Re: RFC: implement daemon() in the kernel

["H. Peter Anvin" <hpa@zytor.com>]

Michal Schmidt wrote:
> H. Peter Anvin wrote:
> > Simon Richter wrote:
> > > int daemon(int nochdir, int noclose)
> > > {
> > >     if(!nochdir)
> > >         chdir("/");
> > >
> > >     if(!noclose)
> > >     {
> > >         int fd = open("/dev/null", O_RDWR);
> > >         dup2(fd, 0);
> > >         dup2(fd, 1);
> > >         dup2(fd, 2);
> > >         close(fd);
> > >     }
> > >
> > >     if(fork() > 0)
> >
> > ... that should be if (fork() == 0) ...
>
> Are you sure? fork()==0 means we're the child, but it's the parent who 
> should exit, isn't it?

Oh, right, of course.  Thinko; the lack of error handling confused me. 
I did that right in the assembly code.

	-hpa
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