From fde790296f1817e463cb73ec5d3b91359bfbd921 Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <tschwinge@gnu.org>
Date: Mon, 5 Feb 2007 20:34:56 +0000
Subject: 2007-02-05 Thomas Schwinge <tschwinge@gnu.org>
* kern/time_out.h: Remove file after having installed the missing bits
in...
* kern/mach_clock.h: ... here.
---
kern/mach_clock.h | 63 +++++++++++++++++++++++++++++++++++++++++++------------
1 file changed, 50 insertions(+), 13 deletions(-)
(limited to 'kern/mach_clock.h')
diff --git a/kern/mach_clock.h b/kern/mach_clock.h
index e6f746b8..93237aaf 100644
--- a/kern/mach_clock.h
+++ b/kern/mach_clock.h
@@ -1,6 +1,5 @@
/*
- *
- * Copyright (C) 2006 Free Software Foundation, Inc.
+ * Copyright (C) 2006, 2007 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -16,34 +15,72 @@
* along with this program; if not, write to the Free Software
* Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
- * Author: Barry deFreese.
- */
-/*
- *
+ * Author: Barry deFreese and others.
*/
#ifndef _KERN_MACH_CLOCK_H_
#define _KERN_MACH_CLOCK_H_
-#include <sys/types.h>
-#include <kern/time_out.h>
+/*
+ * Mach time-out and time-of-day facility.
+ */
+
#include <mach/machine/kern_return.h>
+#include <mach/time_value.h>
+#include <kern/host.h>
+#include <kern/queue.h>
+
+
+/* Timers in kernel. */
+extern unsigned long elapsed_ticks; /* number of ticks elapsed since bootup */
+extern int hz; /* number of ticks per second */
+extern int tick; /* number of usec per tick */
+
+
+/* Time-out element. */
+struct timer_elt {
+ queue_chain_t chain; /* chain in order of expiration */
+ int (*fcn)(); /* function to call */
+ char * param; /* with this parameter */
+ unsigned long ticks; /* expiration time, in ticks */
+ int set; /* unset | set | allocated */
+};
+#define TELT_UNSET 0 /* timer not set */
+#define TELT_SET 1 /* timer set */
+#define TELT_ALLOC 2 /* timer allocated from pool */
+
+typedef struct timer_elt timer_elt_data_t;
+typedef struct timer_elt *timer_elt_t;
+
extern void clock_interrupt(
int usec,
boolean_t usermode,
boolean_t basepri);
-extern void softclock();
+extern void softclock (void);
+/* For `private' timer elements. */
extern void set_timeout(
timer_elt_t telt,
unsigned int interval);
-
extern boolean_t reset_timeout(timer_elt_t telt);
-extern void init_timeout();
+#define set_timeout_setup(telt,fcn,param,interval) \
+ ((telt)->fcn = (fcn), \
+ (telt)->param = (param), \
+ (telt)->private = TRUE, \
+ set_timeout((telt), (interval)))
+
+#define reset_timeout_check(t) \
+ MACRO_BEGIN \
+ if ((t)->set) \
+ reset_timeout((t)); \
+ MACRO_END
+extern void init_timeout (void);
+
+/* Read the current time into STAMP. */
extern void record_time_stamp (time_value_t *stamp);
extern kern_return_t host_get_time(
@@ -59,10 +96,10 @@ extern kern_return_t host_adjust_time(
time_value_t new_adjustment,
time_value_t *old_adjustment);
-extern void mapable_time_init();
+extern void mapable_time_init (void);
+/* For public timer elements. */
extern void timeout(int (*fcn)(), char *param, int interval);
-
extern boolean_t untimeout(int (*fcn)(), char *param);
#endif /* _KERN_MACH_CLOCK_H_ */
--
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