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-rw-r--r--Cargo.lock18
-rw-r--r--library/std/src/os/windows/io/socket.rs8
-rw-r--r--library/std/src/sys/windows/c.rs6
-rw-r--r--library/std/src/sys/windows/c/windows_sys.lst16
-rw-r--r--library/std/src/sys/windows/c/windows_sys.rs164
-rw-r--r--library/std/src/sys/windows/handle.rs9
-rw-r--r--library/std/src/sys/windows/net.rs38
-rw-r--r--src/tools/generate-windows-sys/Cargo.toml2
-rw-r--r--src/tools/generate-windows-sys/src/main.rs31
9 files changed, 138 insertions, 154 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 014e14e5399..14b63afc4cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6025,19 +6025,21 @@ dependencies = [
 
 [[package]]
 name = "windows-bindgen"
-version = "0.49.0"
+version = "0.51.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6935fb09b84ee57929ae92518b475f5dfdfbeb87c5334756acc28ee8e202b60"
+checksum = "bc1f16b778125675feee0d15d6dd9f6af0e3ac52b3233d63a10aa39230c1cd75"
 dependencies = [
+ "proc-macro2",
+ "rayon",
+ "syn 2.0.29",
  "windows-metadata",
- "windows-tokens",
 ]
 
 [[package]]
 name = "windows-metadata"
-version = "0.49.0"
+version = "0.51.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f5bca94a32bf1e6a376522b6601275a3b611ee885ec0f1b6a05f17e8cfd3385"
+checksum = "753135d996f9da437c0b31dbde3032489a61708361929bcc07d4fba0b161000e"
 
 [[package]]
 name = "windows-sys"
@@ -6088,12 +6090,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "windows-tokens"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b34c9a3b28cb41db7385546f7f9a8179348dffc89923dde66857b1ba5312f6b4"
-
-[[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/library/std/src/os/windows/io/socket.rs b/library/std/src/os/windows/io/socket.rs
index 6359835cad5..c80b9e28499 100644
--- a/library/std/src/os/windows/io/socket.rs
+++ b/library/std/src/os/windows/io/socket.rs
@@ -116,7 +116,7 @@ impl BorrowedSocket<'_> {
         let mut info = unsafe { mem::zeroed::<sys::c::WSAPROTOCOL_INFOW>() };
         let result = unsafe {
             sys::c::WSADuplicateSocketW(
-                self.as_raw_socket(),
+                self.as_raw_socket() as sys::c::SOCKET,
                 sys::c::GetCurrentProcessId(),
                 &mut info,
             )
@@ -134,7 +134,7 @@ impl BorrowedSocket<'_> {
         };
 
         if socket != sys::c::INVALID_SOCKET {
-            unsafe { Ok(OwnedSocket::from_raw_socket(socket)) }
+            unsafe { Ok(OwnedSocket::from_raw_socket(socket as RawSocket)) }
         } else {
             let error = unsafe { sys::c::WSAGetLastError() };
 
@@ -158,7 +158,7 @@ impl BorrowedSocket<'_> {
             }
 
             unsafe {
-                let socket = OwnedSocket::from_raw_socket(socket);
+                let socket = OwnedSocket::from_raw_socket(socket as RawSocket);
                 socket.set_no_inherit()?;
                 Ok(socket)
             }
@@ -211,7 +211,7 @@ impl Drop for OwnedSocket {
     #[inline]
     fn drop(&mut self) {
