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#include "../config-host.h"
/* SPDX-License-Identifier: MIT */
/*
* Description: Test that io_uring_submit_and_wait_timeout() returns the
* right value (submit count) and that it doesn't end up waiting twice.
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/time.h>
#include "liburing.h"
#include "test.h"
static unsigned long long mtime_since(const struct timeval *s,
const struct timeval *e)
{
long long sec, usec;
sec = e->tv_sec - s->tv_sec;
usec = (e->tv_usec - s->tv_usec);
if (sec > 0 && usec < 0) {
sec--;
usec += 1000000;
}
sec *= 1000;
usec /= 1000;
return sec + usec;
}
static unsigned long long mtime_since_now(struct timeval *tv)
{
struct timeval end;
gettimeofday(&end, NULL);
return mtime_since(tv, &end);
}
static int test(struct io_uring *ring)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
struct __kernel_timespec ts;
struct timeval tv;
int ret, i;
for (i = 0; i < 1; i++) {
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed at %d\n", i);
goto err;
}
io_uring_prep_nop(sqe);
}
ts.tv_sec = 1;
ts.tv_nsec = 0;
gettimeofday(&tv, NULL);
ret = io_uring_submit_and_wait_timeout(ring, &cqe, 2, &ts, NULL);
if (ret < 0) {
fprintf(stderr, "submit_and_wait_timeout: %d\n", ret);
goto err;
}
ret = mtime_since_now(&tv);
/* allow some slack, should be around 1s */
if (ret > 1200) {
fprintf(stderr, "wait took too long: %d\n", ret);
goto err;
}
return 0;
err:
return 1;
}
static int test_ring(void)
{
struct io_uring ring;
struct io_uring_params p = { };
int ret;
p.flags = 0;
ret = io_uring_queue_init_params(8, &ring, &p);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return 1;
}
ret = test(&ring);
if (ret) {
fprintf(stderr, "test failed\n");
goto err;
}
err:
io_uring_queue_exit(&ring);
return ret;
}
int main(int argc, char *argv[])
{
if (argc > 1)
return 0;
return test_ring();
}
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