Getawaiter getresult deadlock

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August undefined, 2024

WebDec 1, 2014 · Deadlock. The top-level method is blocking the context thread, waiting for GetJsonAsync to complete, and GetJsonAsync is waiting for the context to be free so it … WebFact 1: GetDataAsync ().Result; will run when the task returned by GetDataAsync () completes, in the meantime it blocks the UI thread Fact 2: The continuation of the await ( return result.ToString ()) is queued to the UI thread for execution Fact 3: The task returned by GetDataAsync () will complete when its queued continuation is run

c# - Avoiding Deadlock with HttpClient - Stack Overflow

WebAug 31, 2014 · In the first example, you call await projectClient.GetProjects () with Thread1, so Thread1 must continue the execution but it's BLOCKED in this.GetProjects (uri).Result; – Khanh TO Aug 31, 2014 at 4:37 I was under assumption, once ConfigureAwait (false) is used (any where in the call stack), execution from that point will not cause deadlock. WebAug 25, 2015 · What is the best way to use HttpClient and avoid deadlock? I am using the code below, called entirely from synchronous methods, but I concerned it maybe causing a deadlock. I've done some reading on functions like .ConfigureAwait(false), .GetAwaiter(), .GetResult() but I am looking for input on the best practice approach.. Not quite exact … shellani raco latham ny

Is GetAwaiter().GetResult() cause a deadlock ? #64849 - GitHub

WebDec 12, 2024 · Avoiding deadlocks. Consider a library method that uses await on the result of some network download. You invoke this method and synchronously block waiting for … WebJul 13, 2024 · Task.GetAwaiter ().GetResult () creates the third potential deadlock. How to fix the deadlock To fix the deadlock we can use async/await (recommend) or ConfigreAwait (false). ConfigreAwait (true) is the implicit default: the continuation callback is always executed on the captured SynchronizationConext. WebFeb 11, 2024 · The deadlock is because it's blocking on asynchronous code. In this code: private TimeSpan GetDataAsync1 () { return GetTS ().ConfigureAwait (false).GetAwaiter ().GetResult (); } the ConfigureAwait (false) does nothing. ConfigureAwait configures awaits, not tasks, and there is no await there. The best option is to go async all the way. split flughafen

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WebOct 30, 2016 · .GetAwaiter ().GetResult () is different from Result/Wait () in that it mimics the await exception propagation behavior. You need to decide if you want that or not. (So research what that behavior is; no need to repeat it here.) If your task contains a single exception then the await error behavior is usually convenient and has little downside. WebAug 26, 2024 · You should go all way down with async/await. If you are using ".GetAwaiter ().GetResult ()", ".Result" or ".Wait ()" to get the result of a task or to wait for the task … split flughafen code shell animal logansport

"WebSep 27, 2024 · @linkinshi yes, Task.Wait, GetAwaiter().GetResult(), Task.Result can all dead lock and they can all starve the thread pool. You need to await the Task. if the … " - Getawaiter getresult deadlock

Getawaiter getresult deadlock

An async/await example that causes a deadlock - Stack Overflow

WebOct 4, 2024 · await is aware of a thing called SynchronizationContext.If such context is present (SynchronizationContext.Current is not null) then continuation after await is passed to that context, because it should know better how to handle it (unless you explicitly tell to not do that, using await someTask.ConfigureAwait(continueOnCapturedContext: … WebUse awaiter and callback In this approach the UI client calls the service layer and passes a callback to the service layer, the service layer wraps the http call to the server in a task and use GetAwaiter ().GetResult (), when the http call is finished it invokes the callback passed by the UI client.

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WebApr 13, 2024 · One of them is just to block directly. This works fine for Console / ASP.NET Core applications (because they don't have a context that would cause the deadlock). I recommend using GetAwaiter().GetResult() in this case to avoid exception wrappers that come when using Result / Wait(): CallAsyncTest(i).GetAwaiter().GetResult(); WebJan 7, 2024 · This is great to avoid deadlocks and can also be used within a try/catch block to get the exception raised by the AsyncMethod itself. ... thus not being a “make async sync while locking the thread” such as .GetAwaiter().GetResult(), .Wait or .Result: however, it’s an entirely different scenario from the article topic. ...

WebTask miTask = Task.Run(() => { return 0; }); int myIntResult = miTask.GetAwaiter().GetResult(); Edit 02: the suggestion solution of another question … WebMar 11, 2024 · var task = GetStringAsync ().ConfigureAwait (false).GetAwaiter (); The call to ConfigureAwait does nothing here, because you're not await ing the result. You can remove it with no change. var result = task.GetResult (); // deadlock The UI thread is needed to run the return statement in GetStringAsync.

WebDec 12, 2024 · Avoiding deadlocks. Consider a library method that uses await on the result of some network download. You invoke this method and synchronously block waiting for it to complete, such as by using .Wait() or .Result or .GetAwaiter().GetResult() off of the returned Task object. WebSep 8, 2014 · there's no much difference what to use: Task.Result or GetAwaiter ().GetResult () - both of them block current thread. To get rid of the deadlock you may keep blocking current thread but you need to ensure that every async call inside Repository.SaveAsync doesn't passes its continuation to the current thread, i. e. has …

WebNow if you are in a situation where you can't use async/await and you have to do sync over async, the preferred way to do it seems to be Task.GetAwaiter ().GetResult (); which can still cause deadlocks but at least it doesn't wrap exceptions in an AggregateException . So why do Task.Wait and Task.Result even exist?

WebApr 24, 2024 · Here the UnWrap + GetAwaiter do the magic for us to be able to handle the exception normally. In order to avoid deadlocks the async operation is passed to an … split flow mufflerWebFeb 27, 2024 · @Klamsi .GetAwaiter ().GetResult () is notorious for causing deadlocks on scenarios that involve a sync-context that attempts to do thread marshalling; if I was writing a testing framework, I'd intentionally design it to have such a sync context, specifically to help find incorrect usage like this; there is no correct implementation of "sync over … shell anketaWebNov 24, 2024 · Using Task.Run(...).GetAwaiter().GetResult() can be used as a workaround to run async code and wait on it synchronously, it will not result in an async deadlock, … shell angel christmas ornamentWebJul 28, 2015 · When code invokes an asynchronous method, it’s generally proper to await the returned task. At this point, the compiler will complain. The following code will cause a compiler error with the message, “The ‘await’ operator can only be … split fmoviesWebMy guess is that it was deadlocked when they called .Result (). If so, the options to fix are: Use async/a wait Use a callback Run it on a new thread, blocking the current thread until … split foam back flyWebJan 17, 2024 · GetAwaiter ().GetResult () when working with Tasks. Dispatcher.Invoke () when working in WPF. When you see the debugger’s execution point stuck on any of the … shellan meaningWebJan 7, 2024 · This is great to avoid deadlocks and can also be used within a try/catch block to get the exception raised by the AsyncMethod itself. ... thus not being a “make async … split flyplass