void coroutine_fn qemu_co_queue_wait_impl(CoQueue *queue, QemuLockable *lock);
/**
- * Removes the next coroutine from the CoQueue, and wake it up.
+ * Removes the next coroutine from the CoQueue, and queue it to run after
+ * the currently-running coroutine yields.
* Returns true if a coroutine was removed, false if the queue is empty.
- * OK to run from coroutine and non-coroutine context.
+ * Used from coroutine context, use qemu_co_enter_next outside.
*/
-bool qemu_co_queue_next(CoQueue *queue);
+bool coroutine_fn qemu_co_queue_next(CoQueue *queue);
/**
* Empties the CoQueue; all coroutines are woken up.
}
}
-static bool qemu_co_queue_do_restart(CoQueue *queue, bool single)
+void qemu_co_queue_restart_all(CoQueue *queue)
{
Coroutine *next;
while ((next = QSIMPLEQ_FIRST(&queue->entries)) != NULL) {
QSIMPLEQ_REMOVE_HEAD(&queue->entries, co_queue_next);
aio_co_wake(next);
- if (single) {
- break;
- }
}
return true;
}
-bool qemu_co_queue_next(CoQueue *queue)
-{
- return qemu_co_queue_do_restart(queue, true);
-}
-
-void qemu_co_queue_restart_all(CoQueue *queue)
-{
- qemu_co_queue_do_restart(queue, false);
-}
-
bool qemu_co_enter_next_impl(CoQueue *queue, QemuLockable *lock)
{
Coroutine *next;
return true;
}
+bool coroutine_fn qemu_co_queue_next(CoQueue *queue)
+{
+ /* No unlock/lock needed in coroutine context. */
+ return qemu_co_enter_next_impl(queue, NULL);
+}
+
bool qemu_co_queue_empty(CoQueue *queue)
{
return QSIMPLEQ_FIRST(&queue->entries) == NULL;