PERFORCE change 100719 for review

[Divacky Roman]

> > +	/* we have to call linux exit hook */
> > +	if (p->p_flag & P_LINUX && linux_proc_exit_p != NULL)
> > +	   	(linux_proc_exit_p)(td);
> >  	MALLOC(p->p_ru, struct rusage *, sizeof(struct rusage),
> >  		M_ZOMBIE, M_WAITOK);
> >  	/*
> > 
> 
> Please use a 'process_exit' eventhandler instead.  You can test P_LINUX in
> your handler and return right away for non-Linux procs.
 
oh.. didnt notice.. thnx for telling me
 
> > +	/* linux userret */
> > +	if (p->p_flag & P_LINUX && linux_userret_p != NULL)
> > +	   (linux_userret_p)(td);
> > +
> >  	/*
> >  	 * Let the scheduler adjust our priority etc.
> >  	 */
> > 
> 
> If it is needed we can add a new 'thread_userret' eventhandler rather than
> putting Linux-specific hooks into the code.
 
sounds ok
 
> > ==== //depot/projects/soc2006/rdivacky_linuxolator/sys/proc.h#2 (text+ko) ====
> > 
> > @@ -655,6 +655,7 @@
> >  #define	P_HWPMC		0x800000 /* Process is using HWPMCs */
> >  
> >  #define	P_JAILED	0x1000000 /* Process is in jail. */
> > +#define P_LINUX		0x2000000 /* linux binary */
> >  #define	P_INEXEC	0x4000000 /* Process is in execve(). */
> >  #define	P_STATCHILD	0x8000000 /* Child process stopped or exited. */
> 
> If you do the two above, then you might be able to come up with another test
> (compare p_sysvec?) instead of needing this flag since the only tests of it
> would be in the emulator code itself.

yes.. it does not seem necessary now. what is p_sysvec?

anyway - the code I commited has many issues I hope to fix soon (in hours) take
this as WIP.