1344 lines
28 KiB
C
1344 lines
28 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: run various timeout 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/time.h>
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#include "liburing.h"
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#include "../src/syscall.h"
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#define TIMEOUT_MSEC 200
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static int not_supported;
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static int no_modify;
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static void msec_to_ts(struct __kernel_timespec *ts, unsigned int msec)
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{
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ts->tv_sec = msec / 1000;
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ts->tv_nsec = (msec % 1000) * 1000000;
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}
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static unsigned long long mtime_since(const struct timeval *s,
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const struct timeval *e)
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{
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long long sec, usec;
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sec = e->tv_sec - s->tv_sec;
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usec = (e->tv_usec - s->tv_usec);
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if (sec > 0 && usec < 0) {
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sec--;
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usec += 1000000;
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}
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sec *= 1000;
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usec /= 1000;
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return sec + usec;
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}
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static unsigned long long mtime_since_now(struct timeval *tv)
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{
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struct timeval end;
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gettimeofday(&end, NULL);
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return mtime_since(tv, &end);
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}
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/*
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* Test that we return to userspace if a timeout triggers, even if we
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* don't satisfy the number of events asked for.
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*/
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static int test_single_timeout_many(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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unsigned long long exp;
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struct __kernel_timespec ts;
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struct timeval tv;
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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, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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msec_to_ts(&ts, TIMEOUT_MSEC);
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io_uring_prep_timeout(sqe, &ts, 0, 0);
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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gettimeofday(&tv, NULL);
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ret = __sys_io_uring_enter(ring->ring_fd, 0, 4, IORING_ENTER_GETEVENTS,
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NULL);
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if (ret < 0) {
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fprintf(stderr, "%s: io_uring_enter %d\n", __FUNCTION__, 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, "%s: wait completion %d\n", __FUNCTION__, ret);
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goto err;
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}
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ret = cqe->res;
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io_uring_cqe_seen(ring, cqe);
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if (ret == -EINVAL) {
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fprintf(stdout, "Timeout not supported, ignored\n");
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not_supported = 1;
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return 0;
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} else if (ret != -ETIME) {
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fprintf(stderr, "Timeout: %s\n", strerror(-ret));
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goto err;
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}
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exp = mtime_since_now(&tv);
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if (exp >= TIMEOUT_MSEC / 2 && exp <= (TIMEOUT_MSEC * 3) / 2)
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return 0;
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fprintf(stderr, "%s: Timeout seems wonky (got %llu)\n", __FUNCTION__, exp);
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err:
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return 1;
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}
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/*
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* Test numbered trigger of timeout
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*/
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static int test_single_timeout_nr(struct io_uring *ring, int nr)
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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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struct __kernel_timespec ts;
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int i, ret;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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msec_to_ts(&ts, TIMEOUT_MSEC);
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io_uring_prep_timeout(sqe, &ts, nr, 0);
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sqe = io_uring_get_sqe(ring);
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io_uring_prep_nop(sqe);
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io_uring_sqe_set_data(sqe, (void *) 1);
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sqe = io_uring_get_sqe(ring);
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io_uring_prep_nop(sqe);
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io_uring_sqe_set_data(sqe, (void *) 1);
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ret = io_uring_submit_and_wait(ring, 3);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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i = 0;
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while (i < 3) {
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
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goto err;
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}
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ret = cqe->res;
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/*
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* NOP commands have user_data as 1. Check that we get the
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* at least 'nr' NOPs first, then the successfully removed timout.
