mmap and MAP_FIXED

Christopher Faylor cgf-no-personal-reply-please@cygwin.com
Fri Feb 25 08:17:00 GMT 2005


On Fri, Feb 25, 2005 at 01:17:52AM +0200, Evgeny Stambulchik wrote:
>There is something strange about mmap(addr, ..., MAP_FIXED) under
>Cygwin.  For a reason, it always fails if addr is not on a 16xPAGE_SIZE
>boundary.  Here is a short demo:

See:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/base/mapviewoffileex.asp

Pay particular attention to the description of lpBaseAddress.

cgf

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