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Simple Directmedia Layer
4,151 Commits 4 Branches 16 Tags 92 MiB
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Ryan C. Gordon f59b0056d3 evdev: On sudden termination, make sure keyboard isn't lost (thanks, Tadek!) 
"In release 2.0.6, when Linux evdev keyboard support has been moved to a
separate source file, a feature was added to disable normal keyboard event
processing to prevent "spilling" keystrokes to background virtual console.

This feature has one unpleasant side effect: if application fails to call
`SDL_Exit` before termination or crashes with fatal signal, console is left
in unusable state with keyboard not working and no possibility to switch
virtual console. If user has a chance, he can login remotely and restore
keyboard with `kbd_mode`, otherwise the only option is to reboot the machine.

This patch fixes that problem by intercepting fatal signals (with `sigaction`)
and process termination (with `atexit`), to restore keyboard state, if it
wasn't properly restored with `SDL_Exit`.

The function registered with `atexit` also restores original signal handlers,
to prevent leaving invalid handlers after SDL library is unloaded, if it was
loaded dynamically with `dlopen`.

No signal handlers or `atexit` function are installed if SDL boolean hint
`SDL_HINT_NO_SIGNAL_HANDLERS` is `SDL_TRUE`.

Additionally, if environment variable `SDL_INPUT_LINUX_KEEP_KBD` exists,
keyboard initialization function completely skips disabling keyboard. This
can be useful for debugging."

Fixes Bugzilla #4193.
 		2018-08-07 16:56:46 -04:00
VisualC SDL_exp 2018-08-04 11:52:46 -04:00
VisualC-WinRT Windows Phone 8.0 is no longer supported 2018-02-09 08:03:03 -08:00
Xcode ran 'chmod -x' on two files 2018-06-30 20:03:23 +03:00
Xcode-iOS ran 'chmod -x' on many files 2018-06-12 14:00:15 +03:00
acinclude Fixed bug 3481 - Configure fails to detect dynamic library support on powerpc64le 2016-11-06 20:26:48 -08:00
android-project Clean up captured pointer code to avoid logcat clutter on pre-8.0 systems (thanks Rachel!) 2018-07-13 12:55:50 -07:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts ltmain.sh: make OSX autofoo builds' compatibility version match Xcode builds. 2018-07-05 23:01:10 +03:00
cmake wayland: Keep protocol XML files in-tree. 2018-06-25 09:37:25 -07:00
debian Updated copyright for 2018 2018-01-03 10:03:25 -08:00
docs audio: Added ARM NEON versions of audio converters. 2018-05-16 02:03:06 -04:00
include SDL_exp 2018-08-04 11:52:46 -04:00
src evdev: On sudden termination, make sure keyboard isn't lost (thanks, Tadek!) 2018-08-07 16:56:46 -04:00
test Some drag'and'drop improvements. 2018-08-02 16:03:47 -04:00
visualtest ran 'chmod -x' on many files 2018-06-12 14:00:15 +03:00
wayland-protocols wayland: Keep protocol XML files in-tree. 2018-06-25 09:37:25 -07:00
.hgignore Updated SDL's YUV support, many thanks to Adrien Descamps 2017-11-12 22:51:12 -08:00
Android.mk Allow trapping the back button so right mouse click can work on some Android systems (thanks Rachel!) 2018-07-12 13:28:13 -07:00
BUGS.txt BUGS.txt: Changed mailing list link to discourse.libsdl.org. 2017-04-01 00:05:25 -04:00
CMakeLists.txt SDL_exp 2018-08-04 11:52:46 -04:00
COPYING.txt Updated copyright for 2018 2018-01-03 10:03:25 -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 wayland: Keep protocol XML files in-tree. 2018-06-25 09:37:25 -07:00
Makefile.minimal Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
Makefile.pandora pandora: Fixed compiler warning about redefining SDL_REVISION. 2017-06-18 23:00:27 +02:00
Makefile.psp PSP: Added missing object for generic TLS to Makefile. 2016-02-13 17:34:14 +01:00
Makefile.wiz Pandora: Updated SDL version in Makefile. 2016-07-19 21:01:30 +02:00
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 crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
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 Added SDL_GameControllerMappingForDeviceIndex() to get the mapping for a controller before it's opened 2018-03-07 13:30:40 -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 SDL_exp 2018-08-04 11:52:46 -04:00
configure.in SDL_exp 2018-08-04 11:52:46 -04:00
sdl2-config.cmake.in Applied Ubuntu patch bug_822210_fix_sdl2-config.cmake_whitespace.patch 2016-10-07 15:08:37 -07:00
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 3429 - Update AM_PATH_SDL2() to also check for SDL2.framework 2016-09-29 16:37:08 -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)