dup3 syscall - atomic set O_CLOEXEC with dup2

[Ed Schouten]

Hi Kostik,

* Kostik Belousov <kostikbel at gmail.com>, 20120112 11:08:
> > +int
> > +sys_dup3(struct thread * const td, struct dup3_args * const uap) {
> The td and uap are not constant in the prototypes generated by
> makesyscalls.sh. This makes me seriosly wonder was the patch compiled at
> all.

This is because the parameters itself are const -- not the objects they
point to. e.g:

int foo(int);

int foo(const int i)
{
	/* code here */
}

-- 
 Ed Schouten <ed at 80386.nl>
 WWW: http://80386.nl/
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