c# - Async/await in .Net --> Calling a service method that has no async implementation -

basically need make remote request using vendor's .net sdk information. sdk has no async implementations on methods trying come on own. bascially want fire off request synchronous method, , wait on amount of time. if request takes long, need act , report down client in our web app.

i'm wondering if best way this, or there better way? code below service method called controller action.

    public async task<bool> signersadded(string packageid)     {         var timeout = 5000;          var task = task.run(() =>         {             var package = _eslclient.getpackage(new packageid(packageid));             return package != null && package.documents.values.any(x => x.signatures.any());         });          var stopwatch = stopwatch.startnew();          while (!task.iscompleted)         {             if (stopwatch.elapsedmilliseconds >= timeout)                 return false;         }          return false;     } 

task.wait has overload takes int defines timeout.

public task<bool> signersadded(string packageid) {     var timeout = 5000;      var task = task.run(() =>     {         var package = _eslclient.getpackage(new packageid(packageid));         return package != null && package.documents.values.any(x => x.signatures.any());     });      if(!task.wait(1000 /*timeout*/))     {         // timeout         return false;     }     return task.result; }