         unsafe {
-            let _ = sys::c::closesocket(self.socket);
+            let _ = sys::c::closesocket(self.socket as sys::c::SOCKET);
         }
     }
 }
diff --git a/library/std/src/sys/windows/c.rs b/library/std/src/sys/windows/c.rs
index d9ccba0e9da..f3637cbb981 100644
--- a/library/std/src/sys/windows/c.rs
+++ b/library/std/src/sys/windows/c.rs
@@ -46,10 +46,6 @@ pub use FD_SET as fd_set;
 pub use LINGER as linger;
 pub use TIMEVAL as timeval;
 
-pub type CONDITION_VARIABLE = RTL_CONDITION_VARIABLE;
-pub type SRWLOCK = RTL_SRWLOCK;
-pub type INIT_ONCE = RTL_RUN_ONCE;
-
 pub const CONDITION_VARIABLE_INIT: CONDITION_VARIABLE = CONDITION_VARIABLE { Ptr: ptr::null_mut() };
 pub const SRWLOCK_INIT: SRWLOCK = SRWLOCK { Ptr: ptr::null_mut() };
 pub const INIT_ONCE_STATIC_INIT: INIT_ONCE = INIT_ONCE { Ptr: ptr::null_mut() };
@@ -224,7 +220,7 @@ pub unsafe extern "system" fn ReadFileEx(
 ) -> BOOL {
     windows_sys::ReadFileEx(
         hFile.as_raw_handle(),
-        lpBuffer,
+        lpBuffer.cast::<u8>(),
         nNumberOfBytesToRead,
         lpOverlapped,
         lpCompletionRoutine,
diff --git a/library/std/src/sys/windows/c/windows_sys.lst b/library/std/src/sys/windows/c/windows_sys.lst
index 5469ba42eb1..0aca37e2d45 100644
--- a/library/std/src/sys/windows/c/windows_sys.lst
+++ b/library/std/src/sys/windows/c/windows_sys.lst
@@ -1,3 +1,6 @@
+--out windows_sys.rs
+--config flatten std
+--filter
 // tidy-alphabetical-start
 Windows.Wdk.Storage.FileSystem.FILE_COMPLETE_IF_OPLOCKED
 Windows.Wdk.Storage.FileSystem.FILE_CONTAINS_EXTENDED_CREATE_INFORMATION
@@ -2108,7 +2111,6 @@ Windows.Win32.Networking.WinSock.WSABASEERR
 Windows.Win32.Networking.WinSock.WSABUF
 Windows.Win32.Networking.WinSock.WSACleanup
 Windows.Win32.Networking.WinSock.WSADATA
-Windows.Win32.Networking.WinSock.WSADATA
 Windows.Win32.Networking.WinSock.WSADuplicateSocketW
 Windows.Win32.Networking.WinSock.WSAEACCES
 Windows.Win32.Networking.WinSock.WSAEADDRINUSE
@@ -2328,7 +2330,6 @@ Windows.Win32.Storage.FileSystem.FileStandardInfo
 Windows.Win32.Storage.FileSystem.FileStorageInfo
 Windows.Win32.Storage.FileSystem.FileStreamInfo
 Windows.Win32.Storage.FileSystem.FindClose
-Windows.Win32.Storage.FileSystem.FindFileHandle
 Windows.Win32.Storage.FileSystem.FindFirstFileW
 Windows.Win32.Storage.FileSystem.FindNextFileW
 Windows.Win32.Storage.FileSystem.FlushFileBuffers
@@ -2420,8 +2421,6 @@ Windows.Win32.System.Console.STD_OUTPUT_HANDLE
 Windows.Win32.System.Console.WriteConsoleW
 Windows.Win32.System.Diagnostics.Debug.ARM64_NT_NEON128
 Windows.Win32.System.Diagnostics.Debug.CONTEXT
-Windows.Win32.System.Diagnostics.Debug.CONTEXT
-Windows.Win32.System.Diagnostics.Debug.CONTEXT
 Windows.Win32.System.Diagnostics.Debug.EXCEPTION_RECORD
 Windows.Win32.System.Diagnostics.Debug.FACILITY_CODE
 Windows.Win32.System.Diagnostics.Debug.FACILITY_NT_BIT
@@ -2435,7 +2434,6 @@ Windows.Win32.System.Diagnostics.Debug.FORMAT_MESSAGE_OPTIONS
 Windows.Win32.System.Diagnostics.Debug.FormatMessageW