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*/
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if (io_uring_cqe_get_data(cqe) == NULL) {
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if (i < nr) {
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fprintf(stderr, "%s: timeout received too early\n", __FUNCTION__);
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goto err;
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}
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if (ret) {
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fprintf(stderr, "%s: timeout triggered by passage of"
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" time, not by events completed\n", __FUNCTION__);
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goto err;
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}
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}
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io_uring_cqe_seen(ring, cqe);
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if (ret) {
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fprintf(stderr, "res: %d\n", ret);
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goto err;
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}
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i++;
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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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static int test_single_timeout_wait(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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struct __kernel_timespec ts;
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int i, ret;
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sqe = io_uring_get_sqe(ring);
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io_uring_prep_nop(sqe);
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io_uring_sqe_set_data(sqe, (void *) 1);
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sqe = io_uring_get_sqe(ring);
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io_uring_prep_nop(sqe);
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io_uring_sqe_set_data(sqe, (void *) 1);
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msec_to_ts(&ts, 1000);
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i = 0;
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do {
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ret = io_uring_wait_cqes(ring, &cqe, 2, &ts, NULL);
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if (ret == -ETIME)
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break;
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if (ret < 0) {
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fprintf(stderr, "%s: wait timeout failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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ret = cqe->res;
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io_uring_cqe_seen(ring, cqe);
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if (ret < 0) {
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fprintf(stderr, "res: %d\n", ret);
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goto err;
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}
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i++;
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} while (1);
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if (i != 2) {
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fprintf(stderr, "got %d completions\n", i);
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goto err;
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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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/*
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* Test single timeout waking us up
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*/
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static int test_single_timeout(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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unsigned long long exp;
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struct __kernel_timespec ts;
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struct timeval tv;
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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, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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msec_to_ts(&ts, TIMEOUT_MSEC);
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io_uring_prep_timeout(sqe, &ts, 0, 0);
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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gettimeofday(&tv, NULL);
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
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goto err;
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}
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ret = cqe->res;
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io_uring_cqe_seen(ring, cqe);
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if (ret == -EINVAL) {
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fprintf(stdout, "%s: Timeout not supported, ignored\n", __FUNCTION__);
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not_supported = 1;
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return 0;
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} else if (ret != -ETIME) {
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fprintf(stderr, "%s: Timeout: %s\n", __FUNCTION__, strerror(-ret));
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goto err;
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}
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exp = mtime_since_now(&tv);
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if (exp >= TIMEOUT_MSEC / 2 && exp <= (TIMEOUT_MSEC * 3) / 2)
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return 0;
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fprintf(stderr, "%s: Timeout seems wonky (got %llu)\n", __FUNCTION__, exp);
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err:
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return 1;
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}
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static int test_single_timeout_remove_notfound(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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struct __kernel_timespec ts;
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int ret, i;
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if (no_modify)
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return 0;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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msec_to_ts(&ts, TIMEOUT_MSEC);
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io_uring_prep_timeout(sqe, &ts, 2, 0);
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sqe->user_data = 1;
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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io_uring_prep_timeout_remove(sqe, 2, 0);
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sqe->user_data = 2;
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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/*
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* We should get two completions. One is our modify request, which should
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* complete with -ENOENT. The other is the timeout that will trigger after
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* TIMEOUT_MSEC.
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*/
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for (i = 0; i < 2; 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, "%s: wait completion %d\n", __FUNCTION__, ret);
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goto err;
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}
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if (cqe->user_data == 2) {
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if (cqe->res != -ENOENT) {
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fprintf(stderr, "%s: modify ret %d, wanted ENOENT\n", __FUNCTION__, cqe->res);
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break;
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}
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} else if (cqe->user_data == 1) {
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if (cqe->res != -ETIME) {
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fprintf(stderr, "%s: timeout ret %d, wanted -ETIME\n", __FUNCTION__, cqe->res);
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break;
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}
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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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static int test_single_timeout_remove(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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struct __kernel_timespec ts;
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int ret, i;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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msec_to_ts(&ts, TIMEOUT_MSEC);
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io_uring_prep_timeout(sqe, &ts, 0, 0);
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sqe->user_data = 1;
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
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goto err;
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}
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io_uring_prep_timeout_remove(sqe, 1, 0);
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sqe->user_data = 2;
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
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goto err;
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}
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|
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/*
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* We should have two completions ready. One is for the original timeout
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* request, user_data == 1, that should have a ret of -ECANCELED. The other
|
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* is for our modify request, user_data == 2, that should have a ret of 0.
