--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/test-pipe-getsockname.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,370 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef _WIN32
+# include <unistd.h>  /* close */
+#else
+# include <fcntl.h>
+#endif
+
+static uv_pipe_t pipe_client;
+static uv_pipe_t pipe_server;
+static uv_connect_t connect_req;
+
+static int pipe_close_cb_called = 0;
+static int pipe_client_connect_cb_called = 0;
+
+
+static void pipe_close_cb(uv_handle_t* handle) {
+  ASSERT_NE(handle == (uv_handle_t*) &pipe_client ||
+            handle == (uv_handle_t*) &pipe_server, 0);
+  pipe_close_cb_called++;
+}
+
+
+static void pipe_client_connect_cb(uv_connect_t* req, int status) {
+  char buf[1024];
+  size_t len;
+  int r;
+
+  ASSERT_PTR_EQ(req, &connect_req);
+  ASSERT_OK(status);
+
+  len = sizeof buf;
+  r = uv_pipe_getpeername(&pipe_client, buf, &len);
+  ASSERT_OK(r);
+
+  if (*buf == '\0') {  /* Linux abstract socket. */
+    const char expected[] = "\0" TEST_PIPENAME "\0";
+    ASSERT_EQ(len, sizeof(expected) - 1);
+    ASSERT_MEM_EQ(buf, expected, len);
+  } else {
+    ASSERT_NE(0, buf[len - 1]);
+    ASSERT_MEM_EQ(buf, TEST_PIPENAME, len);
+  }
+
+  len = sizeof buf;
+  r = uv_pipe_getsockname(&pipe_client, buf, &len);
+  ASSERT(r == 0 && len == 0);
+
+  pipe_client_connect_cb_called++;
+
+  uv_close((uv_handle_t*) &pipe_client, pipe_close_cb);
+  uv_close((uv_handle_t*) &pipe_server, pipe_close_cb);
+}
+
+
+#if defined(__linux__)
+/* Socket name looks like \0[0-9a-f]{5}, e.g. "\0bad42" */
+static void check_is_autobind_abstract_socket_name(const char *p, size_t len) {
+  ASSERT_EQ(len, 6);
+  ASSERT_EQ(*p, '\0');
+
+  while (*p != '\0') {
+    ASSERT((*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f'));
+    p++;
+  }
+}
+
+
+static void pipe_client_autobind_connect_cb(uv_connect_t* req, int status) {
+  char buf[16];
+  size_t len;
+
+  ASSERT_OK(status);
+  len = 5;
+  ASSERT_EQ(UV_ENOBUFS, uv_pipe_getpeername(&pipe_client, buf, &len));
+  len = 6;
+  ASSERT_OK(uv_pipe_getpeername(&pipe_client, buf, &len));
+  check_is_autobind_abstract_socket_name(buf, len);
+  pipe_client_connect_cb_called++;
+  uv_close((uv_handle_t*) &pipe_client, pipe_close_cb);
+  uv_close((uv_handle_t*) &pipe_server, pipe_close_cb);
+}
+#endif  /* defined(__linux__) */
+
+
+static void pipe_server_connection_cb(uv_stream_t* handle, int status) {
+  /* This function *may* be called, depending on whether accept or the
+   * connection callback is called first.
