libvirt/src/util/virthreadpool.h

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/*
* virthreadpool.h: a generic thread pool implementation
*
* Copyright (C) 2010 Hu Tao
* Copyright (C) 2010 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author:
* Hu Tao <hutao@cn.fujitsu.com>
* Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __VIR_THREADPOOL_H__
# define __VIR_THREADPOOL_H__
# include "internal.h"
typedef struct _virThreadPool virThreadPool;
typedef virThreadPool *virThreadPoolPtr;
typedef void (*virThreadPoolJobFunc)(void *jobdata, void *opaque);
virThreadPoolPtr virThreadPoolNew(size_t minWorkers,
size_t maxWorkers,
size_t prioWorkers,
virThreadPoolJobFunc func,
void *opaque) ATTRIBUTE_NONNULL(4);
size_t virThreadPoolGetMinWorkers(virThreadPoolPtr pool);
size_t virThreadPoolGetMaxWorkers(virThreadPoolPtr pool);
size_t virThreadPoolGetPriorityWorkers(virThreadPoolPtr pool);
void virThreadPoolFree(virThreadPoolPtr pool);
int virThreadPoolSendJob(virThreadPoolPtr pool,
unsigned int priority,
void *jobdata) ATTRIBUTE_NONNULL(1)
ATTRIBUTE_RETURN_CHECK;
#endif