 Windows.Win32.System.Diagnostics.Debug.M128A
 Windows.Win32.System.Diagnostics.Debug.XSAVE_FORMAT
-Windows.Win32.System.Diagnostics.Debug.XSAVE_FORMAT
 Windows.Win32.System.Environment.FreeEnvironmentStringsW
 Windows.Win32.System.Environment.GetCommandLineW
 Windows.Win32.System.Environment.GetCurrentDirectoryW
@@ -2456,7 +2454,6 @@ Windows.Win32.System.Kernel.ExceptionContinueExecution
 Windows.Win32.System.Kernel.ExceptionContinueSearch
 Windows.Win32.System.Kernel.ExceptionNestedException
 Windows.Win32.System.Kernel.FLOATING_SAVE_AREA
-Windows.Win32.System.Kernel.FLOATING_SAVE_AREA
 Windows.Win32.System.Kernel.OBJ_DONT_REPARSE
 Windows.Win32.System.LibraryLoader.GetModuleFileNameW
 Windows.Win32.System.LibraryLoader.GetModuleHandleA
@@ -2482,6 +2479,7 @@ Windows.Win32.System.SystemInformation.GetSystemTimeAsFileTime
 Windows.Win32.System.SystemInformation.GetWindowsDirectoryW
 Windows.Win32.System.SystemInformation.PROCESSOR_ARCHITECTURE
 Windows.Win32.System.SystemInformation.SYSTEM_INFO
+Windows.Win32.System.SystemServices.ALL_PROCESSOR_GROUPS
 Windows.Win32.System.SystemServices.DLL_PROCESS_DETACH
 Windows.Win32.System.SystemServices.DLL_THREAD_DETACH
 Windows.Win32.System.SystemServices.EXCEPTION_MAXIMUM_PARAMETERS
@@ -2514,6 +2512,7 @@ Windows.Win32.System.Threading.DeleteProcThreadAttributeList
 Windows.Win32.System.Threading.DETACHED_PROCESS
 Windows.Win32.System.Threading.ExitProcess
 Windows.Win32.System.Threading.EXTENDED_STARTUPINFO_PRESENT
+Windows.Win32.System.Threading.GetActiveProcessorCount
 Windows.Win32.System.Threading.GetCurrentProcess
 Windows.Win32.System.Threading.GetCurrentProcessId
 Windows.Win32.System.Threading.GetCurrentThread
@@ -2542,9 +2541,6 @@ Windows.Win32.System.Threading.PROFILE_USER
 Windows.Win32.System.Threading.REALTIME_PRIORITY_CLASS
 Windows.Win32.System.Threading.ReleaseSRWLockExclusive
 Windows.Win32.System.Threading.ReleaseSRWLockShared
-Windows.Win32.System.Threading.RTL_CONDITION_VARIABLE
-Windows.Win32.System.Threading.RTL_RUN_ONCE
-Windows.Win32.System.Threading.RTL_SRWLOCK
 Windows.Win32.System.Threading.SetThreadStackGuarantee
 Windows.Win32.System.Threading.Sleep
 Windows.Win32.System.Threading.SleepConditionVariableSRW
@@ -2584,8 +2580,6 @@ Windows.Win32.System.Threading.WaitForMultipleObjects
 Windows.Win32.System.Threading.WaitForSingleObject
 Windows.Win32.System.Threading.WakeAllConditionVariable
 Windows.Win32.System.Threading.WakeConditionVariable
-Windows.Win32.System.WindowsProgramming.IO_STATUS_BLOCK
-Windows.Win32.System.WindowsProgramming.OBJECT_ATTRIBUTES
 Windows.Win32.System.WindowsProgramming.PROGRESS_CONTINUE
 Windows.Win32.UI.Shell.GetUserProfileDirectoryW
 // tidy-alphabetical-end
diff --git a/library/std/src/sys/windows/c/windows_sys.rs b/library/std/src/sys/windows/c/windows_sys.rs
index b24f6dc900f..851d15915c7 100644
--- a/library/std/src/sys/windows/c/windows_sys.rs
+++ b/library/std/src/sys/windows/c/windows_sys.rs
@@ -4,7 +4,7 @@
 // regenerate the bindings.