+   */
+  ASSERT_OK(status);
+}
+
+
+TEST_IMPL(pipe_getsockname) {
+#if defined(NO_SELF_CONNECT)
+  RETURN_SKIP(NO_SELF_CONNECT);
+#endif
+  uv_loop_t* loop;
+  char namebuf[256];
+  char buf[1024];
+  size_t namelen;
+  size_t len;
+  int r;
+
+  snprintf(namebuf, sizeof(namebuf), "%s-oob", TEST_PIPENAME);
+  namelen = sizeof(TEST_PIPENAME) - 1;
+
+  loop = uv_default_loop();
+  ASSERT_NOT_NULL(loop);
+
+  r = uv_pipe_init(loop, &pipe_server, 0);
+  ASSERT_OK(r);
+
+  r = uv_pipe_bind2(&pipe_server, "bad\0path", 8, 0);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  len = sizeof buf;
+  r = uv_pipe_getsockname(&pipe_server, buf, &len);
+  ASSERT_EQ(r, UV_EBADF);
+
+  len = sizeof buf;
+  r = uv_pipe_getpeername(&pipe_server, buf, &len);
+  ASSERT_EQ(r, UV_EBADF);
+
+  r = uv_pipe_bind2(&pipe_server, namebuf, namelen, 0);
+  ASSERT_OK(r);
+
+#ifndef _WIN32
+  ASSERT_STR_EQ(pipe_server.pipe_fname, TEST_PIPENAME);
+#endif
+
+  r = uv_pipe_getsockname(&pipe_server, NULL, &len);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  r = uv_pipe_getsockname(&pipe_server, buf, NULL);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  r = uv_pipe_getsockname(&pipe_server, NULL, NULL);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  len = sizeof(TEST_PIPENAME) - 1;
+  ASSERT_EQ(UV_ENOBUFS, uv_pipe_getsockname(&pipe_server, buf, &len));
+
+  len = sizeof(TEST_PIPENAME);
+  ASSERT_OK(uv_pipe_getsockname(&pipe_server, buf, &len));
+
+  ASSERT_NE(0, buf[len - 1]);
+  ASSERT_EQ(buf[len], '\0');
+  ASSERT_OK(memcmp(buf, TEST_PIPENAME, len));
+
+  len = sizeof buf;
+  r = uv_pipe_getpeername(&pipe_server, buf, &len);
+  ASSERT_EQ(r, UV_ENOTCONN);
+
+  r = uv_listen((uv_stream_t*) &pipe_server, 0, pipe_server_connection_cb);
+  ASSERT_OK(r);
+
+  r = uv_pipe_init(loop, &pipe_client, 0);
+  ASSERT_OK(r);
+
+  len = sizeof buf;
+  r = uv_pipe_getsockname(&pipe_client, buf, &len);
+  ASSERT_EQ(r, UV_EBADF);
+
+  len = sizeof buf;
+  r = uv_pipe_getpeername(&pipe_client, buf, &len);
+  ASSERT_EQ(r, UV_EBADF);
+
+  r = uv_pipe_connect2(&connect_req,
+                       &pipe_client,
+                       namebuf,
+                       namelen,
+                       0,
+                       pipe_client_connect_cb);
+  ASSERT_OK(r);
+
+  len = sizeof buf;
+  r = uv_pipe_getsockname(&pipe_client, buf, &len);
+  ASSERT_EQ(r, 0);
+  ASSERT_EQ(len, 0);
+
+  len = sizeof buf;
+  r = uv_pipe_getpeername(&pipe_client, buf, &len);
+  ASSERT_OK(r);
+
+  ASSERT_NE(0, buf[len - 1]);
+  ASSERT_OK(memcmp(buf, TEST_PIPENAME, len));
+
+  r = uv_run(loop, UV_RUN_DEFAULT);
+  ASSERT_OK(r);
+  ASSERT_EQ(1, pipe_client_connect_cb_called);
+  ASSERT_EQ(2, pipe_close_cb_called);
+
+  MAKE_VALGRIND_HAPPY(loop);
+  return 0;
+}
+
+
+TEST_IMPL(pipe_getsockname_abstract) {
+  /* TODO(bnoordhuis) Use unique name, susceptible to concurrent test runs. */
+  static const char name[] = "\0" TEST_PIPENAME "\0";
+#if defined(__linux__)
+  char buf[256];
+  size_t buflen;
+
+  buflen = sizeof(buf);
+  memset(buf, 0, sizeof(buf));
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_server, 0));
+  ASSERT_OK(uv_pipe_bind2(&pipe_server, name, sizeof(name) - 1, 0));
+  ASSERT_OK(uv_pipe_getsockname(&pipe_server, buf, &buflen));
+  ASSERT_UINT64_EQ(sizeof(name) - 1, buflen);
+  ASSERT_MEM_EQ(name, buf, buflen);
+  ASSERT_OK(uv_listen((uv_stream_t*) &pipe_server,
+                      0,
+                      pipe_server_connection_cb));
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_client, 0));
+  ASSERT_OK(uv_pipe_connect2(&connect_req,
+                             &pipe_client,
+                             name,
+                             sizeof(name) - 1,
+                             0,
+                             pipe_client_connect_cb));
+  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+  ASSERT_EQ(1, pipe_client_connect_cb_called);
+  ASSERT_EQ(2, pipe_close_cb_called);
