Re: [Monotone-devel] [PATCH] pre-cache database file to improve response time

[Johan Bolmsjö]

Joe Wilson wrote:

> --- Ulrich Drepper <address@hidden> wrote:
>  
>
> > Joe Wilson wrote:
> >    
> >
> > Modern OSes have support for hints to the OS.  For mmap() calls on
> > Linux, there is the MAP_POPULATE flag.  For all file operations, there
> > is posix_fadvise().
> >    
>
> SQLite does not use mmap() - just basic read()s and write()s for
> portability. Can the system calls you mention be made to work
> with Monotone without altering SQLite's library code?
> (Does Windows natively support mmap()?)
>  
Hello,

Slightly OT, but in answer to the last question.
There is mmap functionality in windows, see:

CreateFile
CreateFileMapping,
MapViewOfFile,
UnmapViewOfFile
CloseHandle

/Johan