third_party/grpc/src/core/iomgr/timer_heap.h

/*
 *
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#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H
#define GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H

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

typedef struct {
  grpc_timer **timers;
  uint32_t timer_count;
  uint32_t timer_capacity;
} grpc_timer_heap;

/* return 1 if the new timer is the first timer in the heap */
int grpc_timer_heap_add(grpc_timer_heap *heap, grpc_timer *timer);

void grpc_timer_heap_init(grpc_timer_heap *heap);
void grpc_timer_heap_destroy(grpc_timer_heap *heap);

void grpc_timer_heap_remove(grpc_timer_heap *heap, grpc_timer *timer);
grpc_timer *grpc_timer_heap_top(grpc_timer_heap *heap);
void grpc_timer_heap_pop(grpc_timer_heap *heap);

int grpc_timer_heap_is_empty(grpc_timer_heap *heap);

#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_HEAP_H */