 //
 // ignore-tidy-filelength
-// Bindings generated by `windows-bindgen` 0.49.0
+// Bindings generated by `windows-bindgen` 0.51.1
 
 #![allow(non_snake_case, non_upper_case_globals, non_camel_case_types, dead_code, clippy::all)]
 #[link(name = "advapi32")]
@@ -32,11 +32,11 @@ extern "system" {
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn AcquireSRWLockExclusive(srwlock: *mut RTL_SRWLOCK) -> ();
+    pub fn AcquireSRWLockExclusive(srwlock: *mut SRWLOCK) -> ();
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn AcquireSRWLockShared(srwlock: *mut RTL_SRWLOCK) -> ();
+    pub fn AcquireSRWLockShared(srwlock: *mut SRWLOCK) -> ();
 }
 #[link(name = "kernel32")]
 extern "system" {
@@ -189,18 +189,15 @@ extern "system" {
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn FindClose(hfindfile: FindFileHandle) -> BOOL;
+    pub fn FindClose(hfindfile: HANDLE) -> BOOL;
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn FindFirstFileW(
-        lpfilename: PCWSTR,
-        lpfindfiledata: *mut WIN32_FIND_DATAW,
-    ) -> FindFileHandle;
+    pub fn FindFirstFileW(lpfilename: PCWSTR, lpfindfiledata: *mut WIN32_FIND_DATAW) -> HANDLE;
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn FindNextFileW(hfindfile: FindFileHandle, lpfindfiledata: *mut WIN32_FIND_DATAW) -> BOOL;
+    pub fn FindNextFileW(hfindfile: HANDLE, lpfindfiledata: *mut WIN32_FIND_DATAW) -> BOOL;
 }
 #[link(name = "kernel32")]
 extern "system" {
@@ -224,6 +221,10 @@ extern "system" {
 }
 #[link(name = "kernel32")]
 extern "system" {
+    pub fn GetActiveProcessorCount(groupnumber: u16) -> u32;
+}
+#[link(name = "kernel32")]
+extern "system" {
     pub fn GetCommandLineW() -> PCWSTR;
 }
 #[link(name = "kernel32")]
@@ -360,7 +361,7 @@ extern "system" {
 #[link(name = "kernel32")]
 extern "system" {
     pub fn InitOnceBeginInitialize(
-        lpinitonce: *mut RTL_RUN_ONCE,
+        lpinitonce: *mut INIT_ONCE,
         dwflags: u32,
         fpending: *mut BOOL,
         lpcontext: *mut *mut ::core::ffi::c_void,
@@ -369,7 +370,7 @@ extern "system" {
 #[link(name = "kernel32")]
 extern "system" {
     pub fn InitOnceComplete(
-        lpinitonce: *mut RTL_RUN_ONCE,
+        lpinitonce: *mut INIT_ONCE,
         dwflags: u32,
         lpcontext: *const ::core::ffi::c_void,
     ) -> BOOL;
@@ -424,7 +425,7 @@ extern "system" {
 extern "system" {
     pub fn ReadFile(
         hfile: HANDLE,
-        lpbuffer: *mut ::core::ffi::c_void,
+        lpbuffer: *mut u8,
         nnumberofbytestoread: u32,
         lpnumberofbytesread: *mut u32,
         lpoverlapped: *mut OVERLAPPED,
@@ -434,7 +435,7 @@ extern "system" {
 extern "system" {
     pub fn ReadFileEx(
         hfile: HANDLE,
-        lpbuffer: *mut ::core::ffi::c_void,
+        lpbuffer: *mut u8,
         nnumberofbytestoread: u32,
         lpoverlapped: *mut OVERLAPPED,
         lpcompletionroutine: LPOVERLAPPED_COMPLETION_ROUTINE,
