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3b96c95fdf
Revert Marko's untested changeset 1.1844.1.6 to the stable 4.0 version; stable 4.0 must NOT BE modified except in case of bugs srv0que.c, srv0que.h: new file
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/******************************************************
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Server query execution
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(c) 1996 Innobase Oy
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Created 6/5/1996 Heikki Tuuri
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*******************************************************/
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#ifndef srv0que_h
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#define srv0que_h
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#include "univ.i"
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#include "que0types.h"
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/**************************************************************************
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Checks if there is work to do in the server task queue. If there is, the
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thread starts processing a task. Before leaving, it again checks the task
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queue and picks a new task if any exists. This is called by a SRV_WORKER
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thread. */
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void
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srv_que_task_queue_check(void);
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/*==========================*/
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/**************************************************************************
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Performs round-robin on the server tasks. This is called by a SRV_WORKER
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thread every second or so. */
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que_thr_t*
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srv_que_round_robin(
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/*================*/
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/* out: the new (may be == thr) query thread
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to run */
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que_thr_t* thr); /* in: query thread */
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/**************************************************************************
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Enqueues a task to server task queue and releases a worker thread, if
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there exists one suspended. */
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void
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srv_que_task_enqueue(
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/*=================*/
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que_thr_t* thr); /* in: query thread */
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/**************************************************************************
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Enqueues a task to server task queue and releases a worker thread, if
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there exists one suspended. */
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void
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srv_que_task_enqueue_low(
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/*=====================*/
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que_thr_t* thr); /* in: query thread */
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#endif
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