my version (CJ)

lang/occam/lib/LIST

@@ -0,0 +1,11 @@
+tail_ocm.a
+builtin.c
+chan_struct.c
+channel.c
+co.c
+now.c
+par.c
+parco.c
+misc.e
+ocrt.c
+par_misc.e

lang/occam/lib/builtin.c

@@ -1,5 +1,5 @@
 /*	builtin.c - built in named processes */
-#include "channel.h"
+#include "ocm_chan.h"
 #ifndef nil
 #define nil 0
 #endif

lang/occam/lib/channel.c

@@ -2,7 +2,7 @@
 #include <errno.h>
 #include <signal.h>
 #include <sgtty.h>
-#include "channel.h"
+#include "ocm_chan.h"
 
 static void disaster();
 
@@ -53,16 +53,16 @@ void chan_out(v, c) long v; register chan *c;
 			putc( (int) v, fp);
 		else
 		if (v==C_F_TEXT) {
-			ioctl(fileno(fp), TIOCGETP, &tty);
+			gtty(fileno(fp), &tty);
 			tty.sg_flags&= ~CBREAK;
 			tty.sg_flags|= ECHO|CRMOD;
-			ioctl(fileno(fp), TIOCSETN, &tty);
+			stty(fileno(fp), &tty);
 		} else
 		if (v==C_F_RAW) {
-			ioctl(fileno(fp), TIOCGETP, &tty);
+			gtty(fileno(fp), &tty);
 			tty.sg_flags|= CBREAK;
 			tty.sg_flags&= ~(ECHO|CRMOD);
-			ioctl(fileno(fp), TIOCSETN, &tty);
+			stty(fileno(fp), &tty);
 		}
 	}	break;
 	case C_T_CHAN:

lang/occam/lib/co.c

@@ -1,5 +1,5 @@
 /*	co.c - Routines to handle coroutines */
-#include "process.h"
+#include "ocm_proc.h"
 
 static void search(), RESUMERR();
 

lang/occam/lib/misc.e

@@ -0,0 +1,49 @@
+#
+ mes 2,EM_WSIZE,EM_PSIZE
+
+oldtrp
+ bss EM_PSIZE, 0, 0
+
+ exp $init
+ pro $init, 0
+ loc -321-1
+ sim
+ lpi $catch1
+ sig
+ lae oldtrp
+ sti EM_PSIZE
+ cal $initfile
+ ret 0
+ end 0
+
+ pro $catch1, 0
+ lae oldtrp
+ loi EM_PSIZE
+ sig
+ asp EM_PSIZE
+ loe 0
+ lae 4
+ loi EM_PSIZE
+ lol 0
+ cal $catch
+ asp 2*EM_WSIZE+EM_PSIZE
+ lol 0
+ trp
+ rtt
+ end 0
+
+ exp $block_move
+ pro $block_move, 0
+ lal 4
+ loi EM_PSIZE
+ lal 8
+ loi EM_PSIZE
+
+ lal 0
+ loi EM_LSIZE
+ loc EM_LSIZE
+ loc EM_WSIZE
+ cuu
+ bls EM_WSIZE
+ ret 0
+ end 0

lang/occam/lib/now.c

@@ -0,0 +1,8 @@
+long now()
+{
+	extern int deadlock;
+	long time();
+
+	deadlock = 0;
+	return time((long *) 0);
+}

lang/occam/lib/ocrt.c

@@ -1,5 +1,5 @@
 /*	ocrt.c - Occam runtime support */
-#include "channel.h"
+#include "ocm_chan.h"
 
 int chandes[]= { 0, 0, sizeof(int)+sizeof(long) };
 int worddes[]= { 0, 0, sizeof(long) };
@@ -28,15 +28,15 @@ void catch(sig, file, line) int sig; char *file; int line;
 	abort();
 }
 
-chan file[_NFILE];
+chan file[20];
-FILE *unix_file[_NFILE];
+FILE *unix_file[20];
 
 void initfile()
 {
 	register i;
 	register chan *c=file;
 
-	for (i=0; i<_NFILE; i++) {
+	for (i=0; i<20; i++) {
 		c->type=C_T_FILE;
 		c->f.flgs=0;
 		(c++)->f.index=i;

lang/occam/lib/par.c

@@ -1,5 +1,5 @@
 /*	par.c - Routines to simulate parallelism */
-#include "process.h"
+#include "ocm_proc.h"
 
 static void search_next(), DEADLOCK();
 

lang/occam/lib/par_misc.e

@@ -0,0 +1,62 @@
+#
+ mes 2,EM_WSIZE,EM_PSIZE
+ exp $top_size
+ pro $top_size, 3*EM_WSIZE+3*EM_PSIZE
+ mes 11
+ lal 0
+ loi EM_PSIZE		; s_brk
+ lor 1			; s_brk  SP
+ sbs EM_PSIZE		; s_brk-SP
+ ret EM_PSIZE		; return size of block to be saved
+ end 3*EM_WSIZE+3*EM_PSIZE
+
+ exp $top_save
+ pro $top_save, 0
+ loe 0
+ lae 4			; load line number and file name
+ loi EM_PSIZE
+ lim			; ignore mask
+ lor 0			; LB
+ lal 0
+ loi EM_PSIZE		; size of block
+ loc EM_PSIZE
+ loc EM_WSIZE
+ cuu
+ dup EM_WSIZE
+ stl 0			; push & store size in 2 bytes
+ lor 1			; SP (the SP BEFORE pushing)
+ lor 1			; SP (address of stack top to save)
+ lal EM_PSIZE			; area
+ loi EM_PSIZE
+ lol 0			; size
+ bls EM_WSIZE		; move whole block
+ asp 3*EM_PSIZE+3*EM_WSIZE	; remove the lot from the stack
+ loc 1
+ ret EM_WSIZE			; return 1
+ end 0
+
+ exp $top_load
+ pro $top_load, 0
+ lal 0
+ loi EM_PSIZE
+ dup EM_PSIZE
+ loi EM_PSIZE
+ sti EM_PSIZE		; copy pointer from argument 0 to new frame
+ loi EM_PSIZE		; load indirect to
+ str 1			; restore SP
+ dup EM_PSIZE		; givesargument 0 again
+ lor 1			; SP (the SP AFTER, see above)
+ lor 1
+ adp EM_PSIZE
+ loi EM_PSIZE
+ lof EM_PSIZE		; size of block
+ bls EM_WSIZE		; move block back (SP becomes the SP BEFORE again!)
+ asp EM_WSIZE		; drop size
+ str 0			; LB
+ sim			; ignore mask
+ lae EM_PSIZE
+ sti EM_PSIZE
+ ste 0			; line and file
+ loc 0
+ ret EM_WSIZE		; return 0
+ end 0

lang/occam/lib/parco.c

@@ -1,7 +1,7 @@
 /*	parco.c	- Common routines for simulating parallelism or coroutines on
  *		  machines with downward growing stacks
  */
-#include "process.h"
+#include "ocm_proc.h"
 
 struct procgroup *group=nil, *highest_group;