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give a hint towards __attribute__((cleanup) for RAII type behavior in C

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Kristoffer 2023-05-01 13:54:47 +02:00
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manual/tracy.tex
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@ -1880,7 +1880,7 @@ The following macros mark the beginning of a zone:
Refer to sections~\ref{markingzones} and~\ref{multizone} for description of macro variants and parameters. The \texttt{ctx} parameter specifies the name of a data structure, which the macro will create on the stack to hold the internal zone data.
Unlike C++, there's no automatic destruction mechanism in C, so you will need to mark where the zone ends manually. To do so use the \texttt{TracyCZoneEnd(ctx)} macro.
Unlike C++, there's no automatic destruction mechanism in C, so you will need to mark where the zone ends manually. To do so use the \texttt{TracyCZoneEnd(ctx)} macro.\footnote{GCC and Clang provide \texttt{\_\_attribute\_\_((cleanup))} which can used to run a function when a variable goes out of scope.}
Zone text and name may be set by using the \texttt{TracyCZoneText(ctx, txt, size)}, \texttt{TracyCZoneValue(ctx, value)} and \texttt{TracyCZoneName(ctx, txt, size)} macros. Make sure you are following the zone stack rules, as described in section~\ref{multizone}!