@@ -442,11 +443,11 @@ extern "system" {
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn ReleaseSRWLockExclusive(srwlock: *mut RTL_SRWLOCK) -> ();
+    pub fn ReleaseSRWLockExclusive(srwlock: *mut SRWLOCK) -> ();
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn ReleaseSRWLockShared(srwlock: *mut RTL_SRWLOCK) -> ();
+    pub fn ReleaseSRWLockShared(srwlock: *mut SRWLOCK) -> ();
 }
 #[link(name = "kernel32")]
 extern "system" {
@@ -513,8 +514,8 @@ extern "system" {
 #[link(name = "kernel32")]
 extern "system" {
     pub fn SleepConditionVariableSRW(
-        conditionvariable: *mut RTL_CONDITION_VARIABLE,
-        srwlock: *mut RTL_SRWLOCK,
+        conditionvariable: *mut CONDITION_VARIABLE,
+        srwlock: *mut SRWLOCK,
         dwmilliseconds: u32,
         flags: u32,
     ) -> BOOL;
@@ -549,11 +550,11 @@ extern "system" {
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn TryAcquireSRWLockExclusive(srwlock: *mut RTL_SRWLOCK) -> BOOLEAN;
+    pub fn TryAcquireSRWLockExclusive(srwlock: *mut SRWLOCK) -> BOOLEAN;
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn TryAcquireSRWLockShared(srwlock: *mut RTL_SRWLOCK) -> BOOLEAN;
+    pub fn TryAcquireSRWLockShared(srwlock: *mut SRWLOCK) -> BOOLEAN;
 }
 #[link(name = "kernel32")]
 extern "system" {
@@ -574,19 +575,19 @@ extern "system" {
         lphandles: *const HANDLE,
         bwaitall: BOOL,
         dwmilliseconds: u32,
-    ) -> WIN32_ERROR;
+    ) -> WAIT_EVENT;
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn WaitForSingleObject(hhandle: HANDLE, dwmilliseconds: u32) -> WIN32_ERROR;
+    pub fn WaitForSingleObject(hhandle: HANDLE, dwmilliseconds: u32) -> WAIT_EVENT;
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn WakeAllConditionVariable(conditionvariable: *mut RTL_CONDITION_VARIABLE) -> ();
+    pub fn WakeAllConditionVariable(conditionvariable: *mut CONDITION_VARIABLE) -> ();
 }
 #[link(name = "kernel32")]
 extern "system" {
-    pub fn WakeConditionVariable(conditionvariable: *mut RTL_CONDITION_VARIABLE) -> ();
+    pub fn WakeConditionVariable(conditionvariable: *mut CONDITION_VARIABLE) -> ();
 }
 #[link(name = "kernel32")]
 extern "system" {
@@ -847,6 +848,7 @@ impl ::core::clone::Clone for ADDRINFOA {
 pub const AF_INET: ADDRESS_FAMILY = 2u16;
 pub const AF_INET6: ADDRESS_FAMILY = 23u16;
 pub const AF_UNSPEC: ADDRESS_FAMILY = 0u16;
+pub const ALL_PROCESSOR_GROUPS: u32 = 65535u32;
 #[repr(C)]
 pub union ARM64_NT_NEON128 {
     pub Anonymous: ARM64_NT_NEON128_0,
@@ -899,7 +901,17 @@ impl ::core::clone::Clone for BY_HANDLE_FILE_INFORMATION {
 }
 pub const CALLBACK_CHUNK_FINISHED: LPPROGRESS_ROUTINE_CALLBACK_REASON = 0u32;
 pub const CALLBACK_STREAM_SWITCH: LPPROGRESS_ROUTINE_CALLBACK_REASON = 1u32;
-pub type COMPARESTRING_RESULT = u32;
+pub type COMPARESTRING_RESULT = i32;
+#[repr(C)]
+pub struct CONDITION_VARIABLE {
+    pub Ptr: *mut ::core::ffi::c_void,
