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Simple Directmedia Layer
6,190 Commits 4 Branches 16 Tags 92 MiB
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C++ 36.4%
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Sam Lantinga 07eae7d670 Fix process randomly getting killed when SDL_THREAD_PRIORITY_HIGH/TIME_CRITICAL is set 
When we request realtime priority from rtkit, we have a rttime limit. If we exceed
that limit, the kernel will send SIGKILL to the process to terminate it.

This isn't something that most high priority processes will want, only processes
that selectively opt into SCHED_RR/FIFO through SDL_HINT_THREAD_PRIORITY_POLICY
should be subject to this level of scrutiny.

This change:
  * Switches non-apple posix OSs to use SCHED_OTHER instead of SCHED_RR
for SDL_THREAD_PRIORITY_HIGH/SDL_THREAD_PRIORITY_TIME_CRITICAL.
  * Fixes using a hardcoded RLIMIT_RTTIME, instead queries it from rtkit
  * Only sets RLIMIT_RTTIME for MakeRealtime rtkit requests
  * Adds a note regarding the possible SIGKILL with SDL_HINT_THREAD_PRIORITY_POLICY
  * Introduces SDL_HINT_THREAD_FORCE_REALTIME_TIME_CRITICAL to allow apps to acquire realtime scheduling policies on Linux
 		2020-11-11 08:47:18 -08:00
VisualC Be explicit about mapping the new game controller paddle buttons 2020-11-07 02:22:15 -08:00
VisualC-WinRT url: WinRT actually works now (and has been tested, hooray!). 2020-10-06 00:42:17 -04:00
Xcode Fix MakeThreadRealtime DBus method call on Linux, type mismatch due to copy paste. 2020-11-09 10:11:38 -08:00
Xcode-iOS Be explicit about mapping the new game controller paddle buttons 2020-11-07 02:22:15 -08:00
acinclude ac_check_define.m4: remove stray AC_DEFINE outside of the macro definition 2020-09-16 22:20:02 +03:00
android-project Android: keep compatibility with older JDK 2020-10-28 14:03:05 +01:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts Fixed mkdir warning when running iosbuild.sh multiple times 2020-05-27 09:57:51 -07:00
cmake cmake: Set HAVE_VIDEO_WAYLAND_QT_TOUCH if appropriate (thanks, Michael!). 2020-04-14 18:14:39 -04:00
debian Backed out changeset 51622f74dc85 2020-03-10 18:35:31 -07:00
docs added documentation docs/README-os2.md (based on original readme.os2). 2020-10-14 23:01:06 +03:00
include Fix process randomly getting killed when SDL_THREAD_PRIORITY_HIGH/TIME_CRITICAL is set 2020-11-11 08:47:18 -08:00
src Fix process randomly getting killed when SDL_THREAD_PRIORITY_HIGH/TIME_CRITICAL is set 2020-11-11 08:47:18 -08:00
test testvulkan: Patched to compile with SDL's internal Vulkan headers. 2020-11-09 04:55:15 -05:00
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 minor whitespace fix 2020-10-09 03:28:30 +03:00
BUGS.txt BUGS.txt: Changed mailing list link to discourse.libsdl.org. 2017-04-01 00:05:25 -04:00
CMakeLists.txt cmake: look for iconv in libc, too (bug #5316.) 2020-10-13 15:20:03 +03:00
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 Updated iOS tests and demos for latest SDL linking requirements 2020-11-06 13:03:07 -08:00
Makefile.minimal Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.os2 Makefile.os2: remove duplicated OPTION QUIET directives from linker file 2020-10-19 04:33:03 +03:00
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 kmsdrm: Make this build with significantly older system libraries. 2020-10-26 09:49:09 -04:00
configure.ac kmsdrm: Make this build with significantly older system libraries. 2020-10-26 09:49:09 -04:00
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 build: Merge pkg-config Libs.private into Libs for static-only builds 2020-04-11 23:38:34 +01:00
sdl2-config.in build: Don't duplicate Libs in Libs.private in pkg-config file 2020-04-12 13:24:36 +01:00
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 build: Merge pkg-config Libs.private into Libs for static-only builds 2020-04-11 23:38:34 +01:00

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)