* @OSF_COPYRIGHT@
*/
/*
- * File: kern/clock.h
- * Purpose: Data structures for the kernel alarm clock
- * facility. This file is used only by kernel
- * level clock facility routines.
*/
#ifndef _KERN_CLOCK_H_
#ifdef MACH_KERNEL_PRIVATE
-/*
- * Actual clock alarm structure. Used for user clock_sleep() and
- * clock_alarm() calls. Alarms are allocated from the alarm free
- * list and entered in time priority order into the active alarm
- * chain of the target clock.
- */
-struct alarm {
- struct alarm *al_next; /* next alarm in chain */
- struct alarm *al_prev; /* previous alarm in chain */
- int al_status; /* alarm status */
- mach_timespec_t al_time; /* alarm time */
- struct { /* message alarm data */
- int type; /* alarm type */
- ipc_port_t port; /* alarm port */
- mach_msg_type_name_t
- port_type; /* alarm port type */
- struct clock *clock; /* alarm clock */
- void *data; /* alarm data */
- } al_alrm;
-#define al_type al_alrm.type
-#define al_port al_alrm.port
-#define al_port_type al_alrm.port_type
-#define al_clock al_alrm.clock
-#define al_data al_alrm.data
- long al_seqno; /* alarm sequence number */
-};
-typedef struct alarm alarm_data_t;
-
-/* alarm status */
-#define ALARM_FREE 0 /* alarm is on free list */
-#define ALARM_SLEEP 1 /* active clock_sleep() */
-#define ALARM_CLOCK 2 /* active clock_alarm() */
-#define ALARM_DONE 4 /* alarm has expired */
-
/*
* Clock operations list structure. Contains vectors to machine
- * dependent clock routines. The routines c_config, c_init, and
- * c_gettime must be implemented for every clock device.
+ * dependent clock routines.
*/
struct clock_ops {
int (*c_config)(void); /* configuration */
kern_return_t (*c_gettime)( /* get time */
mach_timespec_t *cur_time);
- kern_return_t (*c_settime)( /* set time */
- mach_timespec_t *clock_time);
-
kern_return_t (*c_getattr)( /* get attributes */
clock_flavor_t flavor,
clock_attr_t attr,
mach_msg_type_number_t *count);
-
- kern_return_t (*c_setattr)( /* set attributes */
- clock_flavor_t flavor,
- clock_attr_t attr,
- mach_msg_type_number_t count);
-
- void (*c_setalrm)( /* set next alarm */
- mach_timespec_t *alarm_time);
};
typedef struct clock_ops *clock_ops_t;
typedef struct clock_ops clock_ops_data_t;
/*
* Actual clock object data structure. Contains the machine
- * dependent operations list, clock operations ports, and a
- * chain of pending alarms.
+ * dependent operations list and clock operation ports.
*/
struct clock {
clock_ops_t cl_ops; /* operations list */
struct ipc_port *cl_service; /* service port */
struct ipc_port *cl_control; /* control port */
- struct { /* alarm chain head */
- struct alarm *al_next;
- } cl_alarm;
};
typedef struct clock clock_data_t;
* Configure the clock system.
*/
extern void clock_config(void);
+extern void clock_oldconfig(void);
/*
* Initialize the clock system.
*/
extern void clock_init(void);
+extern void clock_oldinit(void);
extern void clock_timebase_init(void);
*/
extern void clock_service_create(void);
-/*
- * Service clock alarm interrupts. Called from machine dependent
- * layer at splclock(). The clock_id argument specifies the clock,
- * and the clock_time argument gives that clock's current time.
- */
-extern void clock_alarm_intr(
- clock_id_t clock_id,
- mach_timespec_t *clock_time);
-
-extern kern_return_t clock_sleep_internal(
- clock_t clock,
- sleep_type_t sleep_type,
- mach_timespec_t *sleep_time);
-
typedef void (*clock_timer_func_t)(
uint64_t timestamp);
extern void clock_set_timer_deadline(
uint64_t deadline);
-extern uint32_t clock_set_calendar_adjtime(
- int32_t *secs,
- int32_t *microsecs);
-
-extern uint32_t clock_adjust_calendar(void);
+extern void clock_gettimeofday_set_commpage(
+ uint64_t abstime,
+ uint64_t epoch,
+ uint64_t offset,
+ uint32_t *secs,
+ uint32_t *microsecs);
extern void machine_delay_until(
uint64_t deadline);
uint32_t *secs,
uint32_t *microsecs);
+extern void absolutetime_to_nanotime(
+ uint64_t abstime,
+ uint32_t *secs,
+ uint32_t *nanosecs);
+
+extern void nanotime_to_absolutetime(
+ uint32_t secs,
+ uint32_t nanosecs,
+ uint64_t *result);
+
#endif /* MACH_KERNEL_PRIVATE */
__BEGIN_DECLS
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