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*/
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for (i = 0; i < 2; 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, "%s: wait completion %d\n", __FUNCTION__, ret);
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goto err;
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}
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if (no_modify)
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goto seen;
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if (cqe->res == -EINVAL && cqe->user_data == 2) {
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fprintf(stdout, "Timeout modify not supported, ignoring\n");
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no_modify = 1;
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goto seen;
|
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}
|
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if (cqe->user_data == 1) {
|
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if (cqe->res != -ECANCELED) {
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fprintf(stderr, "%s: timeout ret %d, wanted canceled\n", __FUNCTION__, cqe->res);
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break;
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}
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} else if (cqe->user_data == 2) {
|
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if (cqe->res) {
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fprintf(stderr, "%s: modify ret %d, wanted 0\n", __FUNCTION__, cqe->res);
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break;
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}
|
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}
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seen:
|
|
io_uring_cqe_seen(ring, cqe);
|
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}
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return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test single absolute timeout waking us up
|
|
*/
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|
static int test_single_timeout_abs(struct io_uring *ring)
|
|
{
|
|
struct io_uring_cqe *cqe;
|
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struct io_uring_sqe *sqe;
|
|
unsigned long long exp;
|
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struct __kernel_timespec ts;
|
|
struct timespec abs_ts;
|
|
struct timeval tv;
|
|
int ret;
|
|
|
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sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &abs_ts);
|
|
ts.tv_sec = abs_ts.tv_sec + 1;
|
|
ts.tv_nsec = abs_ts.tv_nsec;
|
|
io_uring_prep_timeout(sqe, &ts, 0, IORING_TIMEOUT_ABS);
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
gettimeofday(&tv, NULL);
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
ret = cqe->res;
|
|
io_uring_cqe_seen(ring, cqe);
|
|
if (ret == -EINVAL) {
|
|
fprintf(stdout, "Absolute timeouts not supported, ignored\n");
|
|
return 0;
|
|
} else if (ret != -ETIME) {
|
|
fprintf(stderr, "Timeout: %s\n", strerror(-ret));
|
|
goto err;
|
|
}
|
|
|
|
exp = mtime_since_now(&tv);
|
|
if (exp >= 1000 / 2 && exp <= (1000 * 3) / 2)
|
|
return 0;
|
|
fprintf(stderr, "%s: Timeout seems wonky (got %llu)\n", __FUNCTION__, exp);
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test that timeout is canceled on exit
|
|
*/
|
|
static int test_single_timeout_exit(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct __kernel_timespec ts;
|
|
int ret;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
|
|
msec_to_ts(&ts, 30000);
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
io_uring_queue_exit(ring);
|
|
return 0;
|
|
err:
|
|
io_uring_queue_exit(ring);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test multi timeouts waking us up
|
|
*/
|
|
static int test_multi_timeout(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts[2];
|
|
unsigned int timeout[2];
|
|
unsigned long long exp;
|
|
struct timeval tv;
|
|
int ret, i;
|
|
|
|
/* req_1: timeout req, count = 1, time = (TIMEOUT_MSEC * 2) */
|
|
timeout[0] = TIMEOUT_MSEC * 2;
|
|
msec_to_ts(&ts[0], timeout[0]);
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts[0], 1, 0);
|
|
sqe->user_data = 1;
|
|
|
|
/* req_2: timeout req, count = 1, time = TIMEOUT_MSEC */
|
|
timeout[1] = TIMEOUT_MSEC;
|
|
msec_to_ts(&ts[1], timeout[1]);
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts[1], 1, 0);
|
|
sqe->user_data = 2;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
gettimeofday(&tv, NULL);
|
|
for (i = 0; i < 2; i++) {
|
|
unsigned int time;
|
|
__u64 user_data;
|
|
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
/*
|
|
* Both of these two reqs should timeout, but req_2 should
|
|
* return before req_1.
