Commits on Dec 11, 2011

1. vt: disable the tty keyboard completely …

   After we turn the keyboard to raw mode, we try to set the keyboard mode
   to K_OFF. This means we can avoid input events from the tty completely.
   
   This mode was added in linux 3.0:
   https://lkml.org/lkml/2011/2/1/609
   We only use it if we have it.
   
   Signed-off-by: Ran Benita <ran234@gmail.com>

   

   bluetech committed Dec 11, 2011
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2. vt: add support for automatic VT switching …

   Add two functions to enter/leave our VT object. This allows to
   implement to expected behavior of automatically switching to the kmscon
   when it is running on a new tty, and switching back to the tty we came
   from when the program finishes. Presumably this behavior will be
   controlled by a config variable or command line argument later on (like
   Xorg's -novtswitch).
   
   There's a bit of a subtlety in this because of VT_PROCESS. We need
   permission from ourselves to switch in/out of out VT; this is done when
   processing SIGUSR[12] in the eloop. We therefore must dispatch the loop
   at least once after switching out. The usual case is demonstrated in
   test_vt.c.
   
   Signed-off-by: Ran Benita <ran234@gmail.com>

   

   bluetech committed Dec 11, 2011
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