#ifndef RVL_SDK_OS_ALARM_H
#define RVL_SDK_OS_ALARM_H
#include "common.h"
#ifdef __cplusplus
extern "C" {
#endif

// Forward declarations
typedef struct OSAlarm;
typedef struct OSContext;

typedef void (*OSAlarmHandler)(struct OSAlarm *alarm, struct OSContext *ctx);

typedef struct OSAlarm {
    OSAlarmHandler handler; // at 0x0
    u32 tag;                // at 0x4
    s64 end;
    struct OSAlarm *prev; // at 0x10
    struct OSAlarm *next; // at 0x14
    s64 period;           // at 0x18
    s64 start;            // at 0x20
    void *userData;       // at 0x28
} OSAlarm;

typedef struct OSAlarmQueue {
    OSAlarm *head; // at 0x0
    OSAlarm *tail; // at 0x4
} OSAlarmQueue;

void __OSInitAlarm(void);
void OSCreateAlarm(OSAlarm *alarm);
void OSSetAlarm(OSAlarm *alarm, s64 tick, OSAlarmHandler handler);
void OSSetPeriodicAlarm(OSAlarm *alarm, s64 tick, s64 period, OSAlarmHandler handler);
void OSCancelAlarm(OSAlarm *alarm);
void OSSetAlarmTag(OSAlarm *alarm, u32 tag);
void OSSetAlarmUserData(OSAlarm *alarm, void *userData);
void *OSGetAlarmUserData(const OSAlarm *alarm);

#ifdef __cplusplus
}
#endif
#endif