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Simplify JIT shutdown logic in crossgen2 #56687

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merged 1 commit into from
Aug 3, 2021

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MichalStrehovsky
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There was unanswered comment about thread safety in https://github.com/dotnet/runtime/pull/56187/files#r675461236 so I just decided to fix it myself.

While on it, I simplified shutdown to use AppDomain.ProcessExit.

I'm not sure AppDomain.UnhandledException is needed but the original code had this in a finally.

The better fix would be to allow JIT to be initialized right before we start a compilation and shut down after, but that would require no process wide state in the JIT. As it stands now, JIT is once-per-process-global.

Cc @dotnet/crossgen-contrib

There was unanswered comment about thread safety in https://github.com/dotnet/runtime/pull/56187/files#r675461236 so I just decided to fix it myself.

While on it, I simplified shutdown to use `AppDomain.ProcessExit`.

I'm not sure `AppDomain.UnhandledException` is needed but the original code had this in a `finally`.

The better fix would be to allow JIT to be initialized right before we start a compilation and shut down after, but that would require no process wide state in the JIT. As it stands now, JIT is once-per-process-global.
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LGTM, thanks for cleaning this up!

@MichalStrehovsky MichalStrehovsky merged commit a0ff4e1 into dotnet:main Aug 3, 2021
@MichalStrehovsky MichalStrehovsky deleted the jitshutdown branch August 3, 2021 05:34
thaystg added a commit to thaystg/runtime that referenced this pull request Aug 3, 2021
* origin/main: (64 commits)
  [wasm][debugger] Create test Inherited Properties (dotnet#56754)
  Mark new test as incompatible with GC Mark4781_1GcStressIncompatible (dotnet#56739)
  Ensure MetadataEnumResult is sufficiently updated by MetaDataImport::Enum (dotnet#56756)
  [mono] Remove gdb xdebug and binary writer support, it hasn't worked in a while. (dotnet#56759)
  Update windows-requirements.md (dotnet#56476)
  Update doc and generic parameter name for JsonValue.GetValue (dotnet#56639)
  [wasm][debugger] Inspect static class (dotnet#56740)
  Fix stack overflow handling issue in GC stress (dotnet#56733)
  Use ReflectionOnly as serialization mode in case dynamic code runtime feature is not supported (dotnet#56604)
  Move Windows Compat pack to NuGet pack task (dotnet#56686)
  Fix build error when building some packages (dotnet#56767)
  Simplify JIT shutdown logic in crossgen2 (dotnet#56687)
  Fix race in crossdac publishing with PGO (dotnet#56762)
  Add DictionaryKeyPolicy support for EnumConverter [dotnet#47765] (dotnet#54429)
  Use ComWrappers in some Marshal unit-tests and update platform metadata  (dotnet#56595)
  Set `DisableImplicitNamespaceImports_Dotnet=true` to workaround sdk issue (dotnet#56744)
  Make sure ServerGCHeapDetails is up to date (dotnet#56056)
  [libraries] Reenable System.Diagnostics.DiagnosticSorce.Switches.Tests on mobile (dotnet#56737)
  Disable failing arm64 win10 Graphics.FromHdc tests  (dotnet#56732)
  Match xplat event source conditions (dotnet#56435)
  ...
thaystg added a commit to thaystg/runtime that referenced this pull request Aug 4, 2021
…ger_proxy_attribute

* origin/main: (340 commits)
  add RID for Debian 11 (dotnet#56789)
  [wasm] [debugger] Skip thread static field (dotnet#56749)
  Fix timeouts in coreroot_determinism test in GC stress mode (dotnet#56770)
  Use File.OpenHandle in Socket.SendFile directly (dotnet#56777)
  accept empty realm for digest auth (dotnet#56369) (dotnet#56455)
  [wasm][debugger] Create test Inherited Properties (dotnet#56754)
  Mark new test as incompatible with GC Mark4781_1GcStressIncompatible (dotnet#56739)
  Ensure MetadataEnumResult is sufficiently updated by MetaDataImport::Enum (dotnet#56756)
  [mono] Remove gdb xdebug and binary writer support, it hasn't worked in a while. (dotnet#56759)
  Update windows-requirements.md (dotnet#56476)
  Update doc and generic parameter name for JsonValue.GetValue (dotnet#56639)
  [wasm][debugger] Inspect static class (dotnet#56740)
  Fix stack overflow handling issue in GC stress (dotnet#56733)
  Use ReflectionOnly as serialization mode in case dynamic code runtime feature is not supported (dotnet#56604)
  Move Windows Compat pack to NuGet pack task (dotnet#56686)
  Fix build error when building some packages (dotnet#56767)
  Simplify JIT shutdown logic in crossgen2 (dotnet#56687)
  Fix race in crossdac publishing with PGO (dotnet#56762)
  Add DictionaryKeyPolicy support for EnumConverter [dotnet#47765] (dotnet#54429)
  Use ComWrappers in some Marshal unit-tests and update platform metadata  (dotnet#56595)
  ...
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3 participants