94 lines
1.5 KiB
C
94 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: test IORING_SETUP_SUBMIT_ALL
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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 "liburing.h"
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static int test(struct io_uring *ring, int expect_drops)
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{
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struct io_uring_sqe *sqe;
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char buf[32];
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int ret, i;
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for (i = 0; i < 4; 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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}
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/* prep two invalid reads, these will fail */
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for (i = 0; i < 2; 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_read(sqe, 128, buf, sizeof(buf), 0);
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sqe->ioprio = (short) -1;
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}
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ret = io_uring_submit(ring);
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if (expect_drops) {
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if (ret != 5) {
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fprintf(stderr, "drops submit failed: %d\n", ret);
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goto err;
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}
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} else {
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if (ret != 6) {
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fprintf(stderr, "no drops submit failed: %d\n", ret);
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goto err;
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}
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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, IORING_SETUP_SUBMIT_ALL);
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if (ret)
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return 0;
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ret = test(&ring, 0);
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if (ret) {
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fprintf(stderr, "test no drops failed\n");
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return ret;
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}
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io_uring_queue_exit(&ring);
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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\n");
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return 0;
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}
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ret = test(&ring, 1);
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if (ret) {
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fprintf(stderr, "test drops 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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