+}
+impl ::core::marker::Copy for CONDITION_VARIABLE {}
+impl ::core::clone::Clone for CONDITION_VARIABLE {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
 pub type CONSOLE_MODE = u32;
 #[repr(C)]
 pub struct CONSOLE_READCONSOLE_CONTROL {
@@ -917,7 +929,7 @@ impl ::core::clone::Clone for CONSOLE_READCONSOLE_CONTROL {
 #[repr(C)]
 #[cfg(target_arch = "aarch64")]
 pub struct CONTEXT {
-    pub ContextFlags: u32,
+    pub ContextFlags: CONTEXT_FLAGS,
     pub Cpsr: u32,
     pub Anonymous: CONTEXT_0,
     pub Sp: u64,
@@ -1004,7 +1016,7 @@ pub struct CONTEXT {
     pub P4Home: u64,
     pub P5Home: u64,
     pub P6Home: u64,
-    pub ContextFlags: u32,
+    pub ContextFlags: CONTEXT_FLAGS,
     pub MxCsr: u32,
     pub SegCs: u16,
     pub SegDs: u16,
@@ -1100,7 +1112,7 @@ impl ::core::clone::Clone for CONTEXT_0_0 {
 #[repr(C)]
 #[cfg(target_arch = "x86")]
 pub struct CONTEXT {
-    pub ContextFlags: u32,
+    pub ContextFlags: CONTEXT_FLAGS,
     pub Dr0: u32,
     pub Dr1: u32,
     pub Dr2: u32,
@@ -1134,6 +1146,7 @@ impl ::core::clone::Clone for CONTEXT {
         *self
     }
 }
+pub type CONTEXT_FLAGS = u32;
 pub const CP_UTF8: u32 = 65001u32;
 pub const CREATE_ALWAYS: FILE_CREATION_DISPOSITION = 2u32;
 pub const CREATE_BREAKAWAY_FROM_JOB: PROCESS_CREATION_FLAGS = 16777216u32;
@@ -1151,9 +1164,9 @@ pub const CREATE_SEPARATE_WOW_VDM: PROCESS_CREATION_FLAGS = 2048u32;
 pub const CREATE_SHARED_WOW_VDM: PROCESS_CREATION_FLAGS = 4096u32;
 pub const CREATE_SUSPENDED: PROCESS_CREATION_FLAGS = 4u32;
 pub const CREATE_UNICODE_ENVIRONMENT: PROCESS_CREATION_FLAGS = 1024u32;
-pub const CSTR_EQUAL: COMPARESTRING_RESULT = 2u32;
-pub const CSTR_GREATER_THAN: COMPARESTRING_RESULT = 3u32;
-pub const CSTR_LESS_THAN: COMPARESTRING_RESULT = 1u32;
+pub const CSTR_EQUAL: COMPARESTRING_RESULT = 2i32;
+pub const CSTR_GREATER_THAN: COMPARESTRING_RESULT = 3i32;
+pub const CSTR_LESS_THAN: COMPARESTRING_RESULT = 1i32;
 pub const DEBUG_ONLY_THIS_PROCESS: PROCESS_CREATION_FLAGS = 2u32;
 pub const DEBUG_PROCESS: PROCESS_CREATION_FLAGS = 1u32;
 pub const DELETE: FILE_ACCESS_RIGHTS = 65536u32;
@@ -3369,7 +3382,6 @@ pub const FileRenameInfoEx: FILE_INFO_BY_HANDLE_CLASS = 22i32;
 pub const FileStandardInfo: FILE_INFO_BY_HANDLE_CLASS = 1i32;
 pub const FileStorageInfo: FILE_INFO_BY_HANDLE_CLASS = 16i32;
 pub const FileStreamInfo: FILE_INFO_BY_HANDLE_CLASS = 7i32;
-pub type FindFileHandle = *mut ::core::ffi::c_void;
 pub type GENERIC_ACCESS_RIGHTS = u32;
 pub const GENERIC_ALL: GENERIC_ACCESS_RIGHTS = 268435456u32;
 pub const GENERIC_EXECUTE: GENERIC_ACCESS_RIGHTS = 536870912u32;
@@ -3383,6 +3395,12 @@ pub struct GUID {
     pub data3: u16,
     pub data4: [u8; 8],
 }
+impl ::core::marker::Copy for GUID {}
+impl ::core::clone::Clone for GUID {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
 impl GUID {
     pub const fn from_u128(uuid: u128) -> Self {
