Set timeout to an operation

Question

I have object obj which is 3rd party component,

// this could take more than 30 seconds int result = obj.PerformInitTransaction();  

I don't know what is happening inside. What I know is if it take longer time, it is failed.

how to setup a timeout mechanism to this operation, so that if it takes more than 30 seconds I just throw MoreThan30SecondsException ?

Answer 1

You could run the operation in a separate thread and then put a timeout on the thread join operation:

using System.Threading;  class Program {     static void DoSomething() {         try {             // your call here...             obj.PerformInitTransaction();                  } catch (ThreadAbortException) {             // cleanup code, if needed...         }     }      public static void Main(params string[] args) {          Thread t = new Thread(DoSomething);         t.Start();         if (!t.Join(TimeSpan.FromSeconds(30))) {             t.Abort();             throw new Exception("More than 30 secs.");         }     } } 

Answer 2

More simply using Task.Wait(TimeSpan):

using System.Threading.Tasks;  var task = Task.Run(() => obj.PerformInitTransaction()); if (task.Wait(TimeSpan.FromSeconds(30)))     return task.Result; else     throw new Exception("Timed out");