+  MAKE_VALGRIND_HAPPY(uv_default_loop());
+  return 0;
+#else
+  /* On other platforms it should simply fail with UV_EINVAL. */
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_server, 0));
+  ASSERT_EQ(UV_EINVAL, uv_pipe_bind2(&pipe_server, name, sizeof(name), 0));
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_client, 0));
+  uv_close((uv_handle_t*) &pipe_server, pipe_close_cb);
+  ASSERT_EQ(UV_EINVAL, uv_pipe_connect2(&connect_req,
+                                        &pipe_client,
+                                        name,
+                                        sizeof(name),
+                                        0,
+                                        (uv_connect_cb) abort));
+  uv_close((uv_handle_t*) &pipe_client, pipe_close_cb);
+  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+  ASSERT_EQ(2, pipe_close_cb_called);
+  MAKE_VALGRIND_HAPPY(uv_default_loop());
+  return 0;
+#endif
+}
+
+
+TEST_IMPL(pipe_getsockname_autobind) {
+#if defined(__linux__)
+  char buf[256];
+  size_t buflen;
+
+  buflen = sizeof(buf);
+  memset(buf, 0, sizeof(buf));
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_server, 0));
+  ASSERT_OK(uv_pipe_bind2(&pipe_server, "", 0, 0));
+  ASSERT_OK(uv_pipe_getsockname(&pipe_server, buf, &buflen));
+  check_is_autobind_abstract_socket_name(buf, buflen);
+  ASSERT_OK(uv_listen((uv_stream_t*) &pipe_server, 0,
+                      pipe_server_connection_cb));
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_client, 0));
+  ASSERT_OK(uv_pipe_connect2(&connect_req, &pipe_client,
+                             buf,
+                             1 + strlen(&buf[1]),
+                             0,
+                             pipe_client_autobind_connect_cb));
+  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+  ASSERT_EQ(1, pipe_client_connect_cb_called);
+  ASSERT_EQ(2, pipe_close_cb_called);
+  MAKE_VALGRIND_HAPPY(uv_default_loop());
+  return 0;
+#else
+  /* On other platforms it should simply fail with UV_EINVAL. */
+  ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_server, 0));
+  ASSERT_EQ(UV_EINVAL, uv_pipe_bind2(&pipe_server, "", 0, 0));
+  uv_close((uv_handle_t*) &pipe_server, pipe_close_cb);
+  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+  ASSERT_EQ(1, pipe_close_cb_called);
+  MAKE_VALGRIND_HAPPY(uv_default_loop());
+  return 0;
+#endif
+}
+
+
+TEST_IMPL(pipe_getsockname_blocking) {
+#ifdef _WIN32
+  HANDLE readh, writeh;
+  int readfd;
+  char buf1[1024], buf2[1024];
+  size_t len1, len2;
+  int r;
+
+  r = CreatePipe(&readh, &writeh, NULL, 65536);
+  ASSERT(r);
+
+  r = uv_pipe_init(uv_default_loop(), &pipe_client, 0);
+  ASSERT_OK(r);
+  readfd = _open_osfhandle((intptr_t)readh, _O_RDONLY);
+  ASSERT_NE(r, -1);
+  r = uv_pipe_open(&pipe_client, readfd);
+  ASSERT_OK(r);
+  r = uv_read_start((uv_stream_t*) &pipe_client,
+                    (uv_alloc_cb) abort,
+                    (uv_read_cb) abort);
+  ASSERT_OK(r);
+  Sleep(100);
+  r = uv_read_stop((uv_stream_t*)&pipe_client);
+  ASSERT_OK(r);
+
+  len1 = sizeof buf1;
+  r = uv_pipe_getsockname(&pipe_client, buf1, &len1);
+  ASSERT_OK(r);
+  ASSERT_OK(len1);  /* It's an annonymous pipe. */
+
+  r = uv_read_start((uv_stream_t*)&pipe_client,
+                    (uv_alloc_cb) abort,
+                    (uv_read_cb) abort);
+  ASSERT_OK(r);
+  Sleep(100);
+
+  len2 = sizeof buf2;
+  r = uv_pipe_getsockname(&pipe_client, buf2, &len2);
+  ASSERT_OK(r);
+  ASSERT_OK(len2);  /* It's an annonymous pipe. */
+
+  r = uv_read_stop((uv_stream_t*)&pipe_client);
+  ASSERT_OK(r);
+
+  ASSERT_EQ(len1, len2);
+  ASSERT_OK(memcmp(buf1, buf2, len1));
+
+  pipe_close_cb_called = 0;
+  uv_close((uv_handle_t*)&pipe_client, pipe_close_cb);
+
+  uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+
+  ASSERT_EQ(1, pipe_close_cb_called);
+
+  CloseHandle(writeh);
+#endif
+
+  MAKE_VALGRIND_HAPPY(uv_default_loop());
+  return 0;
+}