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#ifndef _QEMU_TIMERS_H
#define _QEMU_TIMERS_H
#include "qemu_file.h"
#define QEMU_TIMER_BASE 1000000000LL
/* timers */
typedef struct QEMUClock QEMUClock;
typedef struct QEMUTimer QEMUTimer;
typedef void QEMUTimerCB(void *opaque);
/* The real time clock should be used only for stuff which does not
change the virtual machine state, as it is run even if the virtual
machine is stopped. The real time clock has a frequency of 1000
Hz. */
extern QEMUClock *rt_clock;
/* The virtual clock is only run during the emulation. It is stopped
when the virtual machine is stopped. Virtual timers use a high
precision clock, usually cpu cycles (use ticks_per_sec). */
extern QEMUClock *vm_clock;
/* return the elapsed host time in nanoseconds */
int64_t qemu_get_elapsed_ns(void);
int64_t qemu_get_clock(QEMUClock *clock);
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque);
void qemu_free_timer(QEMUTimer *ts);
void qemu_del_timer(QEMUTimer *ts);
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time);
int qemu_timer_pending(QEMUTimer *ts);
extern int64_t ticks_per_sec;
extern int pit_min_timer_count;
int64_t cpu_get_ticks(void);
void cpu_enable_ticks(void);
void cpu_disable_ticks(void);
void init_timers(void);
void init_alarm_timer(void (*cb)(void));
void timer_save(QEMUFile *f, void *opaque);
int timer_load(QEMUFile *f, void *opaque, int version_id);
void qemu_run_virtual_timers(void);
void qemu_run_realtime_timers(void);
void qemu_init_alarm_timer( void(*cb)(void) );
void qemu_start_alarm_timer(void);
void qemu_rearm_alarm_timer(void);
void qemu_stop_alarm_timer(void);
void qemu_configure_alarms(char const *opt);
#endif /* _QEMU_TIMERS_H */
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