Willy Tarreau 72f073b6c7 MEDIUM: pattern: add a revision to all pattern expressions
This will be used to detect any change on the pattern list between
two operations, ultimately making it possible to implement a cache
which immediately invalidates obsolete keys after an update. The
revision is simply taken from the timestamp counter to ensure that
even upon a pointer reuse we cannot accidently come back to the
same (expr,revision) tuple.
2015-04-29 19:15:24 +02:00
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2009-01-25 13:49:53 +01:00