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Siva Annamalai b6c659ae8f Revert "[ VM / Profiler ] Update MacOS thread interrupter to use Mach APIs instead of SIGPROF" 
This reverts commit 4daa257b32.

Reason for revert: Flutter Engine build breaks on iOS builds (32 bit)

Original change's description:
> [ VM / Profiler ] Update MacOS thread interrupter to use Mach APIs instead of SIGPROF
>
> Enabling the CPU profiler on OSX/iOS with a lldb connection would cause
> applications to slow to a crawl due to lldb performing checks on each
> SIGPROF. This change replaces the SIGPROF based thread interrupter for
> MacOS with one based on the Mach Thread APIs.
>
> Fixes https://github.com/dart-lang/sdk/issues/47139
>
> TEST=Manual testing, CQ
>
> Change-Id: Iedfd73a83f92d51e01b98bfa281440c7d1ba9e08
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/216220
> Commit-Queue: Ben Konyi <bkonyi@google.com>
> Reviewed-by: Ryan Macnak <rmacnak@google.com>

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

Change-Id: I4edf1b73d8f90934fff92971fac8ef7b0f165971
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/216682
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
2021-10-13 17:19:30 +00:00
.dart_tool [dart2js] Migrate dart2js_tools to null safety 2021-10-08 23:54:54 +00:00
.github "dartfmt" -> "dart format" in issue template. 2021-05-19 00:39:43 +00:00
benchmarks Remove dartfmt from SDK artifact size benchmark. 2021-10-01 15:45:53 +00:00
build Replace a bunch of references to .packages 2021-10-12 20:16:15 +00:00
client Remove old annotated_steps buildbot scripts and dispatcher 2017-05-23 16:17:02 +02:00
docs master branch to main 2021-09-15 06:22:23 +00:00
pkg Fix error messages that don't properly name members. 2021-10-13 16:13:16 +00:00
runtime Revert "[ VM / Profiler ] Update MacOS thread interrupter to use Mach APIs instead of SIGPROF" 2021-10-13 17:19:30 +00:00
samples [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
samples-dev/swarm [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
samples_2 [vm] Remove support for dart-ext: imports 2021-09-02 14:14:35 +00:00
sdk [api docs] make dart:ffi doc samples analysis clean 2021-10-13 16:32:14 +00:00
tests Fix language/const/constant_type_variable_error_test 2021-10-12 16:06:09 +00:00
third_party rev the build of devtools; add a 'dart devtools' command 2021-08-20 16:25:24 +00:00
tools Replace a bunch of references to .packages 2021-10-12 20:16:15 +00:00
utils Replace a bunch of references to .packages 2021-10-12 20:16:15 +00:00
.clang-format VM: Re-format to use at most one newline between functions 2017-07-13 08:08:37 -07:00
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig [infra] Add documentation to .gitconfig 2018-06-11 18:24:16 +00:00
.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 fix my name in .mailmap 2018-09-11 01:45:52 +00:00
.packages Remove pkg:resource from .packages 2021-10-08 21:01:38 +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 Remove "dartfmt" entrypoint from the SDK. 2021-10-04 18:40:57 +00:00
CHANGELOG.md [release] Add release notes for 2.14.4 2021-10-13 09:02:30 +00:00
codereview.settings [infra] Default presubmits to use python3 2021-08-24 08:20:47 +00:00
CONTRIBUTING.md master branch to main 2021-09-15 06:22:23 +00:00
DEPS [build] Update Fuchsia SDK. 2021-10-13 16:47:26 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py Remove references to dartfmt in various comments and docs. 2021-10-01 00:56:14 +00:00
README.dart-sdk Update readme 2021-10-05 13:46:41 +00:00
README.md master => main 2021-09-10 08:02:49 +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
SECURITY.md Add a security policy for the Dart SDK 2021-10-01 13:01:31 +00:00
WATCHLISTS [dart2js] More shared_messages.dart cleanup 2021-09-22 19:20:54 +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.