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Simple Directmedia Layer
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Sam Lantinga f4a56d7e61 Enable thread-safety features in libdbus 
There are multiple SDL APIs that internally sink into dbus calls, e.g. battery
status, thread priority. If those calls happen in different threads simultaneously
it can result in dbus crashes.

To abide by dbus's multithreading guidelines we must call dbus_threads_init_default()
to enable dbus's internal locking mechanisms:
https://dbus.freedesktop.org/doc/api/html/group__DBusThreads.html#gac7b8a7001befc3eaa8c6b043151008dc

Additionally, access to a DBusMessage must be synchronized between threads.
SDL was already abiding that guideline as the DBusMessage structs aren't shared.

The following email from the dbus mailing list hints that arbitrating access to
the DBusConnection on the SDL may also be required:
https://lists.freedesktop.org/archives/dbus/2017-September/017306.html
 		2020-03-30 14:26:15 -07:00
VisualC Fixed bug 4477 - Support more than 4 XInput-capable devices on Windows 2020-03-16 12:23:38 -07:00
VisualC-WinRT virtual joysticks: MSVC support part 2/2, add file refs to MSVC projects (bug 5028) 2020-03-15 16:01:19 -04:00
Xcode virtual joysticks: MSVC support part 1/2, make driver's .c file be uniquely named 2020-03-15 15:05:36 -04:00
Xcode-iOS iOS: fixed bug whereby some SDL testing apps weren't launching 2020-03-23 14:54:31 -04:00
acinclude Added missing PKG_CONFIG macros 2019-03-16 17:39:15 -07:00
android-project Fixed java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.WindowManager android.app.Activity.getWindowManager()' on a null object reference 2020-03-05 08:43:16 -08:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts Fixed build warning when using mingw-64 - the SDL code doesn't have any undefined symbols 2020-03-20 20:40:14 -07:00
cmake Fixed bug 5044 - CMake messes up hidapi path when project directory contains spaces 2020-03-20 12:13:26 -07:00
debian Backed out changeset 51622f74dc85 2020-03-10 18:35:31 -07:00
docs CMake: tabs to spaces in new parts of README-cmake.md 2019-09-23 18:30:22 -04:00
include Updated documentation so people know to set the SDL_HINT_NO_SIGNAL_HANDLERS hint before SDL_Init() 2020-03-20 15:55:02 -07:00
src Enable thread-safety features in libdbus 2020-03-30 14:26:15 -07:00
test Fixed bug 5028 - Virtual Joysticks (new joystick backend) 2020-03-13 19:08:45 -07:00
visualtest test: unify all the command line usage logging. 2019-05-28 17:39:13 -04:00
wayland-protocols wayland: ask xdg-decoration protocol extension to use server-side decorations if possible. 2018-11-04 21:08:40 +01:00
.hgignore Fixed bug 4965 - Update the .hgignore file 2020-02-03 16:38:07 -08:00
Android.mk There are lots of unused macros in the Steam controller code 2020-01-29 20:09:12 -08:00
BUGS.txt BUGS.txt: Changed mailing list link to discourse.libsdl.org. 2017-04-01 00:05:25 -04:00
CMakeLists.txt Fixed bug 5028 - Virtual Joysticks (new joystick backend) 2020-03-13 19:08:45 -07:00
COPYING.txt Updated copyright date for 2020 2020-01-16 20:49:25 -08:00
CREDITS.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
INSTALL.txt More HTTPS doc tweaks. 2017-02-16 16:59:07 -05:00
Makefile.in Fixed warning building version.rc using mingw-64 2020-03-20 20:33:26 -07:00
Makefile.minimal Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.os2 Backed out changeset 51622f74dc85 2020-03-10 18:35:31 -07:00
Makefile.pandora Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.psp added SDL_strtokr() as a replacement for POSIX strtok_r (bug #4046.) 2019-11-20 20:40:50 +03:00
Makefile.wiz Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
README-SDL.txt More HTTPS changes in the documentation. 2017-02-16 16:52:03 -05:00
README.txt readme: correct webpage URL to use HTTPS. 2017-02-16 13:30:34 -05:00
SDL2.spec.in Fixed bug 4615 - RPM Build fails due to unpackaged files 2019-06-11 19:58:10 -07:00
SDL2Config.cmake Fixed bug 3651 - CMake build does not install CMake package configuration 2017-08-09 19:03:10 -07:00
TODO.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
VisualC.html Fixed two typos in documentation. 2016-01-12 22:23:53 +01:00
WhatsNew.txt Updated WhatsNew.txt with SDL 2.0.12 release notes 2020-03-02 11:39:44 -08:00
autogen.sh Don't use pushd/popd in autogen.sh; Ubuntu's /bin/sh doesn't support it. 2016-12-26 22:58:58 -05:00
cmake_uninstall.cmake.in Fixed bug 3867 - Can't find install_manifest.txt when running 'uninstall' target 2017-10-12 08:44:45 -07:00
configure Fixed warning building version.rc using mingw-64 2020-03-20 20:33:26 -07:00
configure.ac Fixed warning building version.rc using mingw-64 2020-03-20 20:33:26 -07:00
sdl2-config-version.cmake.in cmake: Forgot to add this file to revision control. 2020-02-25 14:52:03 -05:00
sdl2-config.cmake.in cmake: more proper sdl2-config.cmake work (thanks, Alexander!) 2020-02-21 15:52:35 -05:00
sdl2-config.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
sdl2.m4 Fixed bug 4544 - SDL2.m4 SDL2.framework patch made it impossible to fail detection 2019-03-16 18:45:10 -07:00
sdl2.pc.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00

README.txt 

                         Simple DirectMedia Layer

                                  (SDL)

                                Version 2.0

---
https://www.libsdl.org/

Simple DirectMedia Layer is a cross-platform development library designed
to provide low level access to audio, keyboard, mouse, joystick, and graphics
hardware via OpenGL and Direct3D. It is used by video playback software,
emulators, and popular games including Valve's award winning catalog
and many Humble Bundle games.

More extensive documentation is available in the docs directory, starting
with README.md

Enjoy!
	Sam Lantinga				(slouken@libsdl.org)