--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/src/win/internal.h	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,335 @@
+/* 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.
+ */
+
+#ifndef UV_WIN_INTERNAL_H_
+#define UV_WIN_INTERNAL_H_
+
+#include "uv.h"
+#include "../uv-common.h"
+
+#include "uv/tree.h"
+#include "winapi.h"
+#include "winsock.h"
+
+#ifdef _MSC_VER
+# define INLINE __inline
+# define UV_THREAD_LOCAL __declspec( thread )
+#else
+# define INLINE inline
+# define UV_THREAD_LOCAL __thread
+#endif
+
+
+#ifdef _DEBUG
+
+extern UV_THREAD_LOCAL int uv__crt_assert_enabled;
+
+#define UV_BEGIN_DISABLE_CRT_ASSERT()                           \
+  {                                                             \
+    int uv__saved_crt_assert_enabled = uv__crt_assert_enabled;  \
+    uv__crt_assert_enabled = FALSE;
+
+
+#define UV_END_DISABLE_CRT_ASSERT()                             \
+    uv__crt_assert_enabled = uv__saved_crt_assert_enabled;      \
+  }
+
+#else
+#define UV_BEGIN_DISABLE_CRT_ASSERT()
+#define UV_END_DISABLE_CRT_ASSERT()
+#endif
+
+/*
+ * TCP
+ */
+
+typedef enum {
+  UV__IPC_SOCKET_XFER_NONE = 0,
+  UV__IPC_SOCKET_XFER_TCP_CONNECTION,
+  UV__IPC_SOCKET_XFER_TCP_SERVER
+} uv__ipc_socket_xfer_type_t;
+
+typedef struct {
+  WSAPROTOCOL_INFOW socket_info;
+  uint32_t delayed_error;
+} uv__ipc_socket_xfer_info_t;
+
+int uv__tcp_listen(uv_tcp_t* handle, int backlog, uv_connection_cb cb);
+int uv__tcp_accept(uv_tcp_t* server, uv_tcp_t* client);
+int uv__tcp_read_start(uv_tcp_t* handle, uv_alloc_cb alloc_cb,
+    uv_read_cb read_cb);
+int uv__tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle,
+    const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb);
+int uv__tcp_try_write(uv_tcp_t* handle, const uv_buf_t bufs[],
+    unsigned int nbufs);
+
+void uv__process_tcp_read_req(uv_loop_t* loop, uv_tcp_t* handle, uv_req_t* req);
+void uv__process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
+    uv_write_t* req);
+void uv__process_tcp_accept_req(uv_loop_t* loop, uv_tcp_t* handle,
+    uv_req_t* req);
+void uv__process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle,
+    uv_connect_t* req);
+void uv__process_tcp_shutdown_req(uv_loop_t* loop,
+                                  uv_tcp_t* stream,
+                                  uv_shutdown_t* req);
+
+void uv__tcp_close(uv_loop_t* loop, uv_tcp_t* tcp);
+void uv__tcp_endgame(uv_loop_t* loop, uv_tcp_t* handle);
+
+int uv__tcp_xfer_export(uv_tcp_t* handle,
+                        int pid,
+                        uv__ipc_socket_xfer_type_t* xfer_type,
+                        uv__ipc_socket_xfer_info_t* xfer_info);
+int uv__tcp_xfer_import(uv_tcp_t* tcp,
+                        uv__ipc_socket_xfer_type_t xfer_type,
+                        uv__ipc_socket_xfer_info_t* xfer_info);
+
+
+/*
+ * UDP
+ */
+void uv__process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle, uv_req_t* req);
+void uv__process_udp_send_req(uv_loop_t* loop, uv_udp_t* handle,
+    uv_udp_send_t* req);
+
+void uv__udp_close(uv_loop_t* loop, uv_udp_t* handle);
+void uv__udp_endgame(uv_loop_t* loop, uv_udp_t* handle);
+
+
+/*
+ * Pipes
+ */
+int uv__create_stdio_pipe_pair(uv_loop_t* loop,
+    uv_pipe_t* parent_pipe, HANDLE* child_pipe_ptr, unsigned int flags);
+
+int uv__pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
+int uv__pipe_accept(uv_pipe_t* server, uv_stream_t* client);
+int uv__pipe_read_start(uv_pipe_t* handle, uv_alloc_cb alloc_cb,
+    uv_read_cb read_cb);
+void uv__pipe_read_stop(uv_pipe_t* handle);
