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xfree86: always enable SIGIO on OsVendorInit (#50957)

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Drivers call xf86InstallSIGIOHandler() for their fd on DEVICE_ON. That
function does not actually enable the signal if it was blocked to begin
with. As a result, if one vt-switches away from the server (SIGIO is
blocked) and then triggers a server regeneration, the signal remains
blocked and input devices are dead.

Avoid this by always unblocking SIGIO when we start the server.

X.Org Bug 50957 <http://bugs.freedesktop.org/show_bug.cgi?id=50957>

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
(cherry picked from commit 9f1edced9a)
This commit is contained in:
Peter Hutterer 2012-06-15 10:00:51 +10:00
parent ac85a6866f
commit e4497cd002
1 changed files with 1 additions and 0 deletions
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hw/xfree86/common/xf86Init.c
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@ -962,6 +962,7 @@ OsVendorInit(void)
}
#endif
#endif
xf86UnblockSIGIO(0);
beenHere = TRUE;
}