--- Net2/arch/i386/include/pcb.h	2018/04/24 18:04:01	1.1
+++ Net2/arch/i386/include/pcb.h	2018/04/24 18:20:42	1.1.1.3
@@ -33,9 +33,13 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)pcb.h	5.10 (Berkeley) 5/12/91
+ *	from: @(#)pcb.h	5.10 (Berkeley) 5/12/91
+ *	pcb.h,v 1.6 1993/06/27 04:50:12 andrew Exp
  */
 
+#ifndef _I386_PCB_H_
+#define _I386_PCB_H_
+
 /*
  * Intel 386 process control block
  */
@@ -60,17 +64,21 @@ struct pcb {
  * Software pcb (extension)
  */
 	int	pcb_flags;
-#define	FP_WASUSED	0x01	/* floating point has been used in this proc */
-#define	FP_NEEDSSAVE	0x02	/* needs save on next context switch */
-#define	FP_NEEDSRESTORE	0x04	/* need restore on next DNA fault */
+#ifdef notused
+#define	FP_WASUSED	0x01	/* process has used fltng pnt hardware */
+#define	FP_NEEDSSAVE	0x02	/* ... that needs save on next context switch */
+#define	FP_NEEDSRESTORE	0x04	/* ... that needs restore on next DNA fault */
+#endif
 #define	FP_USESEMC	0x08	/* process uses EMC memory-mapped mode */
 #define	FM_TRAP		0x10	/* process entered kernel on a trap frame */
+#define	FP_SOFTFP	0x20	/* process using software fltng pnt emulator */
 	short	pcb_iml;	/* interrupt mask level */
 	caddr_t	pcb_onfault;	/* copyin/out fault recovery */
-	long	pcb_sigc[8];	/* XXX signal code trampoline */
 	int	pcb_cmap2;	/* XXX temporary PTE - will prefault instead */
 };
 
 #ifdef KERNEL
 struct pcb *curpcb;		/* our current running pcb */
 #endif
+
+#endif /* _I386_PCB_H_ */