|
|
*/
|
|
switch (i) {
|
|
case 0:
|
|
user_data = 2;
|
|
time = timeout[1];
|
|
break;
|
|
case 1:
|
|
user_data = 1;
|
|
time = timeout[0];
|
|
break;
|
|
}
|
|
|
|
if (cqe->user_data != user_data) {
|
|
fprintf(stderr, "%s: unexpected timeout req %d sequece\n",
|
|
__FUNCTION__, i+1);
|
|
goto err;
|
|
}
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: Req %d timeout: %s\n",
|
|
__FUNCTION__, i+1, strerror(cqe->res));
|
|
goto err;
|
|
}
|
|
exp = mtime_since_now(&tv);
|
|
if (exp < time / 2 || exp > (time * 3) / 2) {
|
|
fprintf(stderr, "%s: Req %d timeout seems wonky (got %llu)\n",
|
|
__FUNCTION__, i+1, exp);
|
|
goto err;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test multi timeout req with different count
|
|
*/
|
|
static int test_multi_timeout_nr(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts;
|
|
int ret, i;
|
|
|
|
msec_to_ts(&ts, TIMEOUT_MSEC);
|
|
|
|
/* req_1: timeout req, count = 2 */
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 2, 0);
|
|
sqe->user_data = 1;
|
|
|
|
/* req_2: timeout req, count = 1 */
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 1, 0);
|
|
sqe->user_data = 2;
|
|
|
|
/* req_3: nop req */
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
io_uring_sqe_set_data(sqe, (void *) 1);
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
/*
|
|
* req_2 (count=1) should return without error and req_1 (count=2)
|
|
* should timeout.
|
|
*/
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
switch (i) {
|
|
case 0:
|
|
/* Should be nop req */
|
|
if (io_uring_cqe_get_data(cqe) != (void *) 1) {
|
|
fprintf(stderr, "%s: nop not seen as 1 or 2\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 1:
|
|
/* Should be timeout req_2 */
|
|
if (cqe->user_data != 2) {
|
|
fprintf(stderr, "%s: unexpected timeout req %d sequece\n",
|
|
__FUNCTION__, i+1);
|
|
goto err;
|
|
}
|
|
if (cqe->res < 0) {
|
|
fprintf(stderr, "%s: Req %d res %d\n",
|
|
__FUNCTION__, i+1, cqe->res);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
/* Should be timeout req_1 */
|
|
if (cqe->user_data != 1) {
|
|
fprintf(stderr, "%s: unexpected timeout req %d sequece\n",
|
|
__FUNCTION__, i+1);
|
|
goto err;
|
|
}
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: Req %d timeout: %s\n",
|
|
__FUNCTION__, i+1, strerror(cqe->res));
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test timeout <link> timeout <drain> timeout
|
|
*/
|
|
static int test_timeout_flags1(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts;
|
|
int ret, i;
|
|
|
|
msec_to_ts(&ts, TIMEOUT_MSEC);
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 1;
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 2;
|
|
sqe->flags |= IOSQE_IO_DRAIN;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 3;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
if (cqe->res == -EINVAL) {
|
|
if (!i)
|
|
fprintf(stdout, "%s: timeout flags not supported\n",
|
|
__FUNCTION__);
|
|
io_uring_cqe_seen(ring, cqe);
|
|
continue;
|
|
}
|
|
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -ETIME);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res,
|
|
-ECANCELED);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -ETIME);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test timeout <link> timeout <link> timeout
|
|
*/
|
|
static int test_timeout_flags2(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts;
|
|
int ret, i;
|
|
|
|
msec_to_ts(&ts, TIMEOUT_MSEC);
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 1;
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 2;
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 3;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
if (cqe->res == -EINVAL) {
|
|
if (!i)
|
|
fprintf(stdout, "%s: timeout flags not supported\n",
|
|
__FUNCTION__);
|
|
io_uring_cqe_seen(ring, cqe);
|
|
continue;
|
|
}
|
|
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -ETIME);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
case 3:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res,
|
|
-ECANCELED);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Test timeout <drain> timeout <link> timeout
|
|
*/
|
|
static int test_timeout_flags3(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts;
|
|
int ret, i;
|
|
|
|
msec_to_ts(&ts, TIMEOUT_MSEC);
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 1;
