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https://github.com/vale981/ray
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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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#ifndef DRIVER_TABLE_H
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#define DRIVER_TABLE_H
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#include "db.h"
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#include "table.h"
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#include "task.h"
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/*
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* ==== Subscribing to the driver table ====
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*/
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/* Callback for subscribing to the driver table. */
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typedef void (*driver_table_subscribe_callback)(WorkerID driver_id,
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void *user_context);
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/**
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* Register a callback for a driver table event.
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*
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* @param db_handle Database handle.
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* @param subscribe_callback Callback that will be called when the driver event
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* happens.
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* @param subscribe_context Context that will be passed into the
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* subscribe_callback.
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* @param retry Information about retrying the request to the database.
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* @return Void.
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*/
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void driver_table_subscribe(DBHandle *db_handle,
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driver_table_subscribe_callback subscribe_callback,
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void *subscribe_context,
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RetryInfo *retry);
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/* Data that is needed to register driver table subscribe callbacks with the
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* state database. */
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typedef struct {
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driver_table_subscribe_callback subscribe_callback;
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void *subscribe_context;
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} DriverTableSubscribeData;
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/**
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* Send driver death update to all subscribers.
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*
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* @param db_handle Database handle.
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* @param driver_id The ID of the driver that died.
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* @param retry Information about retrying the request to the database.
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*/
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void driver_table_send_driver_death(DBHandle *db_handle,
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WorkerID driver_id,
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RetryInfo *retry);
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#endif /* DRIVER_TABLE_H */
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