Add argument check (#59634)

dotnet · Sep 27, 2021 · b7ac14b · b7ac14b
1 parent d698901
commit b7ac14b
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/libraries/System.Private.CoreLib/src/System/Threading/Mutex.Unix.cs b/src/libraries/System.Private.CoreLib/src/System/Threading/Mutex.Unix.cs
@@ -29,6 +29,16 @@ private void CreateMutexCore(bool initiallyOwned, string? name, out bool created
 
         private static OpenExistingResult OpenExistingWorker(string name, out Mutex? result)
         {
+            if (name == null)
+            {
+                throw new ArgumentNullException(nameof(name));
+            }
+
+            if (name.Length == 0)
+            {
+                throw new ArgumentException(SR.Argument_EmptyName, nameof(name));
+            }
+
             OpenExistingResult status = WaitSubsystem.OpenNamedMutex(name, out SafeWaitHandle? safeWaitHandle);
             result = status == OpenExistingResult.Success ? new Mutex(safeWaitHandle!) : null;
             return status;