TaskAwaiter_T.cs System::Runtime::CompilerServices::TaskAwaiter System System::Runtime System::Runtime::CompilerServices // //TaskAwaiter_T.cs // //Authors: //MarekSafar<marek.safar@gmail.com> // //Copyright(C)2011Novell,Inc(http://www.novell.com) //Copyright(C)2011Xamarin,Inc(http://www.xamarin.com) // //Permissionisherebygranted,freeofcharge,toanypersonobtaining //acopyofthissoftwareandassociateddocumentationfiles(the //"Software"),todealintheSoftwarewithoutrestriction,including //withoutlimitationtherightstouse,copy,modify,merge,publish, //distribute,sublicense,and/orsellcopiesoftheSoftware,andto //permitpersonstowhomtheSoftwareisfurnishedtodoso,subjectto //thefollowingconditions: // //Theabovecopyrightnoticeandthispermissionnoticeshallbe //includedinallcopiesorsubstantialportionsoftheSoftware. // //THESOFTWAREISPROVIDED"ASIS",WITHOUTWARRANTYOFANYKIND, //EXPRESSORIMPLIED,INCLUDINGBUTNOTLIMITEDTOTHEWARRANTIESOF //MERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEAND //NONINFRINGEMENT.INNOEVENTSHALLTHEAUTHORSORCOPYRIGHTHOLDERSBE //LIABLEFORANYCLAIM,DAMAGESOROTHERLIABILITY,WHETHERINANACTION //OFCONTRACT,TORTOROTHERWISE,ARISINGFROM,OUTOFORINCONNECTION //WITHTHESOFTWAREORTHEUSEOROTHERDEALINGSINTHESOFTWARE. // #ifNET_4_5||UNITY_5_3_OR_NEWER usingSystem.Threading.Tasks; namespaceSystem.Runtime.CompilerServices { publicstructTaskAwaiter<TResult>:ICriticalNotifyCompletion { readonlyTask<TResult>task; internalTaskAwaiter(Task<TResult>task) { this.task=task; } publicboolIsCompleted{ get{ returntask.IsCompleted; } } publicTResultGetResult() { if(task.Status!=TaskStatus.RanToCompletion) throwTaskAwaiter.HandleUnexpectedTaskResult(task); returntask.Result; } publicvoidOnCompleted(Actioncontinuation) { if(continuation==null) thrownewArgumentNullException("continuation"); TaskAwaiter.HandleOnCompleted(task,continuation,true,true); } publicvoidUnsafeOnCompleted(Actioncontinuation) { if(continuation==null) thrownewArgumentNullException("continuation"); TaskAwaiter.HandleOnCompleted(task,continuation,true,false); } } } #endif