[Mapserver-dev] Thread safety question

Steve Lime steve.lime at dnr.state.mn.us
Wed Feb 11 12:16:34 EST 2004


You are correct, the lexer produced by flex is not thread safe. Bison
can create a thread-safe parser so if we could find (or write *yuck*) a
thread-safe lexer that intergrates with bison we'd be ok. Someone
mention a lexer called lemon as an option. I've not had time to pursue
though.

Steve

>>> Ned Harding <nharding at extendthereach.com> 2/10/2004 4:22:58 PM >>>
I noticed in msEvalExpression --- case(MS_EXPRESSION) --- that the
lexer is
being used.  Does that imply that a map that used this type of
expression
would not be thread safe as it is currently written?

Ned.
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