Add cross-link

1 files changed, 233 insertions, 0 deletions

diff --git a/contrib/libs/liburing/test/stdout.c b/contrib/libs/liburing/test/stdout.c
new file mode 100644
index 00000000000..02b0456955c
--- /dev/null
+++ b/contrib/libs/liburing/test/stdout.c
@@ -0,0 +1,233 @@
+#include "../config-host.h"
+/* SPDX-License-Identifier: MIT */
+/*
+ * Description: check that STDOUT write works
+ */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include "helpers.h"
+#include "liburing.h"
+
+static int test_pipe_io_fixed(struct io_uring *ring)
+{
+	const char str[] = "This is a fixed pipe test\n";
+	struct io_uring_cqe *cqe;
+	struct io_uring_sqe *sqe;
+	struct iovec vecs[2];
+	char buffer[128];
+	int i, ret, fds[2];
+
+	t_posix_memalign(&vecs[0].iov_base, 4096, 4096);
+	memcpy(vecs[0].iov_base, str, strlen(str));
+	vecs[0].iov_len = strlen(str);
+
+	if (pipe(fds) < 0) {
+		perror("pipe");
+		return 1;
+	}
+
+	ret = io_uring_register_buffers(ring, vecs, 1);
+	if (ret) {
+		fprintf(stderr, "Failed to register buffers: %d\n", ret);
+		return 1;
+	}
+
+	sqe = io_uring_get_sqe(ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		goto err;
+	}
+	io_uring_prep_write_fixed(sqe, fds[1], vecs[0].iov_base,
+					vecs[0].iov_len, 0, 0);
+	sqe->user_data = 1;
+
+	sqe = io_uring_get_sqe(ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		goto err;
+	}
+	vecs[1].iov_base = buffer;
+	vecs[1].iov_len = sizeof(buffer);
+	io_uring_prep_readv(sqe, fds[0], &vecs[1], 1, 0);
+	sqe->user_data = 2;
+
+	ret = io_uring_submit(ring);
+	if (ret < 0) {
+		fprintf(stderr, "sqe submit failed: %d\n", ret);
+		goto err;
+	} else if (ret != 2) {
+		fprintf(stderr, "Submitted only %d\n", ret);
+		goto err;
+	}
+
+	for (i = 0; i < 2; i++) {
+		ret = io_uring_wait_cqe(ring, &cqe);
+		if (ret < 0) {
+			fprintf(stderr, "wait completion %d\n", ret);
+			goto err;
+		}
+		if (cqe->res < 0) {
+			fprintf(stderr, "I/O write error on %lu: %s\n",
+					(unsigned long) cqe->user_data,
+					 strerror(-cqe->res));
+			goto err;
+		}
+		if (cqe->res != strlen(str)) {
+			fprintf(stderr, "Got %d bytes, wanted %d on %lu\n",
+					cqe->res, (int)strlen(str),
+					(unsigned long) cqe->user_data);
+			goto err;
+		}
+		if (cqe->user_data == 2 && memcmp(str, buffer, strlen(str))) {
+			fprintf(stderr, "read data mismatch\n");
+			goto err;
+		}
+		io_uring_cqe_seen(ring, cqe);
+	}
+	io_uring_unregister_buffers(ring);
+	return 0;
+err:
+	return 1;
+}
+
+static int test_stdout_io_fixed(struct io_uring *ring)
+{
+	const char str[] = "This is a fixed pipe test\n";
+	struct io_uring_cqe *cqe;
+	struct io_uring_sqe *sqe;
+	struct iovec vecs;
+	int ret;
+
+	t_posix_memalign(&vecs.iov_base, 4096, 4096);
+	memcpy(vecs.iov_base, str, strlen(str));
+	vecs.iov_len = strlen(str);
+
+	ret = io_uring_register_buffers(ring, &vecs, 1);
+	if (ret) {
+		fprintf(stderr, "Failed to register buffers: %d\n", ret);
+		return 1;
+	}
+
+	sqe = io_uring_get_sqe(ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		goto err;
+	}
+	io_uring_prep_write_fixed(sqe, STDOUT_FILENO, vecs.iov_base, vecs.iov_len, 0, 0);
+
+	ret = io_uring_submit(ring);
+	if (ret < 0) {
+		fprintf(stderr, "sqe submit failed: %d\n", ret);
+		goto err;
+	} else if (ret < 1) {
+		fprintf(stderr, "Submitted only %d\n", ret);
+		goto err;
+	}
+
+	ret = io_uring_wait_cqe(ring, &cqe);
+	if (ret < 0) {
+		fprintf(stderr, "wait completion %d\n", ret);
+		goto err;
+	}
+	if (cqe->res < 0) {
+		fprintf(stderr, "STDOUT write error: %s\n", strerror(-cqe->res));
+		goto err;
+	}
+	if (cqe->res != vecs.iov_len) {
+		fprintf(stderr, "Got %d write, wanted %d\n", cqe->res, (int)vecs.iov_len);
+		goto err;
+	}
+	io_uring_cqe_seen(ring, cqe);
+	io_uring_unregister_buffers(ring);
+	return 0;
+err:
+	return 1;
+}
+
+static int test_stdout_io(struct io_uring *ring)
+{
+	struct io_uring_cqe *cqe;
+	struct io_uring_sqe *sqe;
+	struct iovec vecs;
+	int ret;
+
+	vecs.iov_base = "This is a pipe test\n";
+	vecs.iov_len = strlen(vecs.iov_base);
+
+	sqe = io_uring_get_sqe(ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		goto err;
+	}
+	io_uring_prep_writev(sqe, STDOUT_FILENO, &vecs, 1, 0);
+
+	ret = io_uring_submit(ring);
+	if (ret < 0) {
+		fprintf(stderr, "sqe submit failed: %d\n", ret);
+		goto err;
+	} else if (ret < 1) {
+		fprintf(stderr, "Submitted only %d\n", ret);
+		goto err;
+	}
+
+	ret = io_uring_wait_cqe(ring, &cqe);
+	if (ret < 0) {
+		fprintf(stderr, "wait completion %d\n", ret);
+		goto err;
+	}
+	if (cqe->res < 0) {
+		fprintf(stderr, "STDOUT write error: %s\n",
+				strerror(-cqe->res));
+		goto err;
+	}
+	if (cqe->res != vecs.iov_len) {
+		fprintf(stderr, "Got %d write, wanted %d\n", cqe->res,
+				(int)vecs.iov_len);
+		goto err;
+	}
+	io_uring_cqe_seen(ring, cqe);
+
+	return 0;
+err:
+	return 1;
+}
+
+int main(int argc, char *argv[])
+{
+	struct io_uring ring;
+	int ret;
+
+	if (argc > 1)
+		return 0;
+
+	ret = io_uring_queue_init(8, &ring, 0);
+	if (ret) {
+		fprintf(stderr, "ring setup failed\n");
+		return 1;
+	}
+
+	ret = test_stdout_io(&ring);
+	if (ret) {
+		fprintf(stderr, "test_pipe_io failed\n");
+		return ret;
+	}
+
+	ret = test_stdout_io_fixed(&ring);
+	if (ret) {
+		fprintf(stderr, "test_pipe_io_fixed failed\n");
+		return ret;
+	}
+
+	ret = test_pipe_io_fixed(&ring);
+	if (ret) {
+		fprintf(stderr, "test_pipe_io_fixed failed\n");
+		return ret;
+	}
+
+	return 0;
+}