|
|
sqe->flags |= IOSQE_IO_DRAIN;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 2;
|
|
sqe->flags |= IOSQE_IO_LINK;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 3;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret <= 0) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
if (cqe->res == -EINVAL) {
|
|
if (!i)
|
|
fprintf(stdout, "%s: timeout flags not supported\n",
|
|
__FUNCTION__);
|
|
io_uring_cqe_seen(ring, cqe);
|
|
continue;
|
|
}
|
|
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
case 2:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -ETIME);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (cqe->res != -ECANCELED) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res,
|
|
-ECANCELED);
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_update_timeout(struct io_uring *ring, unsigned long ms,
|
|
bool abs, bool async, bool linked)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts, ts_upd;
|
|
unsigned long long exp_ms, base_ms = 10000;
|
|
struct timeval tv;
|
|
int ret, i, nr = 2;
|
|
__u32 mode = abs ? IORING_TIMEOUT_ABS : 0;
|
|
|
|
msec_to_ts(&ts_upd, ms);
|
|
gettimeofday(&tv, NULL);
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
msec_to_ts(&ts, base_ms);
|
|
io_uring_prep_timeout(sqe, &ts, 0, 0);
|
|
sqe->user_data = 1;
|
|
|
|
if (linked) {
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_nop(sqe);
|
|
sqe->user_data = 3;
|
|
sqe->flags = IOSQE_IO_LINK;
|
|
if (async)
|
|
sqe->flags |= IOSQE_ASYNC;
|
|
nr++;
|
|
}
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout_update(sqe, &ts_upd, 1, mode);
|
|
sqe->user_data = 2;
|
|
if (async)
|
|
sqe->flags |= IOSQE_ASYNC;
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != nr) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < nr; i++) {
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
switch (cqe->user_data) {
|
|
case 1:
|
|
if (cqe->res != -ETIME) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -ETIME);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (cqe->res != 0) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res,
|
|
0);
|
|
goto err;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (cqe->res != 0) {
|
|
fprintf(stderr, "nop failed\n");
|
|
goto err;
|
|
}
|
|
break;
|
|
default:
|
|
goto err;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
}
|
|
|
|
exp_ms = mtime_since_now(&tv);
|
|
if (exp_ms >= base_ms / 2) {
|
|
fprintf(stderr, "too long, timeout wasn't updated\n");
|
|
goto err;
|
|
}
|
|
if (ms >= 1000 && !abs && exp_ms < ms / 2) {
|
|
fprintf(stderr, "fired too early, potentially updated to 0 ms"
|
|
"instead of %lu\n", ms);
|
|
goto err;
|
|
}
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_update_nonexistent_timeout(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts;
|
|
int ret;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
msec_to_ts(&ts, 0);
|
|
io_uring_prep_timeout_update(sqe, &ts, 42, 0);
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 1) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
ret = cqe->res;
|
|
if (ret == -ENOENT)
|
|
ret = 0;
|
|
io_uring_cqe_seen(ring, cqe);
|
|
return ret;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
static int test_update_invalid_flags(struct io_uring *ring)
|
|
{
|
|
struct io_uring_sqe *sqe;
|
|
struct io_uring_cqe *cqe;
|
|
struct __kernel_timespec ts;
|
|
int ret;
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
io_uring_prep_timeout_remove(sqe, 0, IORING_TIMEOUT_ABS);
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 1) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
if (cqe->res != -EINVAL) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -EINVAL);
|
|
goto err;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
|
|
|
|
sqe = io_uring_get_sqe(ring);
|
|
if (!sqe) {
|
|
fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
|
|
goto err;
|
|
}
|
|
msec_to_ts(&ts, 0);
|
|
io_uring_prep_timeout_update(sqe, &ts, 0, -1);
|
|
|
|
ret = io_uring_submit(ring);
|
|
if (ret != 1) {
|
|
fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
|
|
ret = io_uring_wait_cqe(ring, &cqe);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
|
|
goto err;
|
|
}
|
|
if (cqe->res != -EINVAL) {
|
|
fprintf(stderr, "%s: got %d, wanted %d\n",
|
|
__FUNCTION__, cqe->res, -EINVAL);
|
