66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
/* SPDX-License-Identifier: MIT */
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <stdlib.h>
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#include "liburing.h"
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#include "helpers.h"
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static void sig_alrm(int sig)
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{
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fprintf(stderr, "Timed out!\n");
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exit(1);
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}
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int main(int argc, char *argv[])
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{
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struct io_uring_sqe *sqe;
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struct io_uring_cqe *cqe;
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struct io_uring_params p;
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struct io_uring ring;
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int ret, data;
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if (argc > 1)
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return 0;
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signal(SIGALRM, sig_alrm);
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memset(&p, 0, sizeof(p));
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p.sq_thread_idle = 100;
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p.flags = IORING_SETUP_SQPOLL;
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ret = t_create_ring_params(4, &ring, &p);
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if (ret == T_SETUP_SKIP)
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return 0;
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else if (ret < 0)
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return 1;
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/* make sure sq thread is sleeping at this point */
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usleep(150000);
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alarm(1);
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sqe = io_uring_get_sqe(&ring);
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if (!sqe) {
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fprintf(stderr, "sqe get failed\n");
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return 1;
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}
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io_uring_prep_nop(sqe);
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io_uring_sqe_set_data(sqe, (void *) (unsigned long) 42);
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io_uring_submit_and_wait(&ring, 1);
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ret = io_uring_peek_cqe(&ring, &cqe);
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if (ret) {
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fprintf(stderr, "cqe get failed\n");
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return 1;
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}
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data = (unsigned long) io_uring_cqe_get_data(cqe);
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if (data != 42) {
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fprintf(stderr, "invalid data: %d\n", data);
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return 1;
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}
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return 0;
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}
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