[OS X TeX] TeXShop holds files open

Justin Walker justin at mac.com
Wed Aug 4 12:39:12 EDT 2004

On Aug 1, 2004, at 22:05, Ronald Bruck wrote:

> Does anybody else notice this behavior?  It's driving me crazy!
> Once TeXShop has gotten hold of a file, it doesn't let go.  When I 
> throw away a log file, close
> all the open files in the program, and then later try to empty the 
> trash, I can't--because TeXShop
> still has the file open.  Not to mention the source file or any of the 
> other files associated with the project.

I got curious about this, so I poked around a bit (with fs_usage).  It 
turns out that TeXShop actually does close the file, right after it 
opens it.  Between the open and the close, however, it maps the file 
(using map_fd()).  The problem may be that it never unmaps the file (at 
least, when I close the file, I don't see the corresponding unmap).

You might want to report this to Richard/Dirk.  Unmapping the file 
will, at least, free up pages for reuse, and perhaps improve 
performance a bit.



Justin C. Walker, Curmudgeon-At-Large  *
Institute for the Absorption of        | Some people have got a
    Federal Funds                       | mental horizon of radius zero
                                        | and call it their point of view
                                        |            - David Hilbert

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