[PATCH 2/2] IDLETIME: Fix edge-case in IdleTimeBlockHandler
Christopher James Halse Rogers
christopher.halse.rogers at canonical.com
Mon Aug 23 20:48:04 PDT 2010
Ensure that if we're called exactly on the threshold of a
NegativeTransition trigger that we reshedule to pick up
an idle time over the threshold.
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
---
Xext/sync.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/Xext/sync.c b/Xext/sync.c
index c00e692..314b63e 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -2322,6 +2322,14 @@ IdleTimeBlockHandler(pointer env, struct timeval **wt, pointer LastSelectMask)
break;
}
}
+ /*
+ * We've been called exactly on the idle time, but we have a
+ * NegativeTransition trigger which requires a transition from an
+ * idle time greater than this. Schedule a wakeup for the next
+ * millisecond so we won't miss a transition.
+ */
+ if (XSyncValueEqual (idle, *pIdleTimeValueLess))
+ AdjustWaitForDelay(wt, 1);
}
else if (pIdleTimeValueGreater)
{
--
1.7.1
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