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[wasm][mt] Guard more places for blocking wait on JS interop threads #98508
[wasm][mt] Guard more places for blocking wait on JS interop threads #98508
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Extend the tests as well
/azp run runtime-wasm |
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...eropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/WebWorkerTest.cs
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...Services.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/WebWorkerTestBase.cs
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Tagging subscribers to 'arch-wasm': @lewing Issue DetailsExtend the tests as well
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Log
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With #91317 in place, we get asserts from xharness. @maraf @pavelsavara I think we will need to make xharness to not block on main thread or find a way how to do forced blocking waits in xharness.
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We have |
Yes, by default MT tests start in background https://github.com/dotnet/runtime/blob/main/eng/testing/tests.browser.targets#L90 @radekdoulik |
I see, I guess this wasn't working locally because I was setting |
/azp run runtime-wasm |
Azure Pipelines successfully started running 1 pipeline(s). |
[Theory, MemberData(nameof(GetTargetThreads))] | ||
public async Task ManagedDelay_ContinueWith(Executor executor) | ||
{ | ||
var hit = false; | ||
using var cts = CreateTestCaseTimeoutSource(); | ||
await executor.Execute(async () => | ||
{ | ||
await Task.Delay(10, cts.Token).ContinueWith(_ => | ||
await ForceBlockingWaitAsync(async () => |
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I don't agree that making Task.Delay
forbidden operation on UI thread is a way forward.
I think we have to find a way that it never calls blocking .Wait
Here you are just hiding the problem from the unit test, rigth ?
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And the same for Timer
, there is no theoretical reason why this needs to block.
Except maybe for creating new child thread. If that's the reason, we should add ForceBlockingWaitAsync
into new Thread()
code.
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I don't agree that making
Task.Delay
forbidden operation on UI thread is a way forward. I think we have to find a way that it never calls blocking.Wait
Here you are just hiding the problem from the unit test, rigth ?
Yes, here I am forcing it to not break the current ManagedDelay_ContinueWith
test.
The Task.Delay
eventually ends calling System.Threading.LowLevelMonitor.AcquireCore()
, which calls to native pthread_mutex_lock
- that is a blocking call.
The Timer
calls LowLevelMonitor.AcquireCore
as well.
Details:
info: System.PlatformNotSupportedException : Blocking wait is not supported on the JS interop threads.
info: at System.Threading.Thread.AssureBlockingPossible() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 683
info: at System.Threading.LowLevelMonitor.AcquireCore() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/LowLevelMonitor.Unix.cs:line 35
info: at System.Threading.LowLevelMonitor.Acquire() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/LowLevelMonitor.cs:line 78
info: at System.Threading.WaitSubsystem.ThreadWaitInfo.TrySignalToSatisfyWait(WaitedListNode , Boolean ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.ThreadWaitInfo.Unix.cs:line 448
info: at System.Threading.WaitSubsystem.WaitableObject.SignalAutoResetEvent() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.WaitableObject.Unix.cs:line 709
info: at System.Threading.WaitSubsystem.WaitableObject.SignalEvent(LockHolder& ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.WaitableObject.Unix.cs:line 658
info: at System.Threading.WaitSubsystem.SetEvent(WaitableObject ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs:line 254
info: at System.Threading.WaitSubsystem.SetEvent(IntPtr ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs:line 244
info: at System.Threading.EventWaitHandle.Set() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/EventWaitHandle.Unix.cs:line 48
info: at System.Threading.TimerQueue.SetTimerPortable(UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/TimerQueue.Portable.cs:line 66
info: at System.Threading.TimerQueue.SetTimer(UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/TimerQueue.Unix.cs:line 16
info: at System.Threading.TimerQueue.EnsureTimerFiresBy(UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 138
info: at System.Threading.TimerQueue.UpdateTimer(TimerQueueTimer , UInt32 , UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 368
info: at System.Threading.TimerQueueTimer.Change(UInt32 , UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 561
info: at System.Threading.TimerQueueTimer..ctor(TimerCallback , Object , UInt32 , UInt32 , Boolean ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 516
info: at System.Threading.Tasks.Task.DelayPromise..ctor(UInt32 , TimeProvider ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 5704
info: at System.Threading.Tasks.Task.DelayPromiseWithCancellation..ctor(UInt32 , TimeProvider , CancellationToken ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 5749
info: at System.Threading.Tasks.Task.Delay(UInt32 , TimeProvider , CancellationToken ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 5668
info: at System.Threading.Tasks.Task.Delay(Int32 millisecondsDelay, CancellationToken cancellationToken) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 5664
info: at System.Runtime.InteropServices.JavaScript.Tests.WebWorkerTest.<>c__DisplayClass15_0.<<ManagedDelay_ContinueWith>b__0>d.MoveNext() in /Users/rodo/git/threads-runtime/src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/WebWorkerTest.cs:line 442
info: [FAIL] System.Runtime.InteropServices.JavaScript.Tests.WebWorkerTest.ThreadingTimer(executor: Main)
info: System.PlatformNotSupportedException : Blocking wait is not supported on the JS interop threads.
