mirror of
https://github.com/openharmony/third_party_liburing.git
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ohci1
4b8f3098a5
Co-authored-by: Pavel Begunkov<asml.silence@gmail.com> Co-authored-by: Guillem Jover<guillem@hadrons.org> Co-authored-by: Jens Axboe<axboe@kernel.dk> Co-authored-by: Khem Raj<raj.khem@gmail.com> Co-authored-by: Michael de Lang<kingoipo@gmail.com> Co-authored-by: David Disseldorp<ddiss@suse.de> Co-authored-by: Ming Lei<ming.lei@redhat.com>
102 lines
2.1 KiB
C
102 lines
2.1 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Description: tests bug fixed in
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* "io_uring: don't gate task_work run on TIF_NOTIFY_SIGNAL"
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*
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* See: https://github.com/axboe/liburing/issues/665
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "helpers.h"
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#include "liburing.h"
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#define CHECK(x) \
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do { \
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if (!(x)) { \
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fprintf(stderr, "%s:%d %s failed\n", __FILE__, __LINE__, #x); \
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return -1; \
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} \
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} while (0)
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static int pipe_bug(void)
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{
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struct io_uring ring;
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struct io_uring_sqe *sqe;
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struct io_uring_cqe *cqe;
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char buf[1024];
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int ret, fds[2];
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struct __kernel_timespec to = {
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.tv_sec = 1
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};
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ret = io_uring_queue_init(8, &ring, 0);
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/* can hit -ENOMEM due to repeated ring creation and teardowns */
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if (ret == -ENOMEM) {
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usleep(1000);
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return 0;
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} else if (ret) {
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fprintf(stderr, "ring_init: %d\n", ret);
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return 1;
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}
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CHECK(pipe(fds) == 0);
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/* WRITE */
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sqe = io_uring_get_sqe(&ring);
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CHECK(sqe);
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io_uring_prep_write(sqe, fds[1], "foobar", strlen("foobar"), 0); /* or -1 */
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CHECK(io_uring_submit(&ring) == 1);
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CHECK(io_uring_wait_cqe(&ring, &cqe) == 0);
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io_uring_cqe_seen(&ring, cqe);
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/* CLOSE */
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sqe = io_uring_get_sqe(&ring);
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CHECK(sqe);
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io_uring_prep_close(sqe, fds[1]);
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CHECK(io_uring_submit(&ring) == 1);
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CHECK(io_uring_wait_cqe_timeout(&ring, &cqe, &to) == 0);
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io_uring_cqe_seen(&ring, cqe);
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/* READ */
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sqe = io_uring_get_sqe(&ring);
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CHECK(sqe);
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io_uring_prep_read(sqe, fds[0], buf, sizeof(buf), 0); /* or -1 */
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CHECK(io_uring_submit(&ring) == 1);
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CHECK(io_uring_wait_cqe_timeout(&ring, &cqe, &to) == 0);
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io_uring_cqe_seen(&ring, cqe);
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memset(buf, 0, sizeof(buf));
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/* READ */
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sqe = io_uring_get_sqe(&ring);
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CHECK(sqe);
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io_uring_prep_read(sqe, fds[0], buf, sizeof(buf), 0); /* or -1 */
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CHECK(io_uring_submit(&ring) == 1);
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CHECK(io_uring_wait_cqe_timeout(&ring, &cqe, &to) == 0);
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io_uring_cqe_seen(&ring, cqe);
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close(fds[0]);
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io_uring_queue_exit(&ring);
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return 0;
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}
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int main(int argc, char *argv[])
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{
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int i;
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if (argc > 1)
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return T_EXIT_SKIP;
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for (i = 0; i < 10000; i++) {
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if (pipe_bug())
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return T_EXIT_FAIL;
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}
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return T_EXIT_PASS;
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}
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