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bcd9af2b76
* Remove old Innobase copyright lines from C source files * Add a reference to the GPLv2 license as recommended by the lawyers at Oracle Legal [Step 18/28]
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*****************************************************************************
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Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/******************************************************
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Server query execution
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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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UNIV_INTERN
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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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UNIV_INTERN
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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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UNIV_INTERN
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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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UNIV_INTERN
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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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