         Self {
@@ -3393,12 +3411,6 @@ impl GUID {
         }
     }
 }
-impl ::core::marker::Copy for GUID {}
-impl ::core::clone::Clone for GUID {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 pub type HANDLE = *mut ::core::ffi::c_void;
 pub type HANDLE_FLAGS = u32;
 pub const HANDLE_FLAG_INHERIT: HANDLE_FLAGS = 1u32;
@@ -3431,6 +3443,16 @@ impl ::core::clone::Clone for IN6_ADDR_0 {
 pub const INFINITE: u32 = 4294967295u32;
 pub const INHERIT_CALLER_PRIORITY: PROCESS_CREATION_FLAGS = 131072u32;
 pub const INHERIT_PARENT_AFFINITY: PROCESS_CREATION_FLAGS = 65536u32;
+#[repr(C)]
+pub union INIT_ONCE {
+    pub Ptr: *mut ::core::ffi::c_void,
+}
+impl ::core::marker::Copy for INIT_ONCE {}
+impl ::core::clone::Clone for INIT_ONCE {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
 pub const INIT_ONCE_INIT_FAILED: u32 = 4u32;
 pub const INVALID_FILE_ATTRIBUTES: u32 = 4294967295u32;
 pub const INVALID_HANDLE_VALUE: HANDLE = ::core::ptr::invalid_mut(-1i32 as _);
@@ -3659,10 +3681,10 @@ pub type NTSTATUS = i32;
 pub struct OBJECT_ATTRIBUTES {
     pub Length: u32,
     pub RootDirectory: HANDLE,
-    pub ObjectName: *mut UNICODE_STRING,
+    pub ObjectName: *const UNICODE_STRING,
     pub Attributes: u32,
-    pub SecurityDescriptor: *mut ::core::ffi::c_void,
-    pub SecurityQualityOfService: *mut ::core::ffi::c_void,
+    pub SecurityDescriptor: *const ::core::ffi::c_void,
+    pub SecurityQualityOfService: *const ::core::ffi::c_void,
 }
 impl ::core::marker::Copy for OBJECT_ATTRIBUTES {}
 impl ::core::clone::Clone for OBJECT_ATTRIBUTES {
@@ -3712,8 +3734,8 @@ pub type PCSTR = *const u8;
 pub type PCWSTR = *const u16;
 pub type PIO_APC_ROUTINE = ::core::option::Option<
     unsafe extern "system" fn(
-        apccontext: *const ::core::ffi::c_void,
-        iostatusblock: *const IO_STATUS_BLOCK,
+        apccontext: *mut ::core::ffi::c_void,
+        iostatusblock: *mut IO_STATUS_BLOCK,
         reserved: u32,
     ) -> (),
 >;
@@ -3755,36 +3777,6 @@ pub type PSTR = *mut u8;
 pub type PWSTR = *mut u16;
 pub const READ_CONTROL: FILE_ACCESS_RIGHTS = 131072u32;
 pub const REALTIME_PRIORITY_CLASS: PROCESS_CREATION_FLAGS = 256u32;
-#[repr(C)]
-pub struct RTL_CONDITION_VARIABLE {
-    pub Ptr: *mut ::core::ffi::c_void,
-}
-impl ::core::marker::Copy for RTL_CONDITION_VARIABLE {}
-impl ::core::clone::Clone for RTL_CONDITION_VARIABLE {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
-#[repr(C)]
-pub union RTL_RUN_ONCE {
-    pub Ptr: *mut ::core::ffi::c_void,
-}
-impl ::core::marker::Copy for RTL_RUN_ONCE {}
-impl ::core::clone::Clone for RTL_RUN_ONCE {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
-#[repr(C)]
-pub struct RTL_SRWLOCK {
-    pub Ptr: *mut ::core::ffi::c_void,
-}
-impl ::core::marker::Copy for RTL_SRWLOCK {}
-impl ::core::clone::Clone for RTL_SRWLOCK {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 pub const SD_BOTH: WINSOCK_SHUTDOWN_HOW = 2i32;
