allow to trigger the unblock and signal processing externally

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## Release [v7.1.0](https://github.com/sweikenb/pcntl/releases/tag/v7.1.0)
+
+**Features**
+
+- Introduced the `unblock()`-function to the `ProcessManager` so the process-unblock and signal dispatching can be
+  triggered externally too
+
+* * *
+
 ## Release [v7.0.0](https://github.com/sweikenb/pcntl/releases/tag/v7.0.0)
 
 **Bugfixes**

src/ProcessManager.php

@@ -200,11 +200,18 @@ public function wait(?callable $callback = null): void
                     }
                 }
             }
-            usleep(5000);
-            pcntl_signal_dispatch();
+
+            // unblock the system and dispatch queued signals
+            $this->unblock();
         }
     }
 
+    public function unblock(): void
+    {
+        usleep(mt_rand(50, 500));
+        pcntl_signal_dispatch();
+    }
+
     public function onThreadCreate(callable $callback): self
     {
         $this->onThreadCreated[] = $callback;