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Enrico Weigelt, metux IT consult 42efd8db89 (!1709) treewide: NULL-protect ScreenRec->DestroyPixmap() calls 
Right now, we're assuming that even when deep nesting involved, the proc
vector is always set to a valid function. One the one hand it requires
extra dummy procs in some cases, OTOH it's making upcoming refactoring
of the code flow unnecessarily complex.

The big plot (of subsequent commits) is splitting out the extension's
(and possibly subsystem's) special logic out of the wrapping chain and
let them be executed independently from the DDX/drivers - when applicable
even only when the pixmap is really destroyed (not just unref'ed).
(At some later point, it might even become be actually a valid situation
that DestroyPixmap vector really being NULL.)

See: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1754
See: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1755

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
 		2024-10-03 12:21:21 +02:00
.gitlab-ci CI: update meson from 0.56.2 (bullseye) to 1.0.0 (bullseye-backports) 2024-09-09 07:47:32 -07:00
Xext (!1709) treewide: NULL-protect ScreenRec->DestroyPixmap() calls 2024-10-03 12:21:21 +02:00
Xi dix: unexport GetSpritePosition() 2024-09-02 16:43:29 +00:00
composite treewide: fix indentions got broke by recent commit 2024-08-27 20:08:32 +02:00
config treewide: replace xnfcalloc() calls by XNFcallocarray() 2024-07-26 23:41:33 +00:00
damageext damage: fix missing removal of obsolete damageext.h 2024-08-31 22:29:01 +00:00
dbe treewide: fix indentions got broke by recent commit 2024-08-27 20:08:32 +02:00
dix dix: FindBestPixel: fix implicit fallthrough warning 2024-09-08 13:27:45 -07:00
doc dix: move colormap flags into colormap_priv.h and rename them 2024-09-01 22:06:50 +00:00
dri3 treewide: replace xnfalloc() calls to XNFalloc() 2024-07-26 23:41:33 +00:00
exa (!1709) treewide: NULL-protect ScreenRec->DestroyPixmap() calls 2024-10-03 12:21:21 +02:00
fb dix: unexport AllocColor() 2024-09-01 22:06:49 +00:00
glamor (!1709) treewide: NULL-protect ScreenRec->DestroyPixmap() calls 2024-10-03 12:21:21 +02:00
glx treewide: replace xnfstrdup() calls by XNFstrdup() 2024-07-26 23:41:34 +00:00
hw (!1710) xwin: fix memleak on freeing pixmaps 2024-10-03 12:20:43 +02:00
include dix: unexport DeleteAllWindowProperties() 2024-09-02 17:50:47 +00:00
man Xserver.man: Note that -byteswappedclients is the default in this release 2024-03-23 10:27:03 -07:00
mi dix: unexport NewCurrentScreen() 2024-09-02 16:43:29 +00:00
miext (!1709) treewide: NULL-protect ScreenRec->DestroyPixmap() calls 2024-10-03 12:21:21 +02:00
os os: Fix NULL pointer dereference 2024-09-23 09:36:52 +02:00
present build: Move epoll dependency check 2024-09-02 11:52:26 +00:00
pseudoramiX fix missing includes of <X11/Xfuncproto.h> 2024-07-20 17:18:38 +00:00
randr dix: unexport GetSpritePosition() 2024-09-02 16:43:29 +00:00
record dix: drop superfluous XineramaGetCursorScreen() 2024-09-02 16:43:29 +00:00
render dix: unexport cursor allocation functions 2024-09-02 16:43:29 +00:00
test include: move private definitions out of input.h 2024-09-01 17:59:23 +00:00
xfixes dix: unexport cursor refcounting functions 2024-09-02 16:43:29 +00:00
xkb dix: unexport GetSpritePosition() 2024-09-02 16:43:29 +00:00
.appveyor.yml appveyor: Add libxcvt build dep 2021-11-04 13:03:25 +00:00
.dir-locals.el .dir-locals.el: Add missing final newline 2019-10-01 17:05:28 +00:00
.gitignore Clean up the .gitignore file 2024-01-12 00:50:24 +00:00
.gitlab-ci.yml ci: reduce nolibdecor build to xwayland only 2024-09-10 13:49:30 +02:00
.mailmap Add a .mailmap file to canonicalize author names and emails 2023-03-15 18:10:51 +00:00
.travis.yml travis: Add OSX meson build to matrix 2019-05-02 15:42:58 +00:00
COPYING modesetting: Merge modesetting's COPYING into the xserver's. 2014-09-15 12:46:02 -07:00
README.md Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
meson.build meson: list required version of xproto headers in xorg-server.pc 2024-09-09 07:48:07 -07:00
meson_options.txt os: drop SUN-DES-1 authentication 2024-06-18 00:52:11 +00:00
xorg-server.m4 xorg-server.m4: just all cflags instead of just sdkdir 2018-09-20 20:12:24 +01:00
xorg-server.pc.in xfree86: link modules against Xorg symbols on Cygwin 2012-04-05 21:57:07 -05:00
xserver.ent.in
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README.md

X Server

The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.

Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.

For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server

All questions regarding this software should be directed at the Xorg mailing list:

https://lists.freedesktop.org/mailman/listinfo/xorg

The primary development code repository can be found at:

https://gitlab.freedesktop.org/xorg/xserver

For patch submission instructions, see:

https://www.x.org/wiki/Development/Documentation/SubmittingPatches

As with other projects hosted on freedesktop.org, X.Org follows its Code of Conduct, based on the Contributor Covenant. Please conduct yourself in a respectful and civilized manner when using the above mailing lists, bug trackers, etc:

https://www.freedesktop.org/wiki/CodeOfConduct