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Short-cut the input device cleanup process during AbortServer()

Browse source 
If we're about to abort, we're already in the signal handler and cannot call
down to the default device cleanup routines (which reset, free, alloc, and
do a bunch of other things).

Add a new DEVICE_ABORT mode to signal a driver's DeviceProc that it must
reset the hardware if needed but do nothing else. An actual HW reset is only
required for some drivers dealing with the HW directly.

This is largely backwards-compatible, hence the input ABI minor bump only.

Drivers we care about either return BadValue on a mode that's not
DEVICE_{INIT|ON|OFF|CLOSE} or print an error and return BadValue. Exception
here is vmmouse, which currently ignores it and would not reset anything.
This should be fixed if the reset is required.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Peter Hutterer 2013-01-30 03:20:07 +00:00 • committed by Keith Packard
commit 9f79e93b6b
4 changed files with 23 additions and 2 deletions
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2
hw/xfree86/common/xf86Module.h
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@ -81,7 +81,7 @@ typedef enum {
*/
#define ABI_ANSIC_VERSION SET_ABI_VERSION(0, 4)
#define ABI_VIDEODRV_VERSION SET_ABI_VERSION(14, 1)
#define ABI_XINPUT_VERSION SET_ABI_VERSION(19, 0)
#define ABI_XINPUT_VERSION SET_ABI_VERSION(19, 1)
#define ABI_EXTENSION_VERSION SET_ABI_VERSION(7, 0)
#define ABI_FONT_VERSION SET_ABI_VERSION(0, 6)