LXR qemu/include/block/thread-pool.h

   1/*
   2 * QEMU block layer thread pool
   3 *
   4 * Copyright IBM, Corp. 2008
   5 * Copyright Red Hat, Inc. 2012
   6 *
   7 * Authors:
   8 *  Anthony Liguori   <aliguori@us.ibm.com>
   9 *  Paolo Bonzini     <pbonzini@redhat.com>
  10 *
  11 * This work is licensed under the terms of the GNU GPL, version 2.  See
  12 * the COPYING file in the top-level directory.
  13 *
  14 * Contributions after 2012-01-13 are licensed under the terms of the
  15 * GNU GPL, version 2 or (at your option) any later version.
  16 */
  17
  18#ifndef QEMU_THREAD_POOL_H
  19#define QEMU_THREAD_POOL_H
  20
  21#include "block/block.h"
  22
  23#define THREAD_POOL_MAX_THREADS_DEFAULT         64
  24
  25typedef int ThreadPoolFunc(void *opaque);
  26
  27typedef struct ThreadPool ThreadPool;
  28
  29ThreadPool *thread_pool_new(struct AioContext *ctx);
  30void thread_pool_free(ThreadPool *pool);
  31
  32BlockAIOCB *thread_pool_submit_aio(ThreadPool *pool,
  33        ThreadPoolFunc *func, void *arg,
  34        BlockCompletionFunc *cb, void *opaque);
  35int coroutine_fn thread_pool_submit_co(ThreadPool *pool,
  36        ThreadPoolFunc *func, void *arg);
  37void thread_pool_submit(ThreadPool *pool, ThreadPoolFunc *func, void *arg);
  38void thread_pool_update_params(ThreadPool *pool, struct AioContext *ctx);
  39
  40#endif
  41