Add mulithreading support - part 1 #3114
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…ScalaNative projects base on system property for easier interaction with CI
…e new threads and conversion between managed/unmanged execution
…ads support. Provide glue code for ThreadLocalStorage of current thread handles
Add NativeThread implementations: PosixThread and WindowsThread Add missing or fix invalid bindings to pthread/Windows.h types Implement waiting for termination of non-deamon threads using onExit hook
…ompiling native sources with multithreading support
… between Scala2 and Scala3. Share common implementaiton between the two
Move ThreadUtil.h to GC shared directory. Normalize its API
- Implement StopTheWorld events using combination of signal handlers(unix) / exception filters(windows) triggered by memory access violation on safepoint polling and by modifing mutator thread state upon call to or return from extern function (unmanaged context) - Implement synchronization mechanism and safepoint arming - Store references to all mutator threads
… GC threads synchronization
…k with multithreaded env
…to match Scala 2 behaviour
…supported. Otherwise LLVM can produce infinite loops
… higher priority then exception filter
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This is exciting news @WojciechMazur! |
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The first part of merged multithreading support, based on cherry-picks from the development branch https://github.com/WojciechMazur/scala-native/tree/multithreading/develop
Included minimal functionally:
isMultithreadEnabledentry in NativeCofngi in LinktimeInfojava.lang.Threadmethods and its companions:java.lang.ThreadGroupjava.lang.ThreadLocaljava.lang.InheritableThreadLocalScalaNativeGC.hinterface used to implement ScalaNative and GC interactionNoneBoehmImmixFollow-up PRs would include core features, eg. synchronization, atomics, threads parking, and finally implementation of
java.util.concurrent/scala.conccurrent