|
goto err;
|
|
}
|
|
io_uring_cqe_seen(ring, cqe);
|
|
|
|
return 0;
|
|
err:
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct io_uring ring, sqpoll_ring;
|
|
bool has_timeout_update, sqpoll;
|
|
int ret;
|
|
|
|
if (argc > 1)
|
|
return 0;
|
|
|
|
ret = io_uring_queue_init(8, &ring, 0);
|
|
if (ret) {
|
|
fprintf(stderr, "ring setup failed\n");
|
|
return 1;
|
|
}
|
|
|
|
ret = io_uring_queue_init(8, &sqpoll_ring, IORING_SETUP_SQPOLL);
|
|
sqpoll = !ret;
|
|
|
|
ret = test_single_timeout(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout failed\n");
|
|
return ret;
|
|
}
|
|
if (not_supported)
|
|
return 0;
|
|
|
|
ret = test_multi_timeout(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_multi_timeout failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_timeout_abs(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_abs failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_timeout_remove(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_remove failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_timeout_remove_notfound(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_remove_notfound failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_timeout_many(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_many failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_timeout_nr(&ring, 1);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_nr(1) failed\n");
|
|
return ret;
|
|
}
|
|
ret = test_single_timeout_nr(&ring, 2);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_nr(2) failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_multi_timeout_nr(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_multi_timeout_nr failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_flags1(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_timeout_flags1 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_flags2(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_timeout_flags2 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_timeout_flags3(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_timeout_flags3 failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_single_timeout_wait(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_wait failed\n");
|
|
return ret;
|
|
}
|
|
|
|
/* io_uring_wait_cqes() may have left a timeout, reinit ring */
|
|
io_uring_queue_exit(&ring);
|
|
ret = io_uring_queue_init(8, &ring, 0);
|
|
if (ret) {
|
|
fprintf(stderr, "ring setup failed\n");
|
|
return 1;
|
|
}
|
|
|
|
ret = test_update_nonexistent_timeout(&ring);
|
|
has_timeout_update = (ret != -EINVAL);
|
|
if (has_timeout_update) {
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_nonexistent_timeout failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_update_invalid_flags(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_invalid_flags failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_update_timeout(&ring, 0, false, false, false);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_update_timeout(&ring, 1, false, false, false);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout 1ms failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_update_timeout(&ring, 1000, false, false, false);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout 1s failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_update_timeout(&ring, 0, true, true, false);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout abs failed\n");
|
|
return ret;
|
|
}
|
|
|
|
|
|
ret = test_update_timeout(&ring, 0, false, true, false);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout async failed\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = test_update_timeout(&ring, 0, false, false, true);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout linked failed\n");
|
|
return ret;
|
|
}
|
|
|
|
if (sqpoll) {
|
|
ret = test_update_timeout(&sqpoll_ring, 0, false, false,
|
|
false);
|
|
if (ret) {
|
|
fprintf(stderr, "test_update_timeout sqpoll"
|
|
"failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* this test must go last, it kills the ring
|
|
*/
|
|
ret = test_single_timeout_exit(&ring);
|
|
if (ret) {
|
|
fprintf(stderr, "test_single_timeout_exit failed\n");
|
|
return ret;
|
|
}
|
|
|
|
if (sqpoll)
|
|
io_uring_queue_exit(&sqpoll_ring);
|
|
return 0;
|
|
}
|