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Andreas Kling f1b5def8fd Kernel: Factor address space management out of the Process class 
This patch adds Space, a class representing a process's address space.

- Each Process has a Space.
- The Space owns the PageDirectory and all Regions in the Process.

This allows us to reorganize sys$execve() so that it constructs and
populates a new Space fully before committing to it.

Previously, we would construct the new address space while still
running in the old one, and encountering an error meant we had to do
tedious and error-prone rollback.

Those problems are now gone, replaced by what's hopefully a set of much
smaller problems and missing cleanups. :^)
2021-02-08 18:27:28 +01:00
.github Revert "Meta: Enable CodeQL static analysis for Serenity" 2021-02-03 18:42:02 +01:00
AK AK: Add dbgln() format checking 2021-02-08 18:08:55 +01:00
Base Base: Remove /res/pci.ids and download at build time instead 2021-02-07 01:14:36 +01:00
Documentation Documentation: QtCreator and <syscall.h> 2021-02-08 18:03:57 +01:00
Kernel Kernel: Factor address space management out of the Process class 2021-02-08 18:27:28 +01:00
Meta Kernel: Make Arch/i386/CPU.cpp safe to run through clang-format 2021-02-08 18:08:55 +01:00
Ports Ports: Fix linking of the stress-ng port 2021-02-07 12:16:37 +01:00
Toolchain Meta: Get building on NixOS (#5005) 2021-01-22 17:44:05 +01:00
Userland Everywhere: Replace dbgln<flag>(...) with dbgln_if(flag, ...) 2021-02-08 18:08:55 +01:00
.clang-format
.gitattributes
.gitignore Ports: Move packages.db from Ports/ to Build/ 2021-02-01 19:40:34 +01:00
.pre-commit-config.yaml Meta: Update lint-{clang-format,shell-scripts}.sh to take a list of files 2020-12-27 21:25:27 +01:00
.prettierignore Meta: Add lint-prettier.sh 2020-12-27 21:25:27 +01:00
.prettierrc
CMakeLists.txt Build: Allow setting DBGLN_NO_COMPILETIME_FORMAT_CHECK via CMake flag 2021-02-08 18:27:28 +01:00
CODE_OF_CONDUCT.md
CONTRIBUTING.md Meta+Docs+CI: Require clang-format >= 11 2020-12-31 21:51:00 +01:00
LICENSE Meta: Update project copyright dates (2018-2021) :^) 2021-01-01 01:14:16 +01:00
ReadMe.md Meta: Add Andrew Kaster to the contributors list :^) 2021-01-13 11:26:16 +01:00

ReadMe.md

SerenityOS

Graphical Unix-like operating system for x86 computers.

Build status Fuzzing Status

About

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. This is a system by us, for us, based on the things we like.

I (Andreas) regularly post raw hacking sessions and demos on my YouTube channel.

Sometimes I write about the system on my github.io blog.

I'm also on Patreon and GitHub Sponsors if you would like to show some support that way.

Screenshot

Screenshot as of 8ea4375

Kernel features

  • x86 (32-bit) kernel with pre-emptive multi-threading
  • Hardware protections (SMEP, SMAP, UMIP, NX, WP, TSD, ...)
  • IPv4 stack with ARP, TCP, UDP and ICMP protocols
  • ext2 filesystem
  • POSIX signals
  • Purgeable memory
  • /proc filesystem
  • Pseudoterminals (with /dev/pts filesystem)
  • Filesystem notifications
  • CPU and memory profiling
  • SoundBlaster 16 driver
  • VMWare/QEMU mouse integration

System services

  • Launch/session daemon (SystemServer)
  • Compositing window server (WindowServer)
  • Text console manager (TTYServer)
  • DNS client (LookupServer)
  • Network protocols server (ProtocolServer)
  • Software-mixing sound daemon (AudioServer)
  • Desktop notifications (NotificationServer)
  • HTTP server (WebServer)
  • Telnet server (TelnetServer)
  • DHCP client (DHCPClient)

Libraries

  • C++ templates and containers (AK)
  • Event loop and utilities (LibCore)
  • 2D graphics library (LibGfx)
  • GUI toolkit (LibGUI)
  • Cross-process communication library (LibIPC)
  • HTML/CSS engine (LibWeb)
  • JavaScript engine (LibJS)
  • Markdown (LibMarkdown)
  • Audio (LibAudio)
  • PCI database (LibPCIDB)
  • Terminal emulation (LibVT)
  • Out-of-process network protocol I/O (LibProtocol)
  • Mathematical functions (LibM)
  • ELF file handling (LibELF)
  • POSIX threading (LibPthread)
  • Higher-level threading (LibThread)
  • Transport Layer Security (LibTLS)
  • HTTP and HTTPS (LibHTTP)

Userland features

  • Unix-like libc and userland
  • Shell with pipes and I/O redirection
  • On-line help system (both terminal and GUI variants)
  • Web browser (Browser)
  • C++ IDE (HackStudio)
  • IRC client
  • Desktop synthesizer (Piano)
  • Various desktop apps & games
  • Color themes

How do I read the documentation?

Man pages are browsable outside of SerenityOS under Base/usr/share/man.

When running SerenityOS you can use man for the terminal interface, or help for the GUI interface.

How do I build and run this?

See the SerenityOS build instructions

Before opening an issue

Please see the issue policy.

Communication hubs

The main hub is #serenityos on the Freenode IRC network.

We also have a project mailing list: serenityos-dev.

Author

Contributors

(And many more!) The people listed above have landed more than 100 commits in the project. :^)

License

SerenityOS is licensed under a 2-clause BSD license.