Semaphores fully implemented

src/Sem/Semaphore.php

@@ -8,18 +8,25 @@ use NoccyLabs\Ipc\Key\KeyInterface;
 
 class Semaphore
 {
-    public function __construct(KeyInterface $key, int $max)
-    {
+    protected $resource;
 
+    public function __construct(KeyInterface $key, int $max, $perm = 0660, $autorelease = 1)
+    {
+        $this->resource = sem_get($key->getKey(), $max, $perm, $autorelease);
     }
 
-    public function acquire(float $timeout)
+    public function destroy()
     {
-        
+        sem_remove($this->resource);
     }
 
-    public function release()
+    public function acquire(float $timeout = 0):bool
     {
-        
+        return sem_acquire($this->resource, true);
+    }
+
+    public function release():bool
+    {
+        return sem_release($this->resource);
     }
 }