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Jeremy Huddleston Sequoia 6f13c13ed6 randr: Initialize RandR even if there are currently no screens attached 
Failure to do so causes an overvlow in RRClientCallback().

=================================================================
==41262==ERROR: AddressSanitizer: global-buffer-overflow on address 0x000103ccfbc8 at pc 0x0001034f32b9 bp 0x7000035a94c0 sp 0x7000035a94b8
WRITE of size 4 at 0x000103ccfbc8 thread T6
    #0 0x1034f32b8 in RRClientCallback randr.c:72
    #1 0x1038c75e3 in _CallCallbacks dixutils.c:737
    #2 0x10388f406 in CallCallbacks callback.h:83
    #3 0x1038bc49a in NextAvailableClient dispatch.c:3562
    #4 0x103ad094c in AllocNewConnection connection.c:777
    #5 0x103ad1695 in EstablishNewConnections connection.c:863
    #6 0x1038c6630 in ProcessWorkQueue dixutils.c:523
    #7 0x103ab2dbf in WaitForSomething WaitFor.c:175
    #8 0x103880836 in Dispatch dispatch.c:411
    #9 0x1038c2141 in dix_main main.c:301
    #10 0x1032ac75a in server_thread quartzStartup.c:66
    #11 0x7fffc5f16aaa in _pthread_body (libsystem_pthread.dylib+0x3aaa)
    #12 0x7fffc5f169f6 in _pthread_start (libsystem_pthread.dylib+0x39f6)
    #13 0x7fffc5f161fc in thread_start (libsystem_pthread.dylib+0x31fc)

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
(cherry picked from commit 7d901d6ecc179020e213664da475ae9e2888ea1d)
2016-09-26 00:24:00 -07:00
composite composite: Factor out backing store transition 2015-09-24 13:01:51 -04:00
config config: remove 10-evdev.conf, let the evdev driver install that file 2015-05-18 13:41:09 +10:00
damageext Replace 'pointer' type with 'void *' 2014-01-12 10:24:11 -08:00
dbe Convert top level extensions to new *allocarray functions 2015-04-21 16:57:08 -07:00
dix dix: Make InitCoreDevices() failures more verbose. 2016-09-26 00:21:54 -07:00
doc doc: Convert an \fP pair into appropriate tags. 2015-09-23 10:32:53 -04:00
dri3 dri3: Refuse to work for remote clients (v2) 2016-03-11 13:14:32 -05:00
exa EXA: Honour op parameter to exaGlyphs even if maskFormat == NULL 2016-07-06 13:21:27 -04:00
fb Fix alphamap interactions with wfb 2015-09-29 12:21:34 -04:00
glamor glamor: Translate solid text background region after clipping 2016-07-19 13:14:39 -04:00
glx glx: avoid memory leak when using indirect rendering 2016-07-06 13:35:30 -04:00
hw XQuartz: pbproxy shouldn't need to wait for server initialization. 2016-09-26 00:22:57 -07:00
include Allow compile-time selection of a fallback input driver 2016-09-01 16:32:58 +10:00
m4 configure.ac: remove remaining TLS references 2015-03-24 17:20:26 +00:00
man Xserver.man: document more transports for -nolisten & -listen options 2015-10-28 14:16:28 -04:00
mi mi: Correct a miscall of abs() to instead call fabs() 2015-10-19 11:49:52 -04:00
miext rootless: Fix bogus handling of broken root clip 2015-09-21 17:44:48 -04:00
os os/connection: Improve abstraction for launchd secure sockets 2016-09-26 00:23:51 -07:00
present present: Fix presentation of flips out of order 2016-06-21 12:08:30 +02:00
pseudoramiX Convert top level extensions to new *allocarray functions 2015-04-21 16:57:08 -07:00
randr randr: Initialize RandR even if there are currently no screens attached 2016-09-26 00:24:00 -07:00
record record: don't call RecordDeleteContext when AddResource fails 2016-03-11 13:14:33 -05:00
render exa: only draw valid trapezoids 2016-06-21 12:08:12 +02:00
test vidmode: move to a separate library of its own 2016-03-11 13:14:32 -05:00
Xext Xext/shm: Fix usage of F_GETFD to match standard 2016-09-26 00:20:30 -07:00
xfixes xfixes: avoid double free if AddResource fails 2016-03-11 13:14:33 -05:00
Xi Xi: don't deliver emulated motion events for non-emulating touches 2016-06-21 12:09:10 +02:00
xkb xkb: add a cause to the xkb indicator update after a keymap change 2016-07-06 13:35:30 -04:00
.dir-locals.el Add .dir-locals.el 2013-08-17 12:17:36 +02:00
.gitignore .gitignore: Add new autotools file 'test-driver' 2014-04-21 13:41:42 -07:00
autogen.sh autogen: Set a default subject prefix for patches 2016-03-11 13:14:30 -05:00
configure.ac Allow compile-time selection of a fallback input driver 2016-09-01 16:32:58 +10:00
COPYING modesetting: Merge modesetting's COPYING into the xserver's. 2014-09-15 12:46:02 -07:00
devbook.am doc: Create a script to filter xmlto output 2015-01-05 14:24:06 -08:00
docbook.am docbook.am: embed css styles inside the HTML HEAD element 2011-09-21 14:07:49 -07:00
fix-miregion Change region implementation names to eliminate the 'mi' prefix 2010-06-05 17:47:32 -07:00
fix-miregion-private Change region implementation names to eliminate the 'mi' prefix 2010-06-05 17:47:32 -07:00
fix-patch-whitespace Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
fix-region Rename region macros to eliminate screen argument 2010-06-05 18:59:00 -07:00
Makefile.am DIST_SUBDIRS needs to include glamor, even if it isn't built 2014-02-13 15:25:56 -08:00
manpages.am Xorg: Add a suid root wrapper 2014-03-12 08:50:05 +01:00
README packaging: provide a default README file #24206 2010-01-27 14:00:17 -08:00
xorg-server.m4 macros: clarify documentation 2012-11-05 13:24:57 -06:00
xorg-server.pc.in xfree86: link modules against Xorg symbols on Cygwin 2012-04-05 21:57:07 -05:00
xserver.ent.in doc: relocate xserver.ent in the package root directory 2011-05-14 11:22:26 -07:00

README 

					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:
http://en.wikipedia.org/wiki/X_server

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

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

Please submit bug reports to the Xorg bugzilla:

        https://bugs.freedesktop.org/enter_bug.cgi?product=xorg

The master development code repository can be found at:

        git://anongit.freedesktop.org/git/xorg/xserver

        http://cgit.freedesktop.org/xorg/xserver

For patch submission instructions, see:

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

For more information on the git code manager, see:

        http://wiki.x.org/wiki/GitPage