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patches/glibc/2.9/260-fadvise64_64.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Dec 31 18:47:37 2011 +0100 (2011-12-31)
changeset 2829 0c3c95f911ec
parent 1201 c9967a6e3b25
permissions -rw-r--r--
docs: credit Konrad EISELE for the initial multilib support

Konrad submitted an initial patch adding multlib support:
http://sourceware.org/ml/crossgcc/2011-11/msg00040.html

The patch was full of good ideas, but had a few issues, so
I (Yann E. MORIN) started it all from scatch, re-using part
of the original patch. This got implemented in this series:
hg log -r 446a17b5dd1e:e47d17391ae3

As I forgot to credit Konrad in these changelogs, update the
docs so that the work by Konrad gets credited. Without his
initial effort, we would probably not have had multlib support
so soon. Thank you Konrad!

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/1070_all_glibc-fadvise64_64.patch

     2 

     3 -= BEGIN original header =-

     4 ripped from Debian

     5 

     6 -= END original header =-

     7 

     8 diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/posix_fadvise.c glibc-2_9/sysdeps/unix/sysv/linux/posix_fadvise.c

     9 --- glibc-2_9.orig/sysdeps/unix/sysv/linux/posix_fadvise.c	2003-08-17 02:36:22.000000000 +0200

    10 +++ glibc-2_9/sysdeps/unix/sysv/linux/posix_fadvise.c	2009-02-02 22:00:58.000000000 +0100

    11 @@ -35,6 +35,19 @@

    12      return INTERNAL_SYSCALL_ERRNO (ret, err);

    13    return 0;

    14  #else

    15 +# ifdef __NR_fadvise64_64

    16 +  INTERNAL_SYSCALL_DECL (err);  

    17 +  int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd,

    18 +			      __LONG_LONG_PAIR ((long) (offset >> 31),

    19 +						(long) offset),

    20 +			      __LONG_LONG_PAIR ((long) (len >> 31),

    21 +						(long) len),

    22 +			      advise);

    23 +  if (INTERNAL_SYSCALL_ERROR_P (ret, err))

    24 +    return INTERNAL_SYSCALL_ERRNO (ret, err);

    25 +  return 0;

    26 +# else

    27    return ENOSYS;

    28 +# endif

    29  #endif

    30  }
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