Re: [PATCH 1/2] Extend sys_clone and sys_unshare system calls API

From: Dave Hansen
Date: Thu Jan 24 2008 - 12:47:22 EST


On Thu, 2008-01-24 at 18:37 +0100, Pavel Machek wrote:
> > Did we decide not to do something with a variable number of
> arguments?
> >
> > sys_clonefoo(unsigned long *flags, int len);
>
> That is evil, because that means strace can no longer reliably print
> flags being used (for example).

Ahhh. Just like it can't print strings for "buf"?

write(int fd, char *buf, size_t len)

Man, strace is stupid! ;)

If that's *really* a concern, why don't we just pass, say 4 or 5 longs
in:

sys_clonebig(unsigned long flags0, unsigned long flags1,
unsigned long flags2, unsigned long flags3);

-- Dave

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