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/* SPDX-License-Identifier: MIT */
/*
* Description: test that a defer task_work file with tags unregistration
* doesn't trigger a lockdep violation
*
*/
#include <stdio.h>
#include <inttypes.h>
#include <stdlib.h>
#include <unistd.h>
#include "liburing.h"
#include "helpers.h"
int main(int argc, char *argv[])
{
__u64 tags[2] = { 1, 2 };
struct io_uring ring;
int fds[2], ret;
if (argc > 1)
return T_EXIT_SKIP;
if (pipe(fds) < 0) {
perror("pipe");
return 1;
}
ret = io_uring_queue_init(4, &ring, IORING_SETUP_SINGLE_ISSUER|IORING_SETUP_DEFER_TASKRUN);
if (ret == -EINVAL) {
return T_EXIT_SKIP;
} else if (ret < 0) {
fprintf(stderr, "queue_init: %d\n", ret);
return T_EXIT_FAIL;
}
ret = io_uring_register_files_tags(&ring, fds, tags, 2);
if (ret == -EINVAL) {
return T_EXIT_SKIP;
} else if (ret < 0) {
fprintf(stderr, "file_register_init: %d\n", ret);
return T_EXIT_FAIL;
}
io_uring_queue_exit(&ring);
sleep(1);
return 0;
}
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