C# (CSharp) Mutex.Equals Examples

Example #1

File: CS_MutexNullRefEx.cs Project: layomia/dotnet_runtime

    public static int Main(String [] args)
    {
        int   rValue = 100;
        Mutex mut    = null;

        Console.WriteLine("Test Mutex for expected NullRef Exceptions");
        Console.WriteLine( );


//      try {
// #pragma warning disable 618
//          mut.Handle = new IntPtr(1);
// #pragma warning restore 618
//          rValue = 1;
//      }
//      catch (NullReferenceException) {
//          Console.WriteLine("Caught NullReferenceException   (mut.Handle(new IntPtr(1)))");
//      }
//      try {
// #pragma warning disable 618
//          IntPtr iptr = mut.Handle;
// #pragma warning restore 618
//          rValue = 2;
//      }
//      catch (NullReferenceException) {
//          Console.WriteLine("Caught NullReferenceException   (IntPtr iptr = mut.Handle)");
//      }

        // try {
        //  mut.Close();
        //  rValue = 3;
        // }
        // catch (NullReferenceException) {
        //  Console.WriteLine("Caught NullReferenceException   (mut.Close())");
        // }

        try {
            mut.Equals(new ManualResetEvent(true));
            rValue = 4;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.Equals(new ManualResetEvent()))");
        }

        try {
            mut.GetHashCode();
            rValue = 5;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.GetHasCode())");
        }

        // try {
        //  mut.GetLifetimeService();
        //  rValue = 6;
        // }
        // catch (NullReferenceException) {
        //  Console.WriteLine("Caught NullReferenceException   (mut.GetLifetimeService())");
        // }

        try {
            mut.GetType();
            rValue = 7;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.GetType())");
        }

        // try {
        //  mut.InitializeLifetimeService();
        //  rValue = 8;
        // }
        // catch (NullReferenceException) {
        //  Console.WriteLine("Caught NullReferenceException   (mut.InitializeLifeTimeService())");
        // }

        try {
            mut.ReleaseMutex();
            rValue = 9;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.ReleaseMutex())");
        }

        try {
            mut.ToString();
            rValue = 11;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.ToString())");
        }

        try {
            mut.WaitOne();
            rValue = 12;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.WaitOne())");
        }

        try {
            mut.WaitOne(1000);            //,true);
            rValue = 13;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.WaitOne(int)");
        }

        // try {
        //  mut.WaitOne(1000,false);
        //  rValue = 14;
        // }
        // catch (NullReferenceException) {
        //  Console.WriteLine("Caught NullReferenceException   (mut.WaitOne(int,bool))");
        // }

        try {
            mut.WaitOne(new TimeSpan(1000));            //,true);
            rValue = 15;
        }
        catch (NullReferenceException) {
            Console.WriteLine("Caught NullReferenceException   (mut.WaitOne(TimeSpan))");
        }

        // try {
        //  mut.WaitOne(new TimeSpan(1000),false);
        //  rValue = 16;
        // }
        // catch (NullReferenceException) {
        //  Console.WriteLine("Caught NullReferenceException   (mut.WaitOne(TimeSpan,bool))");
        // }

        Console.WriteLine("Return Code == {0}", rValue);
        return(rValue);
    }