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Keith Packard b6d7ed4d78 miext: Move SyncShm FDs out of the way of clients 
Applications may end up allocating a bunch of shmfence objects, each
of which uses a file descriptor, which must be kept open lest some
other client ask for a copy of it later on.

Lacking an API that can turn a memory mapping back into a file
descriptor, about the best we can do is push the file descriptors out
of the way of other X clients so that we don't run out of the ability
to accept new connections.

This uses fcntl F_GETFD to push the FD up above MAXCLIENTS.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Julien Cristau <jcristau@debian.org>
 		2013-12-02 12:57:08 -08:00
..
.gitignore .gitignore: use common defaults with custom section #24239 2009-11-11 21:40:20 -08:00
Makefile.am xext: Fix shmint.h to not use headers outside of sdk_HEADERS 2013-11-14 10:22:15 +09:00
XIstubs.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
Xprintf.h os/xprintf: add Xvscnprintf and Xscnprintf 2012-05-03 14:59:23 +10:00
busfault.h Trap SIGBUS to handle truncated shared memory segments 2013-11-11 15:16:07 -08:00
callback.h dix: delete all callbacks before reset 2013-05-08 09:27:30 +10:00
client.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
closestr.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
closure.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
colormap.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
colormapst.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
cursor.h Abstract cursor refcounting 2013-05-15 19:17:57 +10:00
cursorstr.h dix: FIXES is not optional 2013-09-10 13:28:24 -04:00
dix-config-apple-verbatim.h Move the apple fat binary hacks back to a header file, and make it apple-only. 2009-01-30 16:36:45 -08:00
dix-config.h.in Select directory for MIT-SHM temp files at configure time 2013-12-02 12:56:33 -08:00
dix.h sync: if the idle time was reset, force alarms to trigger (#70476) 2013-10-18 16:44:32 +10:00
dixaccess.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
dixevents.h dix: Remove redundant declarations. 2012-05-14 13:31:00 +01:00
dixfont.h dix: fix redundant redeclaration warnings in dixfont 2012-11-05 13:24:59 -06:00
dixfontstr.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
dixfontstubs.h dix: fix redundant redeclaration warnings in dixfont 2012-11-05 13:24:59 -06:00
dixgrabs.h dix: AllocGrab can copy if an argument is passed in 2013-05-10 14:32:37 +10:00
dixstruct.h Get rid of the rest of the FD passing code when XTRANS_SEND_FDS isn't set 2013-11-11 15:32:07 -08:00
eventconvert.h input: drop FP1616 macro 2012-11-19 12:12:23 +10:00
events.h Add support for XI2.3: Pointer barrier events and releases. 2012-12-17 15:01:45 +10:00
eventstr.h Xi: use public.processInputProc to replay the touch history 2013-05-10 14:32:36 +10:00
exevents.h dix: Move DeviceFocusEvent from Xi into enterleave.c 2012-05-17 08:50:44 +10:00
extension.h Constify argument to LoadExtension 2012-11-21 11:13:55 +11:00
extinit.h present: Add Present extension 2013-10-31 16:59:18 -07:00
extnsionst.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
gc.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
gcstruct.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
globals.h Move extension initialisation prototypes into extinit.h 2012-07-09 23:06:41 -07:00
glx_extinit.h glx: drop GLX_LIBS from X server and workaround sdksyms. 2012-07-25 23:30:53 -07:00
hotplug.h xf86: don't hotplug output devices while VT switched. 2013-04-12 10:01:23 +10:00
input.h include: export key_is_down and friends 2013-11-14 15:36:54 +10:00
inputstr.h include: wrap EMASKSIZE in parentheses 2013-08-30 14:26:55 +10:00
inpututils.h dix: split xi2_mask_isset into a per-device function 2012-12-12 17:25:16 +10:00
kdrive-config.h.in kdrive: Add option to compile out input drivers 2010-01-06 19:47:53 +06:00
list.h list: Avoid using X types 2013-09-10 13:28:24 -04:00
misc.h Add swapll to byte swap 64-bit datatypes 2013-10-31 16:58:18 -07:00
miscstruct.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
opaque.h os: Add -displayfd option 2012-05-01 11:36:30 +10:00
optionstr.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
os.h miext: Move SyncShm FDs out of the way of clients 2013-12-02 12:57:08 -08:00
pixmap.h dix/pixmap: track dirty pixmaps in server. (v4) 2012-07-07 10:37:11 +01:00
pixmapstr.h dix/pixmap: track dirty pixmaps in server. (v4) 2012-07-07 10:37:11 +01:00
privates.h dbe: Fold the window private private into the window private 2013-09-10 13:28:24 -04:00
property.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
propertyst.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
protocol-versions.h Xext: Enable MIT-SHM FD-passing request definitions only when possible 2013-11-11 15:12:50 -08:00
ptrveloc.h dix: indentation fixes for pointer acceleration 2012-05-16 10:59:35 +10:00
region.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
regionstr.h Add a RegionDuplicate function 2013-10-31 16:58:16 -07:00
registry.h dix: add missing dixFreeRegistry define 2013-06-06 08:12:38 +10:00
resource.h xserver: Remove duplicate declaration in resource.h 2012-05-14 13:17:08 +01:00
rgb.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
screenint.h dix: don't use "new" as a parameter name 2012-07-25 09:27:11 -07:00
scrnintstr.h dix/randr: add a hook into screen to replace scanout pixmap 2012-07-07 10:39:09 +01:00
selection.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
servermd.h ARM64: Add support for aarch64 2013-11-06 16:41:49 -08:00
site.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
swaprep.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
swapreq.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
validate.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
version-config.h.in Move VENDOR_* defines from AC_SUBST to a header to avoid angering shave. 2009-04-14 10:35:44 -04:00
window.h dix: Remove MapUnmapEventsEnabled and friends 2012-09-23 10:41:54 -07:00
windowstr.h dix: Fix types in WindowOptRec 2012-09-20 14:40:18 -04:00
xkb-config.h.in Move to autoconf standard function name checks & defines 2011-12-05 14:32:45 -08:00
xkbfile.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
xkbrules.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
xkbsrv.h xkb: free XkbRulesUsed and XkbRulesDflt on extension cleanup 2013-05-07 09:40:51 +10:00
xkbstr.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
xorg-config.h.in Remove dix-config.h config variables from xorg-config.h 2013-11-11 15:11:52 -08:00
xorg-server.h.in Make XTrans FD passing support optional. Define only on Linux 2013-11-11 15:11:39 -08:00
xserver-properties.h Add missing labels for multitouch valuators 2012-10-30 15:11:10 +10:00
xsha1.h Move SHA1 computation from render/glyph.c to os/ 2009-10-15 01:17:44 +02:00
xwin-config.h.in include: Add RELOCATE_PROJECTROOT to xwin-config.h header 2013-01-16 16:48:34 +00:00