+int uv__pipe_write(uv_loop_t* loop,
+                   uv_write_t* req,
+                   uv_pipe_t* handle,
+                   const uv_buf_t bufs[],
+                   size_t nbufs,
+                   uv_stream_t* send_handle,
+                   uv_write_cb cb);
+void uv__pipe_shutdown(uv_loop_t* loop, uv_pipe_t* handle, uv_shutdown_t* req);
+
+void uv__process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_req_t* req);
+void uv__process_pipe_write_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_write_t* req);
+void uv__process_pipe_accept_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_req_t* raw_req);
+void uv__process_pipe_connect_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_connect_t* req);
+void uv__process_pipe_shutdown_req(uv_loop_t* loop, uv_pipe_t* handle,
+    uv_shutdown_t* req);
+
+void uv__pipe_close(uv_loop_t* loop, uv_pipe_t* handle);
+void uv__pipe_endgame(uv_loop_t* loop, uv_pipe_t* handle);
+
+
+/*
+ * TTY
+ */
+void uv__console_init(void);
+
+int uv__tty_read_start(uv_tty_t* handle, uv_alloc_cb alloc_cb,
+    uv_read_cb read_cb);
+int uv__tty_read_stop(uv_tty_t* handle);
+int uv__tty_write(uv_loop_t* loop, uv_write_t* req, uv_tty_t* handle,
+    const uv_buf_t bufs[], unsigned int nbufs, uv_write_cb cb);
+int uv__tty_try_write(uv_tty_t* handle, const uv_buf_t bufs[],
+    unsigned int nbufs);
+void uv__tty_close(uv_tty_t* handle);
+
+void uv__process_tty_read_req(uv_loop_t* loop, uv_tty_t* handle,
+    uv_req_t* req);
+void uv__process_tty_write_req(uv_loop_t* loop, uv_tty_t* handle,
+    uv_write_t* req);
+#define uv__process_tty_accept_req(loop, handle, req) abort()
+#define uv__process_tty_connect_req(loop, handle, req) abort()
+void uv__process_tty_shutdown_req(uv_loop_t* loop,
+                                  uv_tty_t* stream,
+                                  uv_shutdown_t* req);
+void uv__tty_endgame(uv_loop_t* loop, uv_tty_t* handle);
+
+
+/*
+ * Poll watchers
+ */
+void uv__process_poll_req(uv_loop_t* loop, uv_poll_t* handle,
+    uv_req_t* req);
+
+int uv__poll_close(uv_loop_t* loop, uv_poll_t* handle);
+void uv__poll_endgame(uv_loop_t* loop, uv_poll_t* handle);
+
+
+/*
+ * Loop watchers
+ */
+void uv__loop_watcher_endgame(uv_loop_t* loop, uv_handle_t* handle);
+
+void uv__prepare_invoke(uv_loop_t* loop);
+void uv__check_invoke(uv_loop_t* loop);
+void uv__idle_invoke(uv_loop_t* loop);
+
+void uv__once_init(void);
+
+
+/*
+ * Async watcher
+ */
+void uv__async_close(uv_loop_t* loop, uv_async_t* handle);
+void uv__async_endgame(uv_loop_t* loop, uv_async_t* handle);
+
+void uv__process_async_wakeup_req(uv_loop_t* loop, uv_async_t* handle,
+    uv_req_t* req);
+
+
+/*
+ * Signal watcher
+ */
+void uv__signals_init(void);
+int uv__signal_dispatch(int signum);
+
+void uv__signal_close(uv_loop_t* loop, uv_signal_t* handle);
+void uv__signal_endgame(uv_loop_t* loop, uv_signal_t* handle);
+
+void uv__process_signal_req(uv_loop_t* loop, uv_signal_t* handle,
+    uv_req_t* req);
+
+
+/*
+ * Spawn
+ */
+void uv__process_proc_exit(uv_loop_t* loop, uv_process_t* handle);
+void uv__process_close(uv_loop_t* loop, uv_process_t* handle);
+void uv__process_endgame(uv_loop_t* loop, uv_process_t* handle);
+
+
+/*
+ * FS
+ */
+void uv__fs_init(void);
+
+
+/*
+ * FS Event
+ */
+void uv__process_fs_event_req(uv_loop_t* loop, uv_req_t* req,
+    uv_fs_event_t* handle);
+void uv__fs_event_close(uv_loop_t* loop, uv_fs_event_t* handle);
+void uv__fs_event_endgame(uv_loop_t* loop, uv_fs_event_t* handle);
+
+
+/*
+ * Stat poller.
