4 * Copyright IBM, Corp. 2011
7 * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
9 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
10 * See the COPYING.LIB file in the top-level directory.
14 #include "block/coroutine.h"
15 #include "qemu/timer.h"
16 #include "block/aio.h"
18 typedef struct CoSleepCB
{
23 static void co_sleep_cb(void *opaque
)
25 CoSleepCB
*sleep_cb
= opaque
;
27 qemu_coroutine_enter(sleep_cb
->co
, NULL
);
30 void coroutine_fn
co_aio_sleep_ns(AioContext
*ctx
, QEMUClockType type
,
33 CoSleepCB sleep_cb
= {
34 .co
= qemu_coroutine_self(),
36 sleep_cb
.ts
= aio_timer_new(ctx
, type
, SCALE_NS
, co_sleep_cb
, &sleep_cb
);
37 timer_mod(sleep_cb
.ts
, qemu_clock_get_ns(type
) + ns
);
38 qemu_coroutine_yield();
39 timer_del(sleep_cb
.ts
);
40 timer_free(sleep_cb
.ts
);