blob: 948ff5f30c31de452361578dec9fa252817b4a69 [file] [log] [blame]
/*
* QEMU block layer thread pool
*
* Copyright IBM, Corp. 2008
* Copyright Red Hat, Inc. 2012
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paolo Bonzini <pbonzini@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
#ifndef QEMU_THREAD_POOL_H
#define QEMU_THREAD_POOL_H
#include "block/aio.h"
#define THREAD_POOL_MAX_THREADS_DEFAULT 64
typedef int ThreadPoolFunc(void *opaque);
typedef struct ThreadPool ThreadPool;
ThreadPool *thread_pool_new(struct AioContext *ctx);
void thread_pool_free(ThreadPool *pool);
/*
* thread_pool_submit* API: submit I/O requests in the thread's
* current AioContext.
*/
BlockAIOCB *thread_pool_submit_aio(ThreadPoolFunc *func, void *arg,
BlockCompletionFunc *cb, void *opaque);
int coroutine_fn thread_pool_submit_co(ThreadPoolFunc *func, void *arg);
void thread_pool_submit(ThreadPoolFunc *func, void *arg);
void thread_pool_update_params(ThreadPool *pool, struct AioContext *ctx);
#endif