mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 13:30:52 +00:00
3ed9902528
In the next patch we want to reenter the coroutine from block_job_cancel_sync and cancel the timer. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
40 lines
897 B
C
40 lines
897 B
C
/*
|
|
* QEMU coroutine sleep
|
|
*
|
|
* Copyright IBM, Corp. 2011
|
|
*
|
|
* Authors:
|
|
* Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
|
|
* See the COPYING.LIB file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#include "qemu-coroutine.h"
|
|
#include "qemu-timer.h"
|
|
|
|
typedef struct CoSleepCB {
|
|
QEMUTimer *ts;
|
|
Coroutine *co;
|
|
} CoSleepCB;
|
|
|
|
static void co_sleep_cb(void *opaque)
|
|
{
|
|
CoSleepCB *sleep_cb = opaque;
|
|
|
|
qemu_coroutine_enter(sleep_cb->co, NULL);
|
|
}
|
|
|
|
void coroutine_fn co_sleep_ns(QEMUClock *clock, int64_t ns)
|
|
{
|
|
CoSleepCB sleep_cb = {
|
|
.co = qemu_coroutine_self(),
|
|
};
|
|
sleep_cb.ts = qemu_new_timer(clock, SCALE_NS, co_sleep_cb, &sleep_cb);
|
|
qemu_mod_timer(sleep_cb.ts, qemu_get_clock_ns(clock) + ns);
|
|
qemu_coroutine_yield();
|
|
qemu_del_timer(sleep_cb.ts);
|
|
qemu_free_timer(sleep_cb.ts);
|
|
}
|