--- Gnu-Mach/kern/ast.h	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/kern/ast.h	2020/09/02 04:45:17	1.1.1.3
@@ -40,8 +40,6 @@
  *	a set of reasons for an AST, and passing this set to ast_taken.
  */
 
-#include <cpus.h>
-
 #include "cpu_number.h"
 #include <kern/macro_help.h>
 #include <machine/ast.h>
@@ -70,7 +68,7 @@
 
 #define AST_PER_THREAD  (AST_HALT | AST_TERMINATE | MACHINE_AST_PER_THREAD)
 
-typedef unsigned int ast_t;
+typedef unsigned long ast_t;
 
 extern volatile ast_t need_ast[NCPUS];
 
@@ -78,14 +76,14 @@ extern volatile ast_t need_ast[NCPUS];
 /*
  *	machine/ast.h is responsible for defining aston and astoff.
  */
-#else	MACHINE_AST
+#else	/* MACHINE_AST */
 
 #define aston(mycpu)
 #define astoff(mycpu)
 
-#endif	MACHINE_AST
+#endif	/* MACHINE_AST */
 
-extern void ast_taken();
+extern void ast_taken(void);
 
 /*
  *	ast_needed, ast_on, ast_off, ast_context, and ast_propagate
@@ -129,4 +127,8 @@ MACRO_END
  *	be followed by ast_propagate().
  */
 
-#endif	_KERN_AST_H_
+extern void ast_init (void);
+
+extern void ast_check (void);
+
+#endif	/* _KERN_AST_H_ */