113 lines
2.1 KiB
C
113 lines
2.1 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: test if issuing IO from thread and immediately exiting will
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* proceed correctly.
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*
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* Original test case from: https://github.com/axboe/liburing/issues/582
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*/
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/timerfd.h>
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#include <string.h>
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#include <stdio.h>
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#include "liburing.h"
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#include "helpers.h"
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struct data {
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struct io_uring *ring;
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int timer_fd1;
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int timer_fd2;
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uint64_t buf1;
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uint64_t buf2;
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};
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void *submit(void *data)
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{
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struct io_uring_sqe *sqe;
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struct data *d = data;
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int ret;
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sqe = io_uring_get_sqe(d->ring);
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io_uring_prep_read(sqe, d->timer_fd1, &d->buf1, sizeof(d->buf1), 0);
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sqe = io_uring_get_sqe(d->ring);
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io_uring_prep_read(sqe, d->timer_fd2, &d->buf2, sizeof(d->buf2), 0);
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ret = io_uring_submit(d->ring);
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if (ret != 2)
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return (void *) (uintptr_t) 1;
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/* Exit suddenly. */
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return NULL;
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}
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static int test(int flags)
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{
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struct io_uring_params params = { .flags = flags, };
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struct io_uring ring;
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struct data d = { .ring = &ring, };
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pthread_t thread;
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void *res;
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int ret;
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ret = t_create_ring_params(8, &ring, ¶ms);
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if (ret == T_SETUP_SKIP)
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return 0;
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else if (ret != T_SETUP_OK)
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return 1;
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d.timer_fd1 = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
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if (d.timer_fd1 < 0) {
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perror("timerfd_create");
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return 1;
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}
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d.timer_fd2 = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
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if (d.timer_fd2 < 0) {
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perror("timerfd_create");
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return 1;
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}
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pthread_create(&thread, NULL, submit, &d);
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pthread_join(thread, &res);
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/** Wait for completions and do stuff ... **/
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io_uring_queue_exit(&ring);
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close(d.timer_fd1);
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close(d.timer_fd2);
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return !!res;
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}
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int main(int argc, char *argv[])
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{
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int ret, i;
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for (i = 0; i < 1000; i++) {
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ret = test(0);
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if (ret) {
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fprintf(stderr, "Test failed\n");
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return ret;
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}
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}
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for (i = 0; i < 1000; i++) {
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ret = test(IORING_SETUP_IOPOLL);
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if (ret) {
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fprintf(stderr, "Test IOPOLL failed\n");
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return ret;
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}
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}
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for (i = 0; i < 100; i++) {
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ret = test(IORING_SETUP_SQPOLL);
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if (ret) {
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fprintf(stderr, "Test SQPOLL failed\n");
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return ret;
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}
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}
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return 0;
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}
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