--- Gnu-Mach/kern/task.h	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/kern/task.h	2020/09/02 04:45:21	1.1.1.4
@@ -1,25 +1,25 @@
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1993-1988 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
  * software, derivative works or modified versions, and any portions
  * thereof, and that both notices appear in supporting documentation.
- * 
+ *
  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
+ *
  * Carnegie Mellon requests users of this software to return to
- * 
+ *
  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  *  School of Computer Science
  *  Carnegie Mellon University
  *  Pittsburgh PA 15213-3890
- * 
+ *
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
@@ -34,10 +34,6 @@
 #ifndef	_KERN_TASK_H_
 #define _KERN_TASK_H_
 
-#include <norma_task.h>
-#include <fast_tas.h>
-#include <net_atm.h>
-
 #include <mach/boolean.h>
 #include <mach/port.h>
 #include <mach/time_value.h>
@@ -49,14 +45,8 @@
 #include <kern/pc_sample.h>
 #include <kern/processor.h>
 #include <kern/syscall_emulation.h>
-#include <vm/vm_map.h>
-
-#if	NET_ATM
-typedef struct nw_ep_owned {
-  unsigned int ep;
-  struct nw_ep_owned *next;
-} nw_ep_owned_s, *nw_ep_owned_t;
-#endif
+#include <vm/vm_types.h>
+#include <machine/task.h>
 
 struct task {
 	/* Synchronization/destruction information */
@@ -86,6 +76,8 @@ struct task {
 	time_value_t	total_system_time;
 				/* total system time for dead threads */
 
+	time_value_t	creation_time; /* time stamp at creation */
+
 	/* IPC structures */
 	decl_simple_lock_data(, itk_lock_data)
 	struct ipc_port *itk_self;	/* not a right, doesn't hold ref */
@@ -102,19 +94,23 @@ struct task {
 
 	sample_control_t pc_sample;
 
-#if	NORMA_TASK
-	long		child_node;	/* if != -1, node for new children */
-#endif	/* NORMA_TASK */
-
 #if	FAST_TAS
-#define TASK_FAST_TAS_NRAS	8	
+#define TASK_FAST_TAS_NRAS	8
 	vm_offset_t	fast_tas_base[TASK_FAST_TAS_NRAS];
 	vm_offset_t	fast_tas_end[TASK_FAST_TAS_NRAS];
 #endif	/* FAST_TAS */
 
-#if	NET_ATM
-	nw_ep_owned_t   nw_ep_owned;
-#endif	/* NET_ATM */
+	/* Hardware specific data.  */
+	machine_task_t	machine;
+
+	/* Statistics */
+	natural_t	faults;		/* page faults counter */
+	natural_t	zero_fills;	/* zero fill pages counter */
+	natural_t	reactivations;	/* reactivated pages counter */
+	natural_t	pageins;	/* actual pageins couter */
+	natural_t	cow_faults;	/* copy-on-write faults counter */
+	natural_t	messages_sent;	/* messages sent counter */
+	natural_t	messages_received; /* messages received counter */
 };
 
 #define task_lock(task)		simple_lock(&(task)->lock)
@@ -162,22 +158,19 @@ extern kern_return_t	task_assign(
 extern kern_return_t	task_assign_default(
 	task_t		task,
 	boolean_t	assign_threads);
+extern void consider_task_collect(void);
 
 /*
  *	Internal only routines
  */
 
-extern void		task_init();
-extern void		task_reference();
-extern void		task_deallocate();
-extern kern_return_t	task_hold();
-extern kern_return_t	task_dowait();
-extern kern_return_t	task_release();
-extern kern_return_t	task_halt();
-
-extern kern_return_t	task_suspend_nowait();
-extern task_t		kernel_task_create();
+extern void		task_init(void);
+extern void		task_reference(task_t);
+extern void		task_deallocate(task_t);
+extern kern_return_t	task_hold(task_t);
+extern kern_return_t	task_dowait(task_t, boolean_t);
+extern kern_return_t	task_release(task_t);
 
 extern task_t	kernel_task;
 
-#endif	_KERN_TASK_H_
+#endif	/* _KERN_TASK_H_ */