#include "u.h"#include "lib.h"#include "dat.h"#include "fns.h"#include "error.h" voidprocinit0(void){	Proc *p; 	p = newproc();	p->fgrp = dupfgrp(nil);	p->rgrp = newrgrp();	p->pgrp = newpgrp();	_setproc(p); 	up->slash = namec("#/", Atodir, 0, 0);	pathclose(up->slash->path);	up->slash->path = newpath("/");	up->dot = cclone(up->slash);} Ref pidref; Proc*newproc(void){	Proc *p; 	p = mallocz(sizeof(Proc), 1);	p->pid = incref(&pidref);	strcpy(p->user, eve);	p->syserrstr = p->errbuf0;	p->errstr = p->errbuf1;	strcpy(p->text, "drawterm");	osnewproc(p);	return p;} void*kproc(char *name, void (*fn)(void*), void *arg){	Proc *p; 	p = newproc();	p->fn = fn;	p->arg = arg;	p->slash = cclone(up->slash);	p->dot = cclone(up->dot);	p->rgrp = up->rgrp;	if(p->rgrp != nil)		incref(&p->rgrp->ref);	p->pgrp = up->pgrp;	if(up->pgrp != nil)		incref(&up->pgrp->ref);	p->fgrp = up->fgrp;	if(p->fgrp != nil)		incref(&p->fgrp->ref);	strecpy(p->text, p->text+sizeof p->text, name); 	osproc(p);	return (void*)p;} voidpexit(char *msg, int freemem){	Proc *p = up; 	USED(msg);	USED(freemem); 	if(p->pgrp != nil){		closepgrp(p->pgrp);		p->pgrp = nil;	}	if(p->rgrp != nil){		closergrp(p->rgrp);		p->rgrp = nil;	}	if(p->fgrp != nil){		closefgrp(p->fgrp);		p->fgrp = nil;	} 	cclose(p->dot);	cclose(p->slash); 	free(p);	osexit();}