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[92.41.37.76]) by smtp.gmail.com with ESMTPSA id t20-20020adfa2d4000000b002bdcce37d31sm712912wra.99.2023.01.23.17.23.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jan 2023 17:23:47 -0800 (PST) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH liburing 3/5] test/msg_ring: test msg_ring to a disabled ring Date: Tue, 24 Jan 2023 01:21:47 +0000 Message-Id: <30b4fae32616f4241f209fd35e397d4990d9df76.1674523156.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org A regression test trying to message IORING_SETUP_R_DISABLED rings. Signed-off-by: Pavel Begunkov --- test/msg-ring.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/test/msg-ring.c b/test/msg-ring.c index 6db7680..66c60b3 100644 --- a/test/msg-ring.c +++ b/test/msg-ring.c @@ -191,6 +191,49 @@ err: return 1; } +static int test_disabled_ring(struct io_uring *ring, int flags) +{ + struct io_uring_cqe *cqe; + struct io_uring_sqe *sqe; + struct io_uring disabled_ring; + int ret; + + flags |= IORING_SETUP_R_DISABLED; + ret = io_uring_queue_init(8, &disabled_ring, flags); + if (ret) { + fprintf(stderr, "ring setup failed: %d\n", ret); + return 1; + } + + sqe = io_uring_get_sqe(ring); + io_uring_prep_msg_ring(sqe, disabled_ring.ring_fd, 0x10, 0x1234, 0); + sqe->user_data = 1; + + ret = io_uring_submit(ring); + if (ret != 1) { + fprintf(stderr, "sqe submit failed: %d\n", ret); + return 1; + } + + ret = io_uring_wait_cqe(ring, &cqe); + if (ret < 0) { + fprintf(stderr, "wait completion %d\n", ret); + return 1; + } + if (cqe->res != 0 && cqe->res != -EBADFD) { + fprintf(stderr, "cqe res %d\n", cqe->res); + return 1; + } + if (cqe->user_data != 1) { + fprintf(stderr, "user_data %llx\n", (long long) cqe->user_data); + return 1; + } + + io_uring_cqe_seen(ring, cqe); + io_uring_queue_exit(&disabled_ring); + return 0; +} + int main(int argc, char *argv[]) { struct io_uring ring, ring2, pring; @@ -280,6 +323,18 @@ int main(int argc, char *argv[]) } } io_uring_queue_exit(&ring); + + if (test_disabled_ring(&ring2, 0)) { + fprintf(stderr, "test_disabled_ring failed\n"); + return T_EXIT_FAIL; + } + + if (test_disabled_ring(&ring2, IORING_SETUP_SINGLE_ISSUER | + IORING_SETUP_DEFER_TASKRUN)) { + fprintf(stderr, "test_disabled_ring defer failed\n"); + return T_EXIT_FAIL; + } + } return T_EXIT_PASS; -- 2.38.1