals(true);
+ }
}
public function addReadStream($stream, $listener)
@@ -222,7 +228,7 @@ private function waitForStreamActivity($timeout)
$write = $this->writeStreams;
$available = $this->streamSelect($read, $write, $timeout);
- if ($this->pcntl) {
+ if ($this->pcntlActive) {
\pcntl_signal_dispatch();
}
if (false === $available) {
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