qemu-e2k/hw/9pfs/coth.c

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/*
* 9p backend
*
* Copyright IBM, Corp. 2010
*
* Authors:
* Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
* Venkateswararao Jujjuri(JV) <jvrao@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
/*
* Not so fast! You might want to read the 9p developer docs first:
* https://wiki.qemu.org/Documentation/9p
*/
#include "qemu/osdep.h"
#include "block/thread-pool.h"
#include "qemu/coroutine.h"
#include "qemu/main-loop.h"
#include "coth.h"
/* Called from QEMU I/O thread. */
static void coroutine_enter_cb(void *opaque, int ret)
{
Coroutine *co = opaque;
qemu_coroutine_enter(co);
}
/* Called from worker thread. */
static int coroutine_enter_func(void *arg)
{
Coroutine *co = arg;
qemu_coroutine_enter(co);
return 0;
}
void co_run_in_worker_bh(void *opaque)
{
Coroutine *co = opaque;
thread_pool_submit_aio(aio_get_thread_pool(qemu_get_aio_context()),
coroutine_enter_func, co, coroutine_enter_cb, co);
}