diff options
Diffstat (limited to 'test/drop-submit.c')
-rw-r--r-- | test/drop-submit.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/drop-submit.c b/test/drop-submit.c new file mode 100644 index 0000000..7b15f26 --- /dev/null +++ b/test/drop-submit.c @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Description: test IORING_SETUP_SUBMIT_ALL + * + */ +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> + +#include "liburing.h" + +static int test(struct io_uring *ring, int expect_drops) +{ + struct io_uring_sqe *sqe; + char buf[32]; + int ret, i; + + for (i = 0; i < 4; i++) { + sqe = io_uring_get_sqe(ring); + if (!sqe) { + fprintf(stderr, "get sqe failed\n"); + goto err; + } + + io_uring_prep_nop(sqe); + } + + /* prep two invalid reads, these will fail */ + for (i = 0; i < 2; i++) { + sqe = io_uring_get_sqe(ring); + if (!sqe) { + fprintf(stderr, "get sqe failed\n"); + goto err; + } + + io_uring_prep_read(sqe, 128, buf, sizeof(buf), 0); + sqe->ioprio = (short) -1; + } + + + ret = io_uring_submit(ring); + if (expect_drops) { + if (ret != 5) { + fprintf(stderr, "drops submit failed: %d\n", ret); + goto err; + } + } else { + if (ret != 6) { + fprintf(stderr, "no drops submit failed: %d\n", ret); + goto err; + } + } + + return 0; +err: + return 1; +} + +int main(int argc, char *argv[]) +{ + struct io_uring ring; + int ret; + + if (argc > 1) + return 0; + + ret = io_uring_queue_init(8, &ring, IORING_SETUP_SUBMIT_ALL); + if (ret) + return 0; + + ret = test(&ring, 0); + if (ret) { + fprintf(stderr, "test no drops failed\n"); + return ret; + } + + io_uring_queue_exit(&ring); + + ret = io_uring_queue_init(8, &ring, 0); + if (ret) { + fprintf(stderr, "ring setup failed\n"); + return 0; + } + + ret = test(&ring, 1); + if (ret) { + fprintf(stderr, "test drops failed\n"); + return ret; + } + + return 0; +} |