debugging SIGSEV on pclose

Mon Sep 5 13:27:00 GMT 2011

On 2011-09-05 PM 9:20, Marco atzeri wrote:
> command=0x207e969c "/usr/bin/gs -dQUIET -dNOPAUSE -dBATCH -dSAFER
> -sDEVICE=png16m -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -r150x150
> -dEPSCrop -sOutputFile=fltk.png -", in_type=0x1a45b18 "w")
> at /pub/cygwin/cvs/src_new/winsup/cygwin/
> 3920 {
as far as i know, -dTextAlphaBits=4 -dGraphicsAlphaBits=4 make gs crash. 
because if textalphabits is used, apple-patented font hinting is 
needed.(although freetype library implemented alternative hinting, it 
doesn't migrated to gs.) so gs calls THROW_PATENTED which uses 
longjmp(yet i can't make sure why it crashed instead of showing error 
message), there is bug report regarding to this issue(but not for this 
i think it would be okay if you remove textalphabits when invoking gs

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