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.

I'll make the change to the ruby source and test it...