LXR qemu/hw/9pfs/coth.c

   1/*
   2 * 9p backend
   3 *
   4 * Copyright IBM, Corp. 2010
   5 *
   6 * Authors:
   7 *  Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
   8 *  Venkateswararao Jujjuri(JV) <jvrao@linux.vnet.ibm.com>
   9 *
  10 * This work is licensed under the terms of the GNU GPL, version 2.  See
  11 * the COPYING file in the top-level directory.
  12 *
  13 */
  14
  15#include "qemu/osdep.h"
  16#include "block/thread-pool.h"
  17#include "qemu/coroutine.h"
  18#include "coth.h"
  19
  20/* Called from QEMU I/O thread.  */
  21static void coroutine_enter_cb(void *opaque, int ret)
  22{
  23    Coroutine *co = opaque;
  24    qemu_coroutine_enter(co);
  25}
  26
  27/* Called from worker thread.  */
  28static int coroutine_enter_func(void *arg)
  29{
  30    Coroutine *co = arg;
  31    qemu_coroutine_enter(co);
  32    return 0;
  33}
  34
  35void co_run_in_worker_bh(void *opaque)
  36{
  37    Coroutine *co = opaque;
  38    thread_pool_submit_aio(aio_get_thread_pool(qemu_get_aio_context()),
  39                           coroutine_enter_func, co, coroutine_enter_cb, co);
  40}
  41