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path: root/nx-X11/programs/Xserver/hw/nxagent/Display.c
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* nxagent: make X2GO support optionalUlrich Sibiller2021-06-081-0/+4
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* Display.c: fix and reformat broken commentUlrich Sibiller2021-01-161-12/+11
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* fix formatting and spelling in various filesUlrich Sibiller2021-01-161-1/+1
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* Display.c: prevent PVS Studio realloc warningUlrich Sibiller2021-01-151-5/+11
| | | | | | "V701 realloc() possible leak: when realloc() fails in allocating memory, original pointer 'nxagentDefaultColormaps' is lost. Consider assigning realloc() to a temporary pointer."
* nxagent: make nxagentBlocking an BooleanUlrich Sibiller2021-01-151-2/+2
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* nxagent: improve Boolean handling for Reconnect functionsUlrich Sibiller2021-01-151-7/+7
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* nxagent: make nxagentDoFullgeneration a BooleanUlrich Sibiller2021-01-151-1/+1
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* nxagent: treat several nxagentOptions as real BooleansUlrich Sibiller2021-01-151-1/+1
| | | | | | | Adaptive, Composite, DeviceControl, DeviceControlUserDefined, IgnoreVisibility, InhibitXkb, Nested, Menu, MagicPixel, Persistent, Reset, ResetzKeyboardAtResume, SharedMemory, SharedPixmaps, Streaming, UseDamage, ViewOnly, Xdmcp, Xinerama
* nxagent: add names to some windows in DEBUG modeUlrich Sibiller2020-10-171-0/+12
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* Display.c: disable confine windowUlrich Sibiller2020-10-171-0/+4
| | | | We are not using it anywhere so let's disable it via a macro for now.
* Display.c: factor out confinement window creationUlrich Sibiller2020-10-171-30/+24
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* Display.c: filter remote Pixmap formats before doing the compatiblity checkUlrich Sibiller2020-05-071-5/+75
| | | | Fixes: ArcticaProject/nx-libs#635
* Display.c: fix implicit declarationUlrich Sibiller2020-05-071-0/+1
| | | | | | | | Display.c: In function ‘nxagentResetDisplayHandlers’: Display.c:901:5: warning: implicit declaration of function ‘nxagentReleaseAllSplits’; did you mean ‘nxagentWakeupBySplit’? [-Wimplicit-function-declaration] nxagentReleaseAllSplits(); ^~~~~~~~~~~~~~~~~~~~~~~ nxagentWakeupBySplit
* Display.c: fix common realloc mistakeUlrich Sibiller2020-05-071-2/+7
| | | | | As reported by static analyzer: (error) Common realloc mistake: 'nxagentVisuals' nulled but not freed upon failure
* nxagent: rename variables that shadow globalsUlrich Sibiller2020-01-251-15/+15
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* Display.c: fix shadowed/unused variableUlrich Sibiller2020-01-091-1/+0
| | | | | | | | | | | Display.c: In function ‘nxagentInitAndCheckVisuals’: Display.c:2273:10: warning: declaration of ‘matched’ shadows a previous local [-Wshadow=compatible-local] bool matched = false; ^~~~~~~ Display.c:2258:8: note: shadowed declaration is here bool matched; ^~~~~~~ Display.c:2258:8: warning: unused variable ‘matched’ [-Wunused-variable]
* Display.c: Fix broken code in TEST caseUlrich Sibiller2020-01-061-2/+1
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* Display.c: add a describing comment for nxagentDisplayErrorPredicateUlrich Sibiller2020-01-061-0/+14
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* Display.c: reformat some commentsUlrich Sibiller2020-01-061-39/+43
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* Display.c: scope improvementsUlrich Sibiller2020-01-061-33/+23
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* nxagent: drop CYGWIN and WIN32 definesUlrich Sibiller2020-01-061-1/+0
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* Display.c: remove blank linesUlrich Sibiller2020-01-051-11/+0
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* Display.c: code simplification, scope improvementsUlrich Sibiller2020-01-051-28/+17
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* Display.c: reformat commentsUlrich Sibiller2020-01-051-43/+36
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* Display.c: reformat commentsUlrich Sibiller2020-01-051-154/+113
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* Display.c: shorten codeUlrich Sibiller2020-01-051-58/+32
| | | | scope improvements, designated initializers
* Display.c: drop icon file supportUlrich Sibiller2020-01-051-144/+16
| | | | | | | | | | | | | | | | | | | The normal case was to use the builtin icons. There were two cases where the icon file was read from disk: 1) /usr/NX/share/images/nxagent.xpm was existing which normally is not there 2) case 2 was not true and nxagent.xpm was existing somewhere in the PATH (!) (replace nxagent.xpm by x2goagent.xpm if in x2gp mode) Scanning the path from the PATH variable for xpm files is kind of unexpected and dangerous, too (think of automounter triggers or invalid xpm files). Also remove the xpm files from the distribution.
* Display.c: fix formatUlrich Sibiller2019-09-291-5/+5
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* Splash.c: remove global variables for colorsUlrich Sibiller2019-08-271-16/+0
| | | | Make them defines. Also determine the screen depth dynamically.
* Display.c: safe some lines by calling SAFE_XFree and SAFE_freeUlrich Sibiller2019-08-061-49/+16
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* Revert "nxagent: rework Bool handling"Ulrich Sibiller2019-02-151-1/+1
| | | | | | | | | | | | This reverts commit 16cd2bbe1c4425e3fa557f9ca0723aa94a50b071. It turned out that I had missed some of the Booleans being actually tristate variables. I think I can fix this (they do not need to be tristate) but I revert this for now to get back to a working state (there are reports about non-working fullscreen mode and reconnect problems). Refers to ArcticaProject/nx-libs#772
* nxagent: rework Bool handlingUlrich Sibiller2019-02-111-1/+1
| | | | drop "== False", "== 0", "== True" and "== 0" for nxagentOptions and Traps
* Set default screen size to the whole screen in rootless modeUlrich Sibiller2019-01-141-2/+2
| | | | | | | This solves weird window (menu) placement and drawing behaviour on right/lowest 25% of the screen. Fixes ArcticaProject/nx-libs#757 (Part 1/2)
* nxagentInitAndCheckVisuals: adapt bool usage to match the previous functionUlrich Sibiller2018-10-221-9/+7
| | | | One question remains: why are we using "bool" instead of "Bool" here?
* hw/nxagent: fix spelling errors as reported by codespellUlrich Sibiller2018-05-241-3/+3
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* hw/nxagent/: Use <function>(void) rather than <function>().Mike Gabriel2018-02-261-19/+19
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* Display.c: drop helper variable in loopUlrich Sibiller2018-01-071-4/+2
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* Error.c: replace strcpy/strcat by snprintfUlrich Sibiller2018-01-071-2/+1
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* Display.c: pass down buffer size to nxagentLookForIconFileUlrich Sibiller2018-01-071-24/+22
| | | | Also comment the code and convert error messages to warnings.
* Replace hardcoded string lengths by macrosUlrich Sibiller2018-01-071-1/+1
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* Dialog.c: fix possible buffer overflowsUlrich Sibiller2018-01-071-0/+13
| | | | Fix write past the end of singlePath if PATH contains dirs longer than PATH_MAX.
* Dialog.c,Display.c,NXdixfonts.c: replace strncpy() by snprintf where appropriateUlrich Sibiller2018-01-071-7/+5
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* Dialog.c,Display.c,Font.c,NXdixfonts.c: don't use hardcoded string buffer ↵Ulrich Sibiller2018-01-071-3/+3
| | | | lengths
* Report Xlib-side window IDs to session.log in machine readable form. This ↵Mike Gabriel2017-07-051-2/+11
| | | | feature can be enabled by the cmdline options -reportwids and -reportprivatewids.
* dix/os: backport various signal handling and smart scheduler changes from X.orgMike Gabriel2017-03-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Backported from X.org: commit 6178b1c91cfc9e860914acc6f0be2f2d2e07a124 Author: Adam Jackson <ajax@redhat.com> Date: Tue Jun 7 15:52:11 2016 -0400 dix: Use OsSignal() not signal() As the man page for the latter states: The effects of signal() in a multithreaded process are unspecified. We already have an interface to call sigaction() instead, use it. Signed-off-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Keith Packard <keithp@keithp.com> commit e10ba9e4b52269b2ac75c4802dce4ca47d169657 Author: Keith Packard <keithp@keithp.com> Date: Wed Nov 11 22:02:01 2015 -0800 Remove non-smart scheduler. Don't require setitimer. This allows the server to call GetTimeInMillis() after each request is processed to avoid needing setitimer. -dumbSched now turns off the setitimer. Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Keith Packard <keithp@keithp.com> commit 1f915e8b524dd02011158aa038935970684c7630 Author: Daniel Drake <drake@endlessm.com> Date: Wed May 20 13:16:12 2015 -0600 Keep SIGALRM restart flag after Popen Commit 94ab7455 added SA_RESTART to the SIGALRM handler. However, the Popen code tears down and recreates the SIGALRM handler via OsSignal(), and this flag is dropped at this time. Clean the code to use just a single codepath for creating this signal handler, always applying SA_RESTART. [ajax: Fixed commit id] Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Daniel Drake <drake@endlessm.com> commit 94ab7455abc213fc96760e29ab2e943ec682fb22 Author: Daniel Drake <drake@endlessm.com> Date: Tue May 12 16:39:22 2015 -0600 Allow system call restarts upon signal interruption The X server frequently deals with SIGIO and SIGALRM interruptions. If process execution is inside certain blocking system calls when these signals arrive, e.g. with the kernel blocked on a contended semaphore, the system calls will be interrupted. Some system calls are automatically restartable (the kernel re-executes them with the same parameters once the signal handler returns) but only if the signal handler allows it. Set SA_RESTART on the signal handlers to enable this convenient behaviour. Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Daniel Drake <drake@endlessm.com> commit a6c71ce5d2d2fe89e07a2ef5041c915acc3dc686 Author: Tiago Vignatti <tiago.vignatti@nokia.com> Date: Mon Mar 28 19:21:28 2011 +0300 os: fix memory and fd leaks in Popen Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Nicolas Peninguy <nico@lostgeeks.org> commit c9051b684b524549eab6d5b88ee3e195a6f6fbe8 Author: Alan Coopersmith <alan.coopersmith@sun.com> Date: Wed Nov 5 18:25:57 2008 -0800 Use OsSignal in Popen/Pclose to avoid SysV signal() stupidity commit 0e9ef65fa583bf2393dd0fda82df6f092387b425 Author: Keith Packard <keithp@koto.keithp.com> Date: Wed Nov 7 16:33:10 2007 -0800 Don't frob timers unless SmartSchedule is running commit 2338d5c9914e2a43c3a4f7ee0f4355ad0a1ad9e7 Author: Arjan van de Ven <arjan@linux.intel.com> Date: Sun Oct 28 09:37:52 2007 +0100 reduce wakeups from smart scheduler The smart scheduler itimer currently always fires after each request (which in turn causes the CPU to wake out of idle, burning precious power). Rather than doing this, just stop the timer before going into the select() portion of the WaitFor loop. It's a cheap system call, and it will only get called if there's no more commands batched up from the active fd. This change also allows some of the functions to be simplified; setitimer() will only fail if it's passed invalid data, and we don't do that... so make it void and remove all the conditional code that deals with failure. The change also allows us to remove a few variables that were used for housekeeping between the signal handler and the main loop. Signed-off-by: Keith Packard <keithp@koto.keithp.com> **Note**: The above change also required ABI changes in hw/nxagent/. commit abe0a51f3f790f8c055289465e130177c4b647cc Author: Ben Byer <bbyer@bbyer.apple.com> Date: Fri Sep 21 17:07:36 2007 -0700 So, like, checking return codes of system calls (signal, etc) is good. Also, only restore an old signal handler if one was actually set (prevents the server from dying on OS X). commit 6da39c67905500ab2db00a45cda4a9f756cdde96 Author: Eric Anholt <eric@anholt.net> Date: Wed Sep 12 13:23:13 2007 +0000 Fix build on FreeBSD after Popen changes. commit a5b8053606d6e786cdcf6734f271acc05f9cc588 Author: Adam Jackson <ajax@benzedrine.nwnk.net> Date: Tue Sep 11 11:37:06 2007 -0400 Ignore - not just block - SIGALRM around Popen()/Pclose(). Because our "popen" implementation uses stdio, and because nobody's stdio library is capable of surviving signals, we need to make absolutely sure that we hide the SIGALRM from the smart scheduler. Otherwise, when you open a menu in openoffice, and it recompiles XKB to deal with the accelerators, and you popen xkbcomp because we suck, then the scheduler will tell you you're taking forever doing something stupid, and the wait() code will get confused, and input will hang and your CPU usage slams to 100%. Down, not across. Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
* nxagent: Use SetNotifyFd to receive events.Mike Gabriel2017-03-171-2/+2
| | | | | | | | | | | | | Inspired by X.org commit: commit 55c2e1a3aa587c58a74066724e11e30b3df267b8 Author: Keith Packard <keithp@keithp.com> Date: Mon Dec 7 15:11:33 2015 -0800 xnest: Use SetNotifyFd to receive events Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Adam Jackson <ajax@redhat.com>
* Display.c: remove unused logo codeUlrich Sibiller2017-03-101-37/+0
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* Display.c: pid is always 0, remove checkUlrich Sibiller2017-03-101-1/+1
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* hw/nxagent/Display.c: Fix uninitialized newAction in ↵Mike Gabriel2017-03-031-0/+2
| | | | | | nxagentResetSignalHandlers(). Fixes ArcticaProject/nx-libs#328.
* The smart scheduler is not optional.Mathieu Bérard2017-02-151-35/+0
| | | | | | | | | | | | Backported from X.org: commit 9f9268821b13038556fbc029df54ab0e9b2aa77f Author: Mathieu Bérard <mathieu.berard@crans.org> Date: Mon Aug 11 13:52:38 2008 -0400 The smart scheduler is not optional. Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
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