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Philipp Moritz
db8c0acc71
* make db_connect return the connection * rename db_conn -> db_handle * more renaming * clang-format * free the db_handle
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
#ifndef TASK_QUEUE_H
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#define TASK_QUEUE_H
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#include "db.h"
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#include "task.h"
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/* The task ID is a deterministic hash of the function ID that
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* the task executes and the argument IDs or argument values */
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typedef unique_id task_id;
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/* The task instance ID is a globally unique ID generated which
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* identifies this particular execution of the task */
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typedef unique_id task_iid;
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/* The node id is an identifier for the node the task is
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* scheduled on */
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typedef unique_id node_id;
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/* Callback for subscribing to the task queue. The only argument this
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* callback gets is the task_id of the. */
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typedef void (*task_queue_callback)(task_iid *task_iid, task_spec *task);
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/* Submit task to the global scheduler. */
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void task_queue_submit_task(db_handle *db, task_iid task_iid, task_spec *task);
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/* Submit task to a local scheduler based on the decision made by the global
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* scheduler. */
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void task_queue_schedule_task(db_handle *db, task_iid task_iid, node_id node);
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/* Subscribe to task queue. */
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void task_queue_register_callback(db_handle *db, task_queue_callback callback);
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#endif
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