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\PY{c+cm}{/*}
\PY{c+cm}{    Gets previews of PDF Documents}
\PY{c+cm}{*/}
\PY{k+kt}{void}\PY{+w}{ }\PY{n+nf}{getPDFPreview}\PY{p}{(}\PY{k+kt}{char}\PY{+w}{ }\PY{o}{*}\PY{n}{filepath}\PY{p}{,}\PY{+w}{ }\PY{k+kt}{int}\PY{+w}{ }\PY{n}{maxy}\PY{p}{,}\PY{+w}{ }\PY{k+kt}{int}\PY{+w}{ }\PY{n}{maxx}\PY{p}{)}
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\PY{+w}{    }\PY{k+kt}{char}\PY{+w}{ }\PY{n}{imgout}\PY{p}{[}\PY{p}{]}\PY{+w}{ }\PY{o}{=}\PY{+w}{ }\PY{l+s}{\PYZdq{}}\PY{l+s}{/tmp/prev.jpg}\PY{l+s}{\PYZdq{}}\PY{p}{;}
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\PY{+w}{        }\PY{c+c1}{//int status;}
\PY{+w}{        }\PY{c+c1}{//waitpid(pid, \PYZam{}status, 0);}
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\PY{+w}{            }\PY{n}{printf}\PY{p}{(}\PY{l+s}{\PYZdq{}}\PY{l+s}{wgetch interrupted by signal}\PY{l+s+se}{\PYZbs{}n}\PY{l+s}{\PYZdq{}}\PY{p}{)}\PY{p}{;}
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\PY{+w}{                }\PY{n}{raise}\PY{p}{(}\PY{n}{SIGUSR1}\PY{p}{)}\PY{p}{;}
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\PY{+w}{                }\PY{n}{kill}\PY{p}{(}\PY{n}{pid}\PY{p}{,}\PY{+w}{ }\PY{n}{SIGINT}\PY{p}{)}\PY{p}{;}
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\PY{+w}{        }\PY{k}{else}\PY{+w}{ }\PY{k}{if}\PY{+w}{ }\PY{p}{(}\PY{n}{raised\PYZus{}signal}\PY{+w}{ }\PY{o}{=}\PY{o}{=}\PY{+w}{ }\PY{n}{SIGCHLD}\PY{p}{)}
\PY{+w}{        }\PY{p}{\PYZob{}}
\PY{+w}{                }\PY{n}{getImgPreview}\PY{p}{(}\PY{n}{imgout}\PY{p}{,}\PY{+w}{ }\PY{n}{maxy}\PY{p}{,}\PY{+w}{ }\PY{n}{maxx}\PY{p}{)}\PY{p}{;}
\PY{+w}{                }\PY{n}{clearFlagImg}\PY{+w}{ }\PY{o}{=}\PY{+w}{ }\PY{l+m+mi}{1}\PY{p}{;}
\PY{+w}{        }\PY{p}{\PYZcb{}}
\PY{+w}{    }\PY{p}{\PYZcb{}}
\PY{p}{\PYZcb{}}
\end{Verbatim}