 pub const SD_RECEIVE: WINSOCK_SHUTDOWN_HOW = 0i32;
 pub const SD_SEND: WINSOCK_SHUTDOWN_HOW = 1i32;
@@ -3821,10 +3813,7 @@ impl ::core::clone::Clone for SOCKADDR {
         *self
     }
 }
-#[cfg(target_pointer_width = "32")]
-pub type SOCKET = u32;
-#[cfg(target_pointer_width = "64")]
-pub type SOCKET = u64;
+pub type SOCKET = usize;
 pub const SOCKET_ERROR: i32 = -1i32;
 pub const SOCK_DGRAM: WINSOCK_SOCKET_TYPE = 2i32;
 pub const SOCK_RAW: WINSOCK_SOCKET_TYPE = 3i32;
@@ -3838,6 +3827,16 @@ pub const SO_LINGER: i32 = 128i32;
 pub const SO_RCVTIMEO: i32 = 4102i32;
 pub const SO_SNDTIMEO: i32 = 4101i32;
 pub const SPECIFIC_RIGHTS_ALL: FILE_ACCESS_RIGHTS = 65535u32;
+#[repr(C)]
+pub struct SRWLOCK {
+    pub Ptr: *mut ::core::ffi::c_void,
+}
+impl ::core::marker::Copy for SRWLOCK {}
+impl ::core::clone::Clone for SRWLOCK {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
 pub const STACK_SIZE_PARAM_IS_A_RESERVATION: THREAD_CREATION_FLAGS = 65536u32;
 pub const STANDARD_RIGHTS_ALL: FILE_ACCESS_RIGHTS = 2031616u32;
 pub const STANDARD_RIGHTS_EXECUTE: FILE_ACCESS_RIGHTS = 131072u32;
@@ -4008,12 +4007,13 @@ impl ::core::clone::Clone for UNICODE_STRING {
 pub const VOLUME_NAME_DOS: GETFINALPATHNAMEBYHANDLE_FLAGS = 0u32;
 pub const VOLUME_NAME_GUID: GETFINALPATHNAMEBYHANDLE_FLAGS = 1u32;
 pub const VOLUME_NAME_NONE: GETFINALPATHNAMEBYHANDLE_FLAGS = 4u32;
-pub const WAIT_ABANDONED: WIN32_ERROR = 128u32;
-pub const WAIT_ABANDONED_0: WIN32_ERROR = 128u32;
-pub const WAIT_FAILED: WIN32_ERROR = 4294967295u32;
-pub const WAIT_IO_COMPLETION: WIN32_ERROR = 192u32;
-pub const WAIT_OBJECT_0: WIN32_ERROR = 0u32;
-pub const WAIT_TIMEOUT: WIN32_ERROR = 258u32;
+pub const WAIT_ABANDONED: WAIT_EVENT = 128u32;
+pub const WAIT_ABANDONED_0: WAIT_EVENT = 128u32;
+pub type WAIT_EVENT = u32;
+pub const WAIT_FAILED: WAIT_EVENT = 4294967295u32;
+pub const WAIT_IO_COMPLETION: WAIT_EVENT = 192u32;
+pub const WAIT_OBJECT_0: WAIT_EVENT = 0u32;
+pub const WAIT_TIMEOUT: WAIT_EVENT = 258u32;
 pub const WC_ERR_INVALID_CHARS: u32 = 128u32;
 pub type WIN32_ERROR = u32;
 #[repr(C)]
diff --git a/library/std/src/sys/windows/handle.rs b/library/std/src/sys/windows/handle.rs
index 84c1fbde32d..56d0d6c0887 100644
--- a/library/std/src/sys/windows/handle.rs
+++ b/library/std/src/sys/windows/handle.rs
@@ -143,13 +143,8 @@ impl Handle {
     ) -> io::Result<Option<usize>> {
         let len = cmp::min(buf.len(), <c::DWORD>::MAX as usize) as c::DWORD;
         let mut amt = 0;
-        let res = cvt(c::ReadFile(
-            self.as_raw_handle(),
-            buf.as_ptr() as c::LPVOID,
-            len,
-            &mut amt,
-            overlapped,
-        ));
+        let res =
+            cvt(c::ReadFile(self.as_raw_handle(), buf.as_mut_ptr(), len, &mut amt, overlapped));
         match res {
             Ok(_) => Ok(Some(amt as usize)),
             Err(e) => