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-rw-r--r--qemu-aio.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/qemu-aio.h b/qemu-aio.h
index 0fc84093c0..bfdd35f02c 100644
--- a/qemu-aio.h
+++ b/qemu-aio.h
@@ -48,8 +48,10 @@ void qemu_aio_flush(void);
/* Wait for a single AIO completion to occur. This function will wait
* until a single AIO event has completed and it will ensure something
* has moved before returning. This can issue new pending aio as
- * result of executing I/O completion or bh callbacks. */
-void qemu_aio_wait(void);
+ * result of executing I/O completion or bh callbacks.
+ *
+ * Return whether there is still any pending AIO operation. */
+bool qemu_aio_wait(void);
/* Register a file descriptor and associated callbacks. Behaves very similarly
* to qemu_set_fd_handler2. Unlike qemu_set_fd_handler2, these callbacks will