From 4652e464b999498ef337d4878d0e4e6ba5b6f7e9 Mon Sep 17 00:00:00 2001
From: Christopher Vagnetoft <cvagnetoft@gmail.com>
Date: Sun, 15 Apr 2018 20:48:22 +0200
Subject: [PATCH] Semaphores fully implemented

---
 .gitignore                  |  1 +
 src/Sem/Semaphore.php       | 19 +++++++++++++------
 tests/Sem/SemaphoreTest.php | 27 +++++++++++++++++++++++++++
 3 files changed, 41 insertions(+), 6 deletions(-)
 create mode 100644 tests/Sem/SemaphoreTest.php

diff --git a/.gitignore b/.gitignore
index 4fbb073..c8a31df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /vendor/
 /composer.lock
+/doc
diff --git a/src/Sem/Semaphore.php b/src/Sem/Semaphore.php
index 18a94cd..c1bc4aa 100644
--- a/src/Sem/Semaphore.php
+++ b/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);
     }
 }
\ No newline at end of file
diff --git a/tests/Sem/SemaphoreTest.php b/tests/Sem/SemaphoreTest.php
new file mode 100644
index 0000000..6262f60
--- /dev/null
+++ b/tests/Sem/SemaphoreTest.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace NoccyLabs\Ipc\Sem;
+
+use NoccyLabs\Ipc\Key\FileKey;
+
+
+
+class SemaphoreTest extends \PhpUnit\Framework\TestCase
+{
+
+    public function testCreatingAndAquiringSemaphore()
+    {
+        $key = new FileKey(__FILE__);
+        $sem = new Semaphore($key, 2);
+
+        $this->assertTrue($sem->acquire());
+        $this->assertTrue($sem->acquire());
+        $this->assertFalse($sem->acquire());
+        $this->assertTrue($sem->release());
+        $this->assertTrue($sem->acquire());
+        $this->assertFalse($sem->acquire());
+        $this->assertTrue($sem->release());
+        $this->assertTrue($sem->release());
+    }
+
+}
\ No newline at end of file