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#ifndef GRPC_INTERNAL_CORE_IOMGR_ALARM_HEAP_H
#define GRPC_INTERNAL_CORE_IOMGR_ALARM_HEAP_H

#include "src/core/iomgr/alarm.h"

typedef struct {
  grpc_alarm **alarms;
  gpr_uint32 alarm_count;
  gpr_uint32 alarm_capacity;
} grpc_alarm_heap;

/* return 1 if the new alarm is the first alarm in the heap */
int grpc_alarm_heap_add(grpc_alarm_heap *heap, grpc_alarm *alarm);

void grpc_alarm_heap_init(grpc_alarm_heap *heap);
void grpc_alarm_heap_destroy(grpc_alarm_heap *heap);

void grpc_alarm_heap_remove(grpc_alarm_heap *heap, grpc_alarm *alarm);
grpc_alarm *grpc_alarm_heap_top(grpc_alarm_heap *heap);
void grpc_alarm_heap_pop(grpc_alarm_heap *heap);

int grpc_alarm_heap_is_empty(grpc_alarm_heap *heap);

#endif /* GRPC_INTERNAL_CORE_IOMGR_ALARM_HEAP_H */