symfony
diff --git a/‎src/Symfony/Component/Console/Command/LockableTrait.php
Lines changed: 1 addition & 5 deletions b/‎src/Symfony/Component/Console/Command/LockableTrait.php
Lines changed: 1 addition & 5 deletions
diff --git a/‎src/Symfony/Component/Console/Tests/Command/LockableTraitTest.php
Lines changed: 1 addition & 6 deletions b/‎src/Symfony/Component/Console/Tests/Command/LockableTraitTest.php
Lines changed: 1 addition & 6 deletions
diff --git a/‎src/Symfony/Component/Lock/CHANGELOG.md
Lines changed: 5 additions & 0 deletions b/‎src/Symfony/Component/Lock/CHANGELOG.md
Lines changed: 5 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Lock/Store/SemaphoreStore.php
Lines changed: 2 additions & 12 deletions b/‎src/Symfony/Component/Lock/Store/SemaphoreStore.php
Lines changed: 2 additions & 12 deletions
@@ -43,11 +43,7 @@ private function lock($name = null, $blocking = false)
             throw new LogicException('A lock is already in place.');
         }
 
-        if (SemaphoreStore::isSupported($blocking)) {
-            $store = new SemaphoreStore();
-        } else {
-            $store = new FlockStore(sys_get_temp_dir());
-        }
+        $store = SemaphoreStore::isSupported() ? new SemaphoreStore() : new FlockStore(sys_get_temp_dir());
 
         $this->lock = (new Factory($store))->createLock($name ?: $this->getName());
         if (!$this->lock->acquire($blocking)) {
 
@@ -40,12 +40,7 @@ public function testLockIsReleased()
     public function testLockReturnsFalseIfAlreadyLockedByAnotherCommand()
     {
         $command = new \FooLockCommand();
-
-        if (SemaphoreStore::isSupported(false)) {
-            $store = new SemaphoreStore();
-        } else {
-            $store = new FlockStore(sys_get_temp_dir());
-        }
+        $store = SemaphoreStore::isSupported() ? new SemaphoreStore() : new FlockStore(sys_get_temp_dir());
 
         $lock = (new Factory($store))->createLock($command->getName());
         $lock->acquire();
 
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+4.0.0
+-----
+
+ * removed the `$blocking` argument of the `SemaphoreStore::isSupported()` method
+
 3.4.0
 -----
 
 
@@ -27,21 +27,11 @@ class SemaphoreStore implements StoreInterface
     /**
      * Returns whether or not the store is supported.
      *
-     * @param bool|null $blocking When not null, checked again the blocking mode.
-     *
      * @return bool
      */
-    public static function isSupported($blocking = null)
+    public static function isSupported()
     {
-        if (!extension_loaded('sysvsem')) {
-            return false;
-        }
-
-        if ($blocking === false && \PHP_VERSION_ID < 50601) {
-            return false;
-        }
-
-        return true;
+        return extension_loaded('sysvsem');
     }
 
     public function __construct()