/**
* Yield the coroutine for a given duration. During this yield, @sleep_state
- * (if not NULL) is set to an opaque pointer, which may be used for
+ * is set to an opaque pointer, which may be used for
* qemu_co_sleep_wake(). Be careful, the pointer is set back to zero when the
* timer fires. Don't save the obtained value to other variables and don't call
* qemu_co_sleep_wake from another aio context.
QemuCoSleepState **sleep_state);
static inline void coroutine_fn qemu_co_sleep_ns(QEMUClockType type, int64_t ns)
{
- qemu_co_sleep_ns_wakeable(type, ns, NULL);
+ QemuCoSleepState *unused = NULL;
+ qemu_co_sleep_ns_wakeable(type, ns, &unused);
}
/**
qemu_co_sleep_ns__scheduled, NULL);
assert(scheduled == qemu_co_sleep_ns__scheduled);
- if (sleep_state->user_state_pointer) {
- *sleep_state->user_state_pointer = NULL;
- }
+ *sleep_state->user_state_pointer = NULL;
timer_del(&sleep_state->ts);
aio_co_wake(sleep_state->co);
}
}
aio_timer_init(ctx, &state.ts, type, SCALE_NS, co_sleep_cb, &state);
- if (sleep_state) {
- *sleep_state = &state;
- }
+ *sleep_state = &state;
timer_mod(&state.ts, qemu_clock_get_ns(type) + ns);
qemu_coroutine_yield();
- if (sleep_state) {
- /*
- * Note that *sleep_state is cleared during qemu_co_sleep_wake
- * before resuming this coroutine.
- */
- assert(*sleep_state == NULL);
- }
+
+ /* qemu_co_sleep_wake clears *sleep_state before resuming this coroutine. */
+ assert(*sleep_state == NULL);
}