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/* SPDX-License-Identifier: MIT */
/*
* Test if entering with nothing to submit/wait for SQPOLL returns an error.
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "liburing.h"
#include "helpers.h"
#include "../src/syscall.h"
int main(int argc, char *argv[])
{
struct io_uring_params p = {};
struct io_uring ring;
int ret;
if (argc > 1)
return 0;
p.flags = IORING_SETUP_SQPOLL;
p.sq_thread_idle = 100;
ret = t_create_ring_params(1, &ring, &p);
if (ret == T_SETUP_SKIP)
return 0;
else if (ret < 0)
goto err;
ret = __sys_io_uring_enter(ring.ring_fd, 0, 0, 0, NULL);
if (ret < 0) {
int __e = errno;
if (__e == EOWNERDEAD)
fprintf(stderr, "sqe submit unexpected failure due old kernel bug: %s\n", strerror(__e));
else
fprintf(stderr, "sqe submit unexpected failure: %s\n", strerror(__e));
goto err;
}
return 0;
err:
return 1;
}
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