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 1
  20
  21 #include "qemu-common.h"
  22 #include "qemu/queue.h"
  23 #include "qemu/thread.h"
  24 #include "block/coroutine.h"
  25 #include "block/block_int.h"
  26
  27 typedef int ThreadPoolFunc(void *opaque);
  28
  29 typedef struct ThreadPool ThreadPool;
  30
  31 ThreadPool *thread_pool_new(struct AioContext *ctx);
  32 void thread_pool_free(ThreadPool *pool);
  33
  34 BlockDriverAIOCB *thread_pool_submit_aio(ThreadPool *pool,
  35         ThreadPoolFunc *func, void *arg,
  36         BlockDriverCompletionFunc *cb, void *opaque);
  37 int coroutine_fn thread_pool_submit_co(ThreadPool *pool,
  38         ThreadPoolFunc *func, void *arg);
  39 void thread_pool_submit(ThreadPool *pool, ThreadPoolFunc *func, void *arg);
  40
  41 #endif