From: nobu.nokada@...
Date: 2004-09-10T23:04:20+09:00
Subject: Re: [BUG] Kernel#syscall on x86_64 linux

Hi,

At Fri, 10 Sep 2004 17:32:28 +0900,
Andrew Walrond wrote in [ruby-talk:112137]:
> 
> On Friday 10 Sep 2004 03:19, nobu.nokada@softhome.net wrote:
> >
> > syscall assumes all arguments to system calls should be
> > unsigned long.  This works fine on platforms int and long are
> > same, but is int on x86_64 32bits?
> 
> Sizeof short: 2
> Sizeof int: 4
> Sizeof long: 8
> Sizeof long long: 8
> 
> So sizeof(int) != sizeof(long). I guess you need to change unsigned long to 
> unsigned int. in the code.

Isn't sizeof(void*) 8?

Use ext/dl or make an extension library instead, I think
syscall should be deprecated now.  It just came from perl.

-- 
Nobu Nakada