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Alexander Aprelev da133e5047 [io/file_watch] Don't attempt to close already closed DirectoryWatchHandle. 
Fixes https://github.com/dart-lang/sdk/issues/43941

TEST=Running four dart scripts in parallel that delete/watch thousands of file reproduces the failure after several minutes. After the fix it no longer reproduces.

Change-Id: I6a0a928838c676f44e747a822611b56f0ffc4841
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169601
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2020-10-31 01:39:33 +00:00
.dart_tool Remove the obsolete dartfix package 2020-10-30 17:22:31 +00:00
.github Update new issue template. 2019-04-30 18:14:21 +00:00
benchmarks [vm/concurrency] Add EventLoopLatencyJson350KB bechmark 2020-10-28 16:28:38 +00:00
build Allow MacOSX SDK versions 10.x and 11.x in build scripts 2020-10-22 12:53:55 +00:00
client Remove old annotated_steps buildbot scripts and dispatcher 2017-05-23 16:17:02 +02:00
docs Corrected the format for VM experiment flag 2020-10-21 16:09:38 +00:00
pkg Use the current SDK language version by default. 2020-10-31 00:20:22 +00:00
runtime [ VM / CLI ] Fix issue where VM flags would be parsed from the option 2020-10-30 23:25:22 +00:00
samples Opt out some files from null safety. 2020-10-12 22:15:42 +00:00
samples-dev/swarm Opt out some files from null safety. 2020-10-12 22:15:42 +00:00
sdk [io/file_watch] Don't attempt to close already closed DirectoryWatchHandle. 2020-10-31 01:39:33 +00:00
tests [vm, gc] Reserve some memory to use during handling of OutOfMemoryErrors. 2020-10-30 23:07:22 +00:00
third_party [wasm] Wasm function imports. 2020-10-16 23:16:42 +00:00
tools Fail the flutter/engine bot on analysis info items. 2020-10-29 23:39:59 +00:00
utils Remove bytecode mode of Dart SDK build 2020-10-21 22:43:14 +00:00
.clang-format VM: Re-format to use at most one newline between functions 2017-07-13 08:08:37 -07:00
.gitattributes Migrate language_2/string to null safety. 2020-06-17 21:14:43 +00:00
.gitconfig [infra] Add documentation to .gitconfig 2018-06-11 18:24:16 +00:00
.gitignore Adds a few more generated files to .gitignore. 2020-10-22 11:42:09 +00:00
.gn Starting work on full GN build 2016-09-23 07:47:36 -07:00
.mailmap fix my name in .mailmap 2018-09-11 01:45:52 +00:00
.packages Remove the obsolete dartfix package 2020-10-30 17:22:31 +00:00
.style.yapf Mass format python with yapf 2019-08-05 20:34:31 +00:00
.vpython [infra] Add .vpython spec to fix gsutil on the bots (#31065) 2018-10-11 15:11:35 +00:00
AUTHORS [runtime/vm] ARM64: Support unaligned memory accesses for regex. 2019-10-15 20:11:40 +00:00
BUILD.gn Reland "[vm] Fix some Fuchsia tests" 2020-08-06 21:29:29 +00:00
CHANGELOG.md [Language] Enable null safety in Dart 2.12. 2020-10-29 18:25:56 +00:00
codereview.settings Update codereview.settings to Gerrit (dart-review.googlesource.com) 2017-09-04 12:52:09 +00:00
CONTRIBUTING.md Fix a number of outdated URLs across a number of markdown files 2020-05-29 09:23:45 +00:00
DEPS [android] Switch to Flutter Android tooling 2020-10-28 16:25:05 +00:00
LICENSE Remove third_party licenses from LICENSE 2019-08-21 07:43:34 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py Revert "Require that all changes to VM have TEST line" 2020-10-30 15:28:41 +00:00
README.dart-sdk Add dart2native to sdk README 2020-01-20 09:32:58 +00:00
README.md Fix typo in README.md 2020-08-10 20:56:14 +00:00
sdk_args.gni [build] Automatically rebuild sdk_hash when the Git commit changes. 2020-07-09 21:12:15 +00:00
WATCHLISTS [dart2js] 20 dart2js tests ported to nnbd #1. 2020-06-26 15:21:42 +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, getting started, and more.

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

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.