TaskExceptionSlot.cs System::Threading::Tasks::TaskExceptionSlot System System::Threading System::Threading::Tasks // //TaskExceptionSlot.cs // //Authors: //MarekSafar<marek.safar@gmail.com> //JérémieLaval<jeremiedotlavalatxamarindotcom> // //Copyright(c)2008Jérémie"Garuma"Laval //Copyright2011XamarinInc(http://www.xamarin.com). // //Permissionisherebygranted,freeofcharge,toanypersonobtainingacopy //ofthissoftwareandassociateddocumentationfiles(the"Software"),todeal //intheSoftwarewithoutrestriction,includingwithoutlimitationtherights //touse,copy,modify,merge,publish,distribute,sublicense,and/orsell //copiesoftheSoftware,andtopermitpersonstowhomtheSoftwareis //furnishedtodoso,subjecttothefollowingconditions: // //Theabovecopyrightnoticeandthispermissionnoticeshallbeincludedin //allcopiesorsubstantialportionsoftheSoftware. // //THESOFTWAREISPROVIDED"ASIS",WITHOUTWARRANTYOFANYKIND,EXPRESSOR //IMPLIED,INCLUDINGBUTNOTLIMITEDTOTHEWARRANTIESOFMERCHANTABILITY, //FITNESSFORAPARTICULARPURPOSEANDNONINFRINGEMENT.INNOEVENTSHALLTHE //AUTHORSORCOPYRIGHTHOLDERSBELIABLEFORANYCLAIM,DAMAGESOROTHER //LIABILITY,WHETHERINANACTIONOFCONTRACT,TORTOROTHERWISE,ARISINGFROM, //OUTOFORINCONNECTIONWITHTHESOFTWAREORTHEUSEOROTHERDEALINGSIN //THESOFTWARE. // // #ifNET_4_0||UNITY_5_3_OR_NEWER usingSystem; usingSystem.Collections.Concurrent; namespaceSystem.Threading.Tasks { internalclassTaskExceptionSlot { publicvolatileAggregateExceptionException; publicvolatileboolObserved; publicConcurrentQueue<AggregateException>ChildExceptions; Taskparent; publicTaskExceptionSlot(Taskparent) { this.parent=parent; } ~TaskExceptionSlot() { if(Exception!=null&&!Observed&&!TaskScheduler.FireUnobservedEvent(parent,Exception).Observed){ //NET4.5changedthedefaultexceptionbehaviorforunobservedexceptions.Unobservedexceptionsstillcause //theUnobservedTaskExceptioneventtoberaisedbuttheprocesswillnotcrashbydefault // //.NETallowstoconfigurethisusingconfigelementThrowUnobservedTaskExceptions // #if!NET_4_5&&!UNITY_5_3_OR_NEWER throwException; #endif } } } } #endif