4 * Copyright IBM, Corp. 2011
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 "qemu/osdep.h"
15 #include "qemu/coroutine.h"
16 #include "qemu/timer.h"
17 #include "block/aio.h"
19 typedef struct CoSleepCB {
24 static void co_sleep_cb(void *opaque)
26 CoSleepCB *sleep_cb = opaque;
28 qemu_coroutine_enter(sleep_cb->co, NULL);
31 void coroutine_fn co_aio_sleep_ns(AioContext *ctx, QEMUClockType type,
34 CoSleepCB sleep_cb = {
35 .co = qemu_coroutine_self(),
37 sleep_cb.ts = aio_timer_new(ctx, type, SCALE_NS, co_sleep_cb, &sleep_cb);
38 timer_mod(sleep_cb.ts, qemu_clock_get_ns(type) + ns);
39 qemu_coroutine_yield();
40 timer_del(sleep_cb.ts);
41 timer_free(sleep_cb.ts);