On 09/09/2014 18:25, Mark A Hayes wrote: > Part of what I do is write "posixy" post processing tools. On *nix I > just do an mmap64 and apply the transformations and filters. > Extremely efficient. Probably much more than read()ing yes. > Does Haiku aim for posix compliance by the way? That would make it > easy to port our videofx library (it's a 64 bit only, C/posix > terminal lib) As much as sanely possible. There are some discrepancies though (like error codes being defined as negative values). We do support file mmap() at least. François.