98 lines
1.8 KiB
C
98 lines
1.8 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 <sys/poll.h>
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#include <sys/eventfd.h>
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#include "liburing.h"
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int main(int argc, char *argv[])
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{
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struct io_uring_params p = {};
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struct io_uring ring1, ring2;
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struct io_uring_sqe *sqe;
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int ret, evfd1, evfd2;
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if (argc > 1)
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return 0;
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ret = io_uring_queue_init_params(8, &ring1, &p);
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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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if (!(p.features & IORING_FEAT_CUR_PERSONALITY)) {
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fprintf(stdout, "Skipping\n");
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return 0;
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}
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ret = io_uring_queue_init(8, &ring2, 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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evfd1 = eventfd(0, EFD_CLOEXEC);
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if (evfd1 < 0) {
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perror("eventfd");
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return 1;
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}
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evfd2 = eventfd(0, EFD_CLOEXEC);
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if (evfd2 < 0) {
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perror("eventfd");
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return 1;
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}
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ret = io_uring_register_eventfd(&ring1, evfd1);
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if (ret) {
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fprintf(stderr, "failed to register evfd: %d\n", ret);
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return 1;
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}
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ret = io_uring_register_eventfd(&ring2, evfd2);
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if (ret) {
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fprintf(stderr, "failed to register evfd: %d\n", ret);
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return 1;
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}
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sqe = io_uring_get_sqe(&ring1);
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io_uring_prep_poll_add(sqe, evfd2, POLLIN);
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sqe->user_data = 1;
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sqe = io_uring_get_sqe(&ring2);
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io_uring_prep_poll_add(sqe, evfd1, POLLIN);
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sqe->user_data = 1;
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ret = io_uring_submit(&ring1);
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if (ret != 1) {
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fprintf(stderr, "submit: %d\n", ret);
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return 1;
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}
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ret = io_uring_submit(&ring2);
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if (ret != 1) {
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fprintf(stderr, "submit: %d\n", ret);
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return 1;
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}
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sqe = io_uring_get_sqe(&ring1);
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io_uring_prep_nop(sqe);
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sqe->user_data = 3;
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ret = io_uring_submit(&ring1);
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if (ret != 1) {
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fprintf(stderr, "submit: %d\n", ret);
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return 1;
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}
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return 0;
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}
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