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William Hesse 637e14006c Revert "[VM/Runtime] Fix 'File' object leak in async file open operation" 
This reverts commit b67f45f955.

Reason for revert: This seems to cause a crash on ARMv7 aot compiled code.

Original change's description:
> [VM/Runtime] Fix 'File' object leak in async file open operation
>
> The 'File' object created in the async file open method is leaked
> if the operation is not completed when the isolate shuts down
> with an unhandled exception.
> This change adds a finalizable state for the 'File' object so that
> the message deletion that happens when ports are closed could run
> the callback to clean up the 'File' object.
>
> TEST=new tests added
>
> Change-Id: I4a3cb28370d27306c795c1914aeb5c18a1d85e2b
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210761
> Reviewed-by: Alexander Aprelev <aam@google.com>
> Commit-Queue: Siva Annamalai <asiva@google.com>

TBR=aam@google.com,rmacnak@google.com,asiva@google.com

Change-Id: Ie91aadd318ef19a0bb4d7f769c9e876e76d719d8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/211021
Reviewed-by: William Hesse <whesse@google.com>
Commit-Queue: William Hesse <whesse@google.com>
2021-08-24 12:49:23 +00:00
.dart_tool rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
.github "dartfmt" -> "dart format" in issue template. 2021-05-19 00:39:43 +00:00
benchmarks Revise the SDK size benchmark. 2021-08-20 21:47:25 +00:00
build [gn] Forward the 'pool' parameter through dart actions 2021-07-26 15:20:46 +00:00
client
docs Minor fixes to breaking change process 2021-01-15 21:44:22 +00:00
pkg [cfe] Report all compile-time errors found during constant evaluation 2021-08-24 11:42:53 +00:00
runtime Revert "[VM/Runtime] Fix 'File' object leak in async file open operation" 2021-08-24 12:49:23 +00:00
samples Update to the latest package:ffi 2021-06-18 07:24:51 +00:00
samples-dev/swarm [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
samples_2 Update to the latest package:ffi 2021-06-18 07:24:51 +00:00
sdk Deprecate top level pub. 2021-08-24 08:34:58 +00:00
tests Revert "[VM/Runtime] Fix 'File' object leak in async file open operation" 2021-08-24 12:49:23 +00:00
third_party rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
tools rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
utils Deprecate top level pub. 2021-08-24 08:34:58 +00:00
.clang-format
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig
.gitignore [vm] Remove traces of LLVM backend 2021-03-09 20:37:20 +00:00
.gn [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
.mailmap
.packages rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
.style.yapf
.vpython
AUTHORS
BUILD.gn [build] Remove runtime_kernel target from GN build 2021-08-13 10:09:41 +00:00
CHANGELOG.md Add dart2native discontinuation to changelog 2021-08-23 20:54:22 +00:00
codereview.settings [infra] Default presubmits to use python3 2021-08-24 08:20:47 +00:00
CONTRIBUTING.md [doc] Updated dart.dev web repo link 2021-02-22 12:15:22 +00:00
DEPS Deprecate top level pub. 2021-08-24 08:34:58 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
PATENT_GRANT
PRESUBMIT.py [python3] Migrate PRESUBMIT.py files 2021-08-16 08:29:54 +00:00
README.dart-sdk
README.md Update README.md 2021-01-11 23:51:20 +00:00
sdk_args.gni Allow configuring the destination of the SDK in the build output directory 2021-06-29 18:45:29 +00:00
WATCHLISTS Add myself to watch for tools/experimental_features.yaml changes. 2021-03-19 18:09:38 +00:00

README.md

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation.

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app.

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web.

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, and to find codelabs.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.