--- Gnu-Mach/kern/lock.c	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/kern/lock.c	2020/09/02 04:47:29	1.1.1.3
@@ -34,14 +34,15 @@
  *	Locking primitives implementation
  */
 
-#include <cpus.h>
-#include <mach_kdb.h>
+#include <string.h>
 
+#include <kern/debug.h>
 #include <kern/lock.h>
 #include <kern/thread.h>
 #include <kern/sched_prim.h>
 #if	MACH_KDB
 #include <machine/db_machdep.h>
+#include <ddb/db_output.h>
 #include <ddb/db_sym.h>
 #endif
 
@@ -103,7 +104,7 @@ boolean_t simple_lock_try(simple_lock_t
 #endif	/* NCPUS > 1 */
 
 #if	NCPUS > 1
-int lock_wait_time = 100;
+static int lock_wait_time = 100;
 #else	/* NCPUS > 1 */
 
 	/*
@@ -111,7 +112,7 @@ int lock_wait_time = 100;
 	 *	thought something magical would happen to the
 	 *	want_write bit while we are executing.
 	 */
-int lock_wait_time = 0;
+static int lock_wait_time = 0;
 #endif	/* NCPUS > 1 */
 
 #if	MACH_SLOCKS && NCPUS == 1
@@ -161,8 +162,8 @@ void simple_lock(
 	info = &simple_locks_info[simple_locks_taken++];
 	info->l = l;
 	/* XXX we want our return address, if possible */
-#ifdef	i386
-	info->ra = *((unsigned int *)&l - 1);
+#if defined(__i386__)
+	info->ra = *((unsigned long *)&l - 1);
 #endif	/* i386 */
 }
 
@@ -179,8 +180,8 @@ boolean_t simple_lock_try(
 	info = &simple_locks_info[simple_locks_taken++];
 	info->l = l;
 	/* XXX we want our return address, if possible */
-#ifdef	i386
-	info->ra = *((unsigned int *)&l - 1);
+#if defined(__i386__)
+	info->ra = *((unsigned long *)&l - 1);
 #endif	/* i386 */
 
 	return TRUE;
@@ -222,7 +223,7 @@ void lock_init(
 	lock_t		l,
 	boolean_t	can_sleep)
 {
-	bzero((char *)l, sizeof(lock_data_t));
+	memset(l, 0, sizeof(lock_data_t));
 	simple_lock_init(&l->interlock);
 	l->want_write = FALSE;
 	l->want_upgrade = FALSE;
@@ -249,9 +250,9 @@ void lock_sleepable(
  */
 
 void lock_write(
-	register lock_t	l)
+	lock_t	l)
 {
-	register int	i;
+	int	i;
 
 	check_simple_locks();
 	simple_lock(&l->interlock);
@@ -307,7 +308,7 @@ void lock_write(
 }
 
 void lock_done(
-	register lock_t	l)
+	lock_t	l)
 {
 	simple_lock(&l->interlock);
 
@@ -339,9 +340,9 @@ void lock_done(
 }
 
 void lock_read(
-	register lock_t	l)
+	lock_t	l)
 {
-	register int	i;
+	int	i;
 
 	check_simple_locks();
 	simple_lock(&l->interlock);
@@ -386,9 +387,9 @@ void lock_read(
  *		Returns TRUE if the upgrade *failed*.
  */
 boolean_t lock_read_to_write(
-	register lock_t	l)
+	lock_t	l)
 {
-	register int	i;
+	int	i;
 
 	check_simple_locks();
 	simple_lock(&l->interlock);
@@ -442,7 +443,7 @@ boolean_t lock_read_to_write(
 }
 
 void lock_write_to_read(
-	register lock_t	l)
+	lock_t	l)
 {
 	simple_lock(&l->interlock);
 
@@ -473,7 +474,7 @@ void lock_write_to_read(
  */
 
 boolean_t lock_try_write(
-	register lock_t	l)
+	lock_t	l)
 {
 	simple_lock(&l->interlock);
 
@@ -512,7 +513,7 @@ boolean_t lock_try_write(
  */
 
 boolean_t lock_try_read(
-	register lock_t	l)
+	lock_t	l)
 {
 	simple_lock(&l->interlock);
 
@@ -546,7 +547,7 @@ boolean_t lock_try_read(
  *		Returns FALSE if the upgrade *failed*.
  */
 boolean_t lock_try_read_to_write(
-	register lock_t	l)
+	lock_t	l)
 {
 	check_simple_locks();
 	simple_lock(&l->interlock);
@@ -621,7 +622,7 @@ void db_show_all_slocks(void)
 		info = &simple_locks_info[i];
 		db_printf("%d: ", i);
 		db_printsym(info->l, DB_STGY_ANY);
-#if i386
+#if defined(__i386__)
 		db_printf(" locked by ");
 		db_printsym(info->ra, DB_STGY_PROC);
 #endif