85 lines
1.5 KiB
C
85 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: test wq sharing
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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 "liburing.h"
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static int test_attach_invalid(int ringfd)
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{
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struct io_uring_params p;
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struct io_uring ring;
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int ret;
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memset(&p, 0, sizeof(p));
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p.flags = IORING_SETUP_ATTACH_WQ;
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p.wq_fd = ringfd;
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ret = io_uring_queue_init_params(1, &ring, &p);
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if (ret != -EINVAL) {
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fprintf(stderr, "Attach to zero: %d\n", ret);
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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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static int test_attach(int ringfd)
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{
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struct io_uring_params p;
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struct io_uring ring2;
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int ret;
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memset(&p, 0, sizeof(p));
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p.flags = IORING_SETUP_ATTACH_WQ;
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p.wq_fd = ringfd;
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ret = io_uring_queue_init_params(1, &ring2, &p);
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if (ret == -EINVAL) {
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fprintf(stdout, "Sharing not supported, skipping\n");
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return 0;
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} else if (ret) {
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fprintf(stderr, "Attach to id: %d\n", ret);
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goto err;
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}
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io_uring_queue_exit(&ring2);
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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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int main(int argc, char *argv[])
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{
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struct io_uring ring;
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int ret;
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if (argc > 1)
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return 0;
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ret = io_uring_queue_init(8, &ring, 0);
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if (ret) {
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fprintf(stderr, "ring setup failed\n");
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return 1;
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}
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/* stdout is definitely not an io_uring descriptor */
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ret = test_attach_invalid(2);
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if (ret) {
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fprintf(stderr, "test_attach_invalid failed\n");
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return ret;
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}
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ret = test_attach(ring.ring_fd);
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if (ret) {
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fprintf(stderr, "test_attach failed\n");
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return ret;
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}
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return 0;
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}
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