116 lines
1.9 KiB
C
116 lines
1.9 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: run various nop tests
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*
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include "liburing.h"
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static int test_single_nop(struct io_uring *ring)
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{
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int ret;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "get sqe failed\n");
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goto err;
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}
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io_uring_prep_nop(sqe);
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "sqe submit failed: %d\n", ret);
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goto err;
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}
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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fprintf(stderr, "wait completion %d\n", ret);
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goto err;
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}
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io_uring_cqe_seen(ring, cqe);
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return 0;
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err:
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return 1;
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}
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static int test_barrier_nop(struct io_uring *ring)
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{
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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int ret, i;
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for (i = 0; i < 8; i++) {
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "get sqe failed\n");
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goto err;
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}
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io_uring_prep_nop(sqe);
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if (i == 4)
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sqe->flags = IOSQE_IO_DRAIN;
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}
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ret = io_uring_submit(ring);
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if (ret < 0) {
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fprintf(stderr, "sqe submit failed: %d\n", ret);
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goto err;
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} else if (ret < 8) {
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fprintf(stderr, "Submitted only %d\n", ret);
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goto err;
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}
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for (i = 0; i < 8; i++) {
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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fprintf(stderr, "wait completion %d\n", ret);
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goto err;
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}
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io_uring_cqe_seen(ring, cqe);
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}
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return 0;
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err:
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return 1;
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}
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int main(int argc, char *argv[])
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{
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struct io_uring ring;
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int ret;
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if (argc > 1)
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return 0;
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ret = io_uring_queue_init(8, &ring, 0);
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if (ret) {
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fprintf(stderr, "ring setup failed: %d\n", ret);
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return 1;
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}
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ret = test_single_nop(&ring);
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if (ret) {
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fprintf(stderr, "test_single_nop failed\n");
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return ret;
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}
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ret = test_barrier_nop(&ring);
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if (ret) {
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fprintf(stderr, "test_barrier_nop failed\n");
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return ret;
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}
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return 0;
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}
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