--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/test-uname.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,69 @@
+/* Copyright libuv project 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 <string.h>
+
+#ifndef _WIN32
+# include <sys/utsname.h>
+#endif
+
+TEST_IMPL(uname) {
+#ifndef _WIN32
+  struct utsname buf;
+#endif
+#ifdef _AIX
+  char temp[256];
+#endif
+  uv_utsname_t buffer;
+  int r;
+
+  /* Verify that NULL is handled properly. */
+  r = uv_os_uname(NULL);
+  ASSERT_EQ(r, UV_EINVAL);
+
+  /* Verify the happy path. */
+  r = uv_os_uname(&buffer);
+  ASSERT_OK(r);
+
+#ifndef _WIN32
+  ASSERT_NE(uname(&buf), -1);
+  ASSERT_OK(strcmp(buffer.sysname, buf.sysname));
+  ASSERT_OK(strcmp(buffer.version, buf.version));
+
+# ifdef _AIX
+  snprintf(temp, sizeof(temp), "%s.%s", buf.version, buf.release);
+  ASSERT_OK(strcmp(buffer.release, temp));
+# else
+  ASSERT_OK(strcmp(buffer.release, buf.release));
+# endif /* _AIX */
+
+# if defined(_AIX) || defined(__PASE__)
+  ASSERT_OK(strcmp(buffer.machine, "ppc64"));
+# else
+  ASSERT_OK(strcmp(buffer.machine, buf.machine));
+# endif /* defined(_AIX) || defined(__PASE__) */
+
+#endif /* _WIN32 */
+
+  return 0;
+}