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#ifndef GRPC_INTERNAL_CORE_IOMGR_TIMER_INTERNAL_H
#define GRPC_INTERNAL_CORE_IOMGR_TIMER_INTERNAL_H

#include "src/core/iomgr/exec_ctx.h"
#include <grpc/support/sync.h>
#include <grpc/support/time.h>

/* iomgr internal api for dealing with timers */

/* Check for timers to be run, and run them.
   Return non zero if timer callbacks were executed.
   Drops drop_mu if it is non-null before executing callbacks.
   If next is non-null, TRY to update *next with the next running timer
   IF that timer occurs before *next current value.
   *next is never guaranteed to be updated on any given execution; however,
   with high probability at least one thread in the system will see an update
   at any time slice. */

int grpc_timer_check(grpc_exec_ctx* exec_ctx, gpr_timespec now,
                     gpr_timespec* next);
void grpc_timer_list_init(gpr_timespec now);
void grpc_timer_list_shutdown(grpc_exec_ctx* exec_ctx);

gpr_timespec grpc_timer_list_next_timeout(void);

/* the following must be implemented by each iomgr implementation */

void grpc_kick_poller(void);

#endif /* GRPC_INTERNAL_CORE_IOMGR_TIMER_INTERNAL_H */