--- xinu/sys/kill.c	2018/04/24 17:39:04	1.1
+++ xinu/sys/kill.c	2018/04/24 17:40:06	1.1.1.2
@@ -5,7 +5,6 @@
 #include <proc.h>
 #include <sem.h>
 #include <mem.h>
-#include <io.h>
 
 /*------------------------------------------------------------------------
  * kill  --  kill a process and remove it from the system
@@ -15,42 +14,27 @@ SYSCALL kill(pid)
 	int	pid;			/* process to kill		*/
 {
 	struct	pentry	*pptr;		/* points to proc. table for pid*/
-	int	dev;
-	PStype	ps;
 
-	disable(ps);
+	disable();
 	if (isbadpid(pid) || (pptr= &proctab[pid])->pstate==PRFREE) {
-		restore(ps);
+		restore();
 		return(SYSERR);
 	}
 	if (--numproc == 0)
 		xdone();
-	dev = pptr->pdevs[0];
-	if (! isbaddev(dev) )
-		close(dev);
-	dev = pptr->pdevs[1];
-	if (! isbaddev(dev) )
-		close(dev);
-	send(pptr->pnxtkin, pid);
 	freestk(pptr->pbase, pptr->pstklen);
 	switch (pptr->pstate) {
 
-	  case PRCURR:	pptr->pstate = PRFREE;	/* suicide */
+	case PRCURR:	pptr->pstate = PRFREE; /* suicide */
 			resched();
 
-	  case PRWAIT:	semaph[pptr->psem].semcnt++;
-						/* fall through */
-	  case PRREADY:	dequeue(pid);
-			pptr->pstate = PRFREE;
-			break;
-
-#ifdef	RTCLOCK
-	  case PRSLEEP:
-	  case PRTRECV:	unsleep(pid);
-#endif
-						/* fall through	*/
-	  default:	pptr->pstate = PRFREE;
+	case PRWAIT:	semaph[pptr->psem].semcnt++;
+
+	case PRSLEEP:
+	case PRREADY:	dequeue(pid);
+
+	default:	pptr->pstate = PRFREE;
 	}
-	restore(ps);
+	restore();
 	return(OK);
 }