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Peter Hutterer 7b7753e97f sync: if the idle time was reset, force alarms to trigger (#70476) 
The time between the idle reset and the IdleTimeWakeupHandler to be called is
indeterminate. Clients with an PositiveTransition or NegativeTransition alarm
on a low threshold may miss an alarm.

Work around this by keeping a reset flag for each device. When the
WakeupHandler triggers and the reset flag is set, we force a re-calculation of
everything and pretend the current idle time is zero. Immediately after is the
next calculation with the real idle time.

Relatively reproducible test case: Set up a XSyncNegativeTransition alarm for
a threshold of 1 ms. May trigger, may not.

X.Org Bug 70476 <http://bugs.freedesktop.org/show_bug.cgi?id=70476>

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
(cherry picked from commit 06b87aa528)
2013-10-22 15:43:59 +10:00
composite Move extension initialisation prototypes into extinit.h 2012-07-09 23:06:41 -07:00
config config/udev: fix "removing GPU device" format string mistake 2013-01-21 19:41:09 -08:00
damageext Move extension initialisation prototypes into extinit.h 2012-07-09 23:06:41 -07:00
dbe Move extension initialisation prototypes into extinit.h 2012-07-09 23:06:41 -07:00
dix sync: if the idle time was reset, force alarms to trigger (#70476) 2013-10-22 15:43:59 +10:00
doc doc: Update documentation about Windows platforms support a bit 2012-10-29 12:21:14 +00:00
exa Fix formatting of address operators 2012-12-05 18:09:48 -06:00
fb dix: allow pixmap dirty helper to be used for non-shared pixmaps 2013-07-12 11:23:29 +10:00
glx glx: fix uninitialized var in __glXDRIscreenProbe 2013-07-11 09:46:11 +10:00
hw xfree86: improve check for posix saved ids 2013-09-15 22:03:31 +02:00
include sync: if the idle time was reset, force alarms to trigger (#70476) 2013-10-22 15:43:59 +10:00
m4 XORG_TLS: Pick the first option that works (ie: prefer __thread) 2013-02-14 09:20:47 -08:00
man Correct description of -displayfd option in man page. 2012-10-11 12:53:57 +01:00
mi Allow disabling XFree86-DGA, DRI, VidModeExtension extensions 2013-10-21 20:39:47 -06:00
miext miext/damage: Only wrap into the GC ops chain if there's a listener (v3) 2012-09-23 10:47:18 -07:00
os dix: provide accessor methods for the last device event time 2013-10-22 15:43:58 +10:00
randr randr: cleanup provider properly 2013-03-01 18:14:28 +10:00
record Move extension initialisation prototypes into extinit.h 2012-07-09 23:06:41 -07:00
render Abstract cursor refcounting 2013-07-17 14:37:37 +10:00
test test: fix the gcc diagnostics pragma 2013-10-22 15:42:34 +10:00
Xext sync: if the idle time was reset, force alarms to trigger (#70476) 2013-10-22 15:43:59 +10:00
xfixes Abstract cursor refcounting 2013-07-17 14:37:37 +10:00
Xi Xi: allow for XIAllowEvent requests larger than XI < 2.2 size (#68554) 2013-10-22 15:42:53 +10:00
xkb dix: don't overwrite proximity/focus classes 2013-06-06 08:58:27 +10:00
.gitignore doc: relocate xserver.ent in the package root directory 2011-05-14 11:22:26 -07:00
autogen.sh autogen.sh: Honor NOCONFIGURE=1 2012-10-19 13:12:33 +10:00
configure.ac xfree86: improve check for posix saved ids 2013-09-15 22:03:31 +02:00
COPYING Loader: Remove extension initialisation sorting 2012-07-10 00:31:02 -07:00
devbook.am devbook.am: maintenance update from docbook.am 2011-09-21 14:07:52 -07:00
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 Add 'install-headers' target in the top-level Makefile 2012-07-09 16:29:04 -07:00
manpages.am Xdmx.man: Show actual configured XKB defaults instead of old hardcoded values 2011-06-21 17:54:14 -07:00
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