info: at System.Threading.Thread.AssureBlockingPossible() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Thread.cs:line 683
info: at System.Threading.LowLevelMonitor.AcquireCore() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/LowLevelMonitor.Unix.cs:line 35
info: at System.Threading.LowLevelMonitor.Acquire() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/LowLevelMonitor.cs:line 78
info: at System.Threading.WaitSubsystem.ThreadWaitInfo.TrySignalToSatisfyWait(WaitedListNode , Boolean ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.ThreadWaitInfo.Unix.cs:line 448
info: at System.Threading.WaitSubsystem.WaitableObject.SignalAutoResetEvent() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.WaitableObject.Unix.cs:line 709
info: at System.Threading.WaitSubsystem.WaitableObject.SignalEvent(LockHolder& ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.WaitableObject.Unix.cs:line 658
info: at System.Threading.WaitSubsystem.SetEvent(WaitableObject ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs:line 254
info: at System.Threading.WaitSubsystem.SetEvent(IntPtr ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs:line 244
info: at System.Threading.EventWaitHandle.Set() in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/EventWaitHandle.Unix.cs:line 48
info: at System.Threading.TimerQueue.SetTimerPortable(UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/TimerQueue.Portable.cs:line 66
info: at System.Threading.TimerQueue.SetTimer(UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/TimerQueue.Unix.cs:line 16
info: at System.Threading.TimerQueue.EnsureTimerFiresBy(UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 138
info: at System.Threading.TimerQueue.UpdateTimer(TimerQueueTimer , UInt32 , UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 368
info: at System.Threading.TimerQueueTimer.Change(UInt32 , UInt32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 561
info: at System.Threading.TimerQueueTimer..ctor(TimerCallback , Object , UInt32 , UInt32 , Boolean ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 516
info: at System.Threading.Timer.TimerSetup(TimerCallback , Object , UInt32 , UInt32 , Boolean ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 905
info: at System.Threading.Timer..ctor(TimerCallback , Object , Int32 , Int32 , Boolean ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 845
info: at System.Threading.Timer..ctor(TimerCallback , Object , Int32 , Int32 ) in /Users/rodo/git/threads-runtime/src/libraries/System.Private.CoreLib/src/System/Threading/Timer.cs:line 832
info: at System.Runtime.InteropServices.JavaScript.Tests.WebWorkerTest.<>c__DisplayClass11_0.<<ThreadingTimer>b__0>d.MoveNext() in /Users/rodo/git/threads-runtime/src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/WebWorkerTest.cs:line 371
{ | ||
throw; | ||
} | ||
/* ignore the local one */ |
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@mkhamoyan Radek improved it here.
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Thanks, will update in my PR.
…re-blocking-wait-detection-and-tests
Closing in favor of #99833 |
Extend the tests as well