Version française
Home     About     Download     Resources     Contact us    

This site is updated infrequently. For up-to-date information, please visit the new OCaml website at

Browse thread
AW: [Caml-list] Bigarray.*.map_file
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: 2005-09-14 (14:16)
From: Bauer, Christoph <Christoph.Bauer@l...>
Subject: AW: [Caml-list] Bigarray.*.map_file

thanks for the fast reply.

> You can't: mmap is called with offset 0 (see
> otherlibs/bigarray/mmap_unix.c). 

This isn't nice for huge files (>2G) :-(
But I guess I could write my own C-funktion for that.

>  > How can I do an munmap? I ask because of these lines from 
> the man-page:
>  > 
>  >        The munmap system call deletes the mappings for the speci-
>  >        fied address  range,  and  causes  further  references  to
>  >        addresses within the range to generate invalid memory ref-
>  >        erences.  The region is also automatically  unmapped  when
>  >        the process is terminated.  On the other hand, closing the
>  >        file descriptor does not unmap the region.
> unmap() is called when the bigarray is collected by the GC.


Best regards,