[browser][MT] Handling blocking wait #99833
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# Conflicts: # src/mono/browser/runtime/loader/config.ts # src/mono/browser/runtime/managed-exports.ts # src/mono/browser/runtime/types/internal.ts
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/azp run runtime-wasm |
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...ervices.JavaScript/src/System/Runtime/InteropServices/JavaScript/JSSynchronizationContext.cs
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All the CI failures are #99888 |
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.WaitMainThreadingModeandJSThreadInteropModeconfigurationThread.WarnOnBlockingWaitOnJSInteropThreadThrowWhenBlockingWaitmodeJSThreadBlockingModenow could have following valuesPreventSynchronousJSExport- defaultJSExportfrom being called from JavaScript code in UI thread.JSWebWorkersynchronousJSExportalways works.JSWebWorkerblocking .Wait always warns.ThrowWhenBlockingWaitJSExportto be called from JavaScript code also in UI thread..Waitthrows PNSE.JSImportthrows PNSE (because it would deadlock otherwise in 100% cases).JSWebWorkersynchronousJSExportalways works.JSWebWorkerblocking.Waitalways throws PNSE.WarnWhenBlockingWaitJSExportto be called from JavaScript code also in UI thread..Waitwarns.JSImportthrows PNSE (because it would deadlock otherwise in 100% cases).JSWebWorkersynchronousJSExportalways works.JSWebWorkerblocking.Waitalways warns.DangerousAllowBlockingWaitJSExportto be called from JavaScript code, and allows managed code to use blocking.Wait.WaitonPromise/Taskchains could lead to deadlock because JS event loop is not processed and it can't resolve JS promises.JSExportto be called from JavaScript code also in main thread.JSImportthrows PNSE (because it would deadlock otherwise in 100% cases).Contributes to #76958
Contributes to #98652
Contributes to #99951
Fixes #98804
Fixes #97914
Fixes #44622
More scenarios: #93603 (comment)