+ */
+void uv__fs_poll_endgame(uv_loop_t* loop, uv_fs_poll_t* handle);
+
+
+/*
+ * Utilities.
+ */
+void uv__util_init(void);
+
+uint64_t uv__hrtime(unsigned int scale);
+__declspec(noreturn) void uv_fatal_error(const int errorno, const char* syscall);
+int uv__convert_utf16_to_utf8(const WCHAR* utf16, size_t utf16len, char** utf8);
+int uv__copy_utf16_to_utf8(const WCHAR* utf16, size_t utf16len, char* utf8, size_t *size);
+int uv__convert_utf8_to_utf16(const char* utf8, WCHAR** utf16);
+
+typedef int (WINAPI *uv__peersockfunc)(SOCKET, struct sockaddr*, int*);
+
+int uv__getsockpeername(const uv_handle_t* handle,
+                        uv__peersockfunc func,
+                        struct sockaddr* name,
+                        int* namelen,
+                        int delayed_error);
+
+int uv__random_rtlgenrandom(void* buf, size_t buflen);
+
+
+/*
+ * Process stdio handles.
+ */
+int uv__stdio_create(uv_loop_t* loop,
+                     const uv_process_options_t* options,
+                     BYTE** buffer_ptr);
+void uv__stdio_destroy(BYTE* buffer);
+void uv__stdio_noinherit(BYTE* buffer);
+int uv__stdio_verify(BYTE* buffer, WORD size);
+WORD uv__stdio_size(BYTE* buffer);
+HANDLE uv__stdio_handle(BYTE* buffer, int fd);
+
+
+/*
+ * Winapi and ntapi utility functions
+ */
+void uv__winapi_init(void);
+
+
+/*
+ * Winsock utility functions
+ */
+void uv__winsock_init(void);
+
+int uv__ntstatus_to_winsock_error(NTSTATUS status);
+
+BOOL uv__get_acceptex_function(SOCKET socket, LPFN_ACCEPTEX* target);
+BOOL uv__get_connectex_function(SOCKET socket, LPFN_CONNECTEX* target);
+
+int WSAAPI uv__wsarecv_workaround(SOCKET socket, WSABUF* buffers,
+    DWORD buffer_count, DWORD* bytes, DWORD* flags, WSAOVERLAPPED *overlapped,
+    LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
+int WSAAPI uv__wsarecvfrom_workaround(SOCKET socket, WSABUF* buffers,
+    DWORD buffer_count, DWORD* bytes, DWORD* flags, struct sockaddr* addr,
+    int* addr_len, WSAOVERLAPPED *overlapped,
+    LPWSAOVERLAPPED_COMPLETION_ROUTINE completion_routine);
+
+int WSAAPI uv__msafd_poll(SOCKET socket, AFD_POLL_INFO* info_in,
+    AFD_POLL_INFO* info_out, OVERLAPPED* overlapped);
+
+/* Whether there are any non-IFS LSPs stacked on TCP */
+extern int uv_tcp_non_ifs_lsp_ipv4;
+extern int uv_tcp_non_ifs_lsp_ipv6;
+
+/* Ip address used to bind to any port at any interface */
+extern struct sockaddr_in uv_addr_ip4_any_;
+extern struct sockaddr_in6 uv_addr_ip6_any_;
+
+/*
+ * Wake all loops with fake message
+ */
+void uv__wake_all_loops(void);
+
+/*
+ * Init system wake-up detection
+ */
+void uv__init_detect_system_wakeup(void);
+
+int uv_translate_write_sys_error(int sys_errno);
+
+#endif /* UV_WIN_INTERNAL_H_ */