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Add configuration option for use of SIGIO handlers for input events

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Boolean option to enable/disable SIGIO handlers is set by the first
of these found:
  - UseSIGIO option is set in xorg.conf ServerFlags
  - Default set at build time by ./configure --enable-use-sigio-by-default
  - Platform default value: Solaris = no, all others = yes

This matches the current settings on all platforms except Solaris.
This reverts Solaris (for now) to the settings used in Xorg 1.6, before
SIGIO support for Solaris was added, due to some system level bugs that
won't be resolved in time for Xorg 1.7 release, but allows us to enable
when those are resolved (or when we need to test if they're resolved).
See http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6879897

Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Alan Coopersmith 2009-09-15 21:13:48 -07:00 • committed by Peter Hutterer
commit e2c6455180
7 changed files with 56 additions and 1 deletions
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9
hw/xfree86/doc/man/xorg.conf.man.pre
View file

@ -450,6 +450,15 @@ core file.
In general you never want to use this option unless you are debugging an __xservername__
server problem and know how to deal with the consequences.
.TP 7
.BI "Option \*qUseSIGIO\*q \*q" boolean \*q
This controls whether the __xservername__ server requests that events from
input devices be reported via a SIGIO signal handler (also known as SIGPOLL
on some platforms), or only reported via the standard select(3) loop.
The default behaviour is platform specific. In general you do not want to
use this option unless you are debugging the __xservername__ server, or
working around a specific bug until it is fixed, and understand the
consequences.
.TP 7
.BI "Option \*qDontVTSwitch\*q \*q" boolean \*q
This disallows the use of the
.BI Ctrl+Alt+F n