From b76db3f49d4bae86e299ff8aebfc76996e4c5902 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 30 Aug 2019 11:09:46 -0600
Subject: examples/io_uring-cp: handle io_uring_peek_cqe() -EAGAIN

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 examples/io_uring-cp.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/examples/io_uring-cp.c b/examples/io_uring-cp.c
index adb7b29..455ca72 100644
--- a/examples/io_uring-cp.c
+++ b/examples/io_uring-cp.c
@@ -168,8 +168,13 @@ static int copy_file(struct io_uring *ring, off_t insize)
 			if (!got_comp) {
 				ret = io_uring_wait_cqe(ring, &cqe);
 				got_comp = 1;
-			} else
+			} else {
 				ret = io_uring_peek_cqe(ring, &cqe);
+				if (ret == -EAGAIN) {
+					cqe = NULL;
+					ret = 0;
+				}
+			}
 			if (ret < 0) {
 				fprintf(stderr, "io_uring_peek_cqe: %s\n",
 							strerror(-ret));
-- 
cgit