problems with _LARGE_FILES on AIX 5.1 with 32-bit kernel
schott at rzg.mpg.de
Wed Mar 5 23:10:39 EST 2003
according to the problem record I opened at IBM (51921) a
mkstemp64 will be included in libc.a. Here the last entry
from the problem record dated 03/03/04:
Based on the inputs from the developers we shall be
adding a mkstemp64 routine to libc.a
Create an APAR and RQ the PMR.
jw schultz writes:
> On Thu, Feb 13, 2003 at 05:01:58PM +0100, Andreas Schott wrote:
> > Dear rsync-developers,
> > on AIX5.1 with 32-bit kernel one can have large-file support.
> > rsync in principle supports it correctly since the flag
> > _LARGE_FILES is treated correctly in the /usr/include/*.h
> > But there is one point missing, the mkstemp is not opening
> > a large file. So syncing large files crash after 2GB.
> > To avoid this one could either put a
> > #ifdef _LARGE_FILES
> > #undef HAVE_SECURE_MKSTEMP
> > #endif
> > at the beginning of syscall.c or in rsync.h, or one could add a
> > &&!defined(_LARGE_FILES)
> > in line 154 of syscall.c
> > Best configure would not define HAVE_SECURE_MKSTEMP if
> > _LARGE_FILES is defined, because mkstemp is not secure
> > for large files. There is no mkstemp64.
> > I did not check, whether with a 64-bit-kernel the mkstemp
> > works properly, since I have no access to a machine running
> > AIX5.1 in 64-bit kernel-mode.
> > For replies, pleas reply directly, since I am not on the list.
> This is an ongoing problem with AIX and only AIX. If you
> have a support contract file a bug report against libc with IBM.
> open() is working, they just need to fix mkstemp in the library.
> The fix (workaround) should go in autoconf. I'd consider
> doing it but i neither have acccess to an AIX system nor am
> a wiz with autoconf. It needs to be AIX specific.
> J.W. Schultz Pegasystems Technologies
> email address: jw at pegasys.ws
> Remember Cernan and Schmitt
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