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Don't update local reference unnecessarily

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Local reference is now updated only when a new source is selected or
match_addr is equal to the selected source, match_addr 0 is no longer
treated specially.
This commit is contained in:
Miroslav Lichvar
2010-12-16 16:55:59 +01:00
parent 0c4968ec51
commit 7f6ed73145
2 changed files with 28 additions and 28 deletions
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11
sources.h
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@@ -134,12 +134,11 @@ extern void SRC_ResetReachability(SRC_Instance inst);
/* This routine is used to select the best source from amongst those
we currently have valid data on, and use it as the tracking base
for the local time. If match_addr is zero it means we must start
tracking the (newly) selected reference unconditionally, otherwise
it is equal to the address we should track if it turns out to be
the best reference. (This avoids updating the frequency tracking
for every sample from other sources - only the ones from the
selected reference make a difference) */
for the local time. Updates are only made to the local reference
if a new source is selected or match_addr is equal to the selected
reference source address. (This avoids updating the frequency
tracking for every sample from other sources - only the ones from
the selected reference make a difference) */
extern void SRC_SelectSource(unsigned long match_addr);
/* Force reselecting the best source */