Vyacheslav Egorov e2efffa005 [vm] Simplify implementation of native ports ... This reland commit 5a32d8bc7c with a fix for thread leak (Issue #56717): when `ThreadPool` is shutting down asynchronously the last worker should detach itself to prevent leaking associated low-level data structures, because no thread will join it. A hang in service isolate shutdown (caused by an existing bug) was fixed by commit 157a0dc7f9. This CL turns native ports into a thin abstraction over underlying thread pool instead of building them as full fledged MessageHandler. This allows to easily implement a variation of native ports which can handle messages concurrently with the given degree of concurrency. This type of port can be used to greatly simplify implementation of IOService - which previously had to do its own concurrency management on top of "single threaded" native ports. This capability is exposed as `Dart_NewConcurrentNativePort` API. The new implementation is in general much cleaner then the old one with one exception: `Dart_CloseNativePort` API has unfortunate design where underlying message handler is destroyed asynchronously and `Dart_CloseNativePort` returns immediately without waiting for pending tasks to complete. Implementing this on top of `ThreadPool` requires some changes to thread pool implementation. Issue https://github.com/dart-lang/sdk/issues/55844 Closes https://github.com/dart-lang/sdk/issues/56717 TEST=ci Change-Id: Ic68bfb60757685afd75c80a70cdec66cc13c149b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/385000 Reviewed-by: Martin Kustermann <kustermann@google.com> Commit-Queue: Slava Egorov <vegorov@google.com>		2024-09-12 15:16:12 +00:00
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bin
internal
analyze_snapshot_api.h
BUILD.gn
dart_api.h	[vm] Simplify implementation of native ports	2024-09-12 15:16:12 +00:00
dart_api_dl.c
dart_api_dl.h
dart_embedder_api.h	[vm] Simplify implementation of native ports	2024-09-12 15:16:12 +00:00
dart_native_api.h	[vm] Simplify implementation of native ports	2024-09-12 15:16:12 +00:00
dart_tools_api.h	[vm] Simplify implementation of native ports	2024-09-12 15:16:12 +00:00
dart_version.h