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Simon Farre 3ca0ec9f71 LibIPC: Introduce async functionality to IPC - part 1
Description:
This patch is part 1 in the draft for asynchronous IPC. This patch is
responsible for 100% for the functionality that is added to make async
IPC possible. The following patches in this series, contains the
changes to code in Ladybird at large, that needs to change in order to
compile and although I know this breaks with convention, I figured this
would be easier to review as a draft. I can squash/refactor, as soon as
some review of this has started. It also allows me to write additional
patches that can show how this should work.

Changes made
Added a sequence id to all messages, which is provided by the endpoint
as a static monotonic id.

Changed the int value for messages and responses (for debuggability
purposes). All messages are uneven values and all responses are that
value + 1, to encode additional data into the value.

Messages that respond with data, now must be changed from:

Messages::SomeEndpoint::ResponseType
foo(Foo arg1, Bar arg2)

to

NonnullRefPtr<Core::Promise<Messages::SomeEndpoint::ResponseType>>
foo(Foo arg1, Bar arg2)

After in-depth discussion, maintainers of the project opted to go for
non-industry standard approach to maintain a logical cohesiveness with
ladybird, where the return of a Promise<T> is more logically suitable,
even if it incurs a little extra verbosity.

Existing IPC methods, now needs to do the following 4 things, and
commit 2 of this Async IPC proposal will do a few of them for existing
messages:

- Change the return type from
  `Messages::EndPointName::MessageNameResponse` to
  `NonnullRefPtr<Messages::EndPointName::MessageName::Promise>`
- Construct the correct Promise type, which can be found in the
  `Messages::EndPointName::MessageName::Promise` typedef.
- Resolve the promise with a value, where appropriate.
- Return the promise

(Note: Under no circumstances are you allowed to configure a
`when_resolved` for this `Promise` as the IPC system relies on using
this to pickle the message and then write the message buffer over the
socket. You are only allowed to to resolve it with a value).
2025-03-31 14:09:18 +02:00
.devcontainer Devcontainer: Set VCPKG_FORCE_SYSTEM_BINARIES when building cache 2025-02-18 15:33:51 -07:00
.github CI: Do not cancel in-progress JS artifact builds 2025-03-27 23:58:21 +00:00
AK AK: Don't assert things about active union members in StringBase 2025-03-27 15:58:57 +00:00
Base/res LibWebView+WebContent+UI: Migrate to the new autoplay settings 2025-03-30 16:18:57 +01:00
Documentation LibWeb: Implement functional pseudo-element parsing 2025-03-25 07:54:13 +00:00
Libraries LibIPC: Introduce async functionality to IPC - part 1 2025-03-31 14:09:18 +02:00
Meta LibIPC: Introduce async functionality to IPC - part 1 2025-03-31 14:09:18 +02:00
Services LibIPC: Introduce async functionality to IPC - part 1 2025-03-31 14:09:18 +02:00
Tests LibWeb: Add Extended Tests for Window BarProps 2025-03-29 02:35:27 +00:00
Toolchain Everywhere: Remove Nix build support 2025-03-24 17:22:08 +00:00
UI LibWebView+WebContent+UI: Migrate to the new autoplay settings 2025-03-30 16:18:57 +01:00
Utilities LibJS: Use FlyString in PropertyKey instead of DeprecatedFlyString 2025-03-24 22:27:17 +00:00
.clang-format Meta: Support using clang-format on Objective-C++ files 2023-08-22 21:36:19 -04:00
.clang-tidy Meta: Disable clang-tidy “implicit-bool-conversion” check 2025-01-24 09:25:37 +01:00
.clangd Meta: Change the default build directories to exclude "ladybird" prefix 2024-11-06 10:38:57 -07:00
.editorconfig
.gitattributes LibGfx: Remove support for the various "portable" image formats 2024-06-17 21:57:35 +02:00
.gitignore Everywhere: Hoist the Libraries folder to the top-level 2024-11-10 12:50:45 +01:00
.gn Meta: Automatically generate a compilation database for clangd 2023-11-14 14:29:35 -05:00
.mailmap Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
.pre-commit-config.yaml Meta: Replace deprecated pre-commit stage name 2024-10-18 09:40:59 +02:00
.prettierignore Everywhere: Hoist the Libraries folder to the top-level 2024-11-10 12:50:45 +01:00
.prettierrc
.swift-format Meta: Add swift-format configuration 2024-07-30 18:38:02 -06:00
.ycm_extra_conf.py Meta: Make YCM return flags as Python list 2024-07-06 14:50:43 -06:00
CMakeLists.txt Meta: Link with OpenSSL explicitly 2025-02-17 12:36:26 +01:00
CMakePresets.json CMake: Ensure build and test presets for Distribution and Debug 2025-02-21 12:05:18 +01:00
CODE_OF_CONDUCT.md Meta: Add code of conduct (from the Ruby community) 2024-10-02 09:49:52 +02:00
CONTRIBUTING.md Meta: Switch to clang-format-19 as the standard formatter 2024-12-28 05:39:32 -08:00
ISSUES.md Docs: Add info about --enable-idl-tracing flag 2025-01-15 13:25:35 +00:00
LICENSE Meta: Update license year 2025-02-10 11:40:57 +00:00
README.md Libraries: Remove LibArchive 2024-11-25 13:37:45 +01:00
SECURITY.md Documentation: Make updates to align better with new issue template 2024-10-31 09:18:08 +01:00
vcpkg-configuration.json Meta: Add overlay port for vulkan-loader 2024-07-07 15:56:59 +02:00
vcpkg.json Meta: Add explicit vcpkg dependency for zlib 2025-03-19 13:46:50 +01:00

Ladybird

Ladybird is a truly independent web browser, using a novel engine based on web standards.

Important

Ladybird is in a pre-alpha state, and only suitable for use by developers

Features

We aim to build a complete, usable browser for the modern web.

Ladybird uses a multi-process architecture with a main UI process, several WebContent renderer processes, an ImageDecoder process, and a RequestServer process.

Image decoding and network connections are done out of process to be more robust against malicious content. Each tab has its own renderer process, which is sandboxed from the rest of the system.

At the moment, many core library support components are inherited from SerenityOS:

  • LibWeb: Web rendering engine
  • LibJS: JavaScript engine
  • LibWasm: WebAssembly implementation
  • LibCrypto/LibTLS: Cryptography primitives and Transport Layer Security
  • LibHTTP: HTTP/1.1 client
  • LibGfx: 2D Graphics Library, Image Decoding and Rendering
  • LibUnicode: Unicode and locale support
  • LibMedia: Audio and video playback
  • LibCore: Event loop, OS abstraction layer
  • LibIPC: Inter-process communication

How do I build and run this?

See build instructions for information on how to build Ladybird.

Ladybird runs on Linux, macOS, Windows (with WSL2), and many other *Nixes.

How do I read the documentation?

Code-related documentation can be found in the documentation folder.

Get in touch and participate!

Join our Discord server to participate in development discussion.

Please read Getting started contributing if you plan to contribute to Ladybird for the first time.

Before opening an issue, please see the issue policy and the detailed issue-reporting guidelines.

The full contribution guidelines can be found in CONTRIBUTING.md.

License

Ladybird is licensed under a 2-clause BSD license.