Re: [linuxsh-dev] pread/pwrite fix for SH-4

[M. R. B. <mr...@0x...>]

* NIIBE Yutaka <gn...@m1...> on Fri, Nov 01, 2002:

> M. R. Brown wrote:
>  > You're confusing pread w/ pread64.
>=20
> Please look the problem at first.  Linux's "pread" API is different
> with POSIX.  We don't have pread64 in Linux.  Please check.  The last
> argument is 64-bit (long-long) in Linux, but GNU C library offers
> POSIX API.
>=20

I've been doing too much 2.5 hacking lately.  I apologize for this, there's
a pread64 in 2.5, not 2.4 (apparently it was renamed).

> I think that your opinion is the Right Thing, basically (handle in
> libc layer rather than in kernel).  In general.
>=20
> But I wonder if you understand this problem, specifically.
>=20

I do now.

> The issue is calling convention of long-long.
>=20
> I think that better way to solve this is implement pread with 6
> arguments with dummy fourth argument, as MIPS implementation.
>=20
> I mean, fix kernel, fix glibc, BOTH.

Yep.  Sorry.  I assumed it was a glibc problem only.

M. R.