src/core/iomgr/alarm_internal.h

/*
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#ifndef GRPC_INTERNAL_CORE_IOMGR_ALARM_INTERNAL_H
#define GRPC_INTERNAL_CORE_IOMGR_ALARM_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 alarms */

/* Check for alarms to be run, and run them.
   Return non zero if alarm 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 alarm
   IF that alarm 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_alarm_check (grpc_exec_ctx * exec_ctx, gpr_timespec now, gpr_timespec * next);
void grpc_alarm_list_init (gpr_timespec now);
void grpc_alarm_list_shutdown (grpc_closure_list * closure_list);

gpr_timespec grpc_alarm_list_next_timeout (void);

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

void grpc_kick_poller (void);

#endif /* GRPC_INTERNAL_CORE_IOMGR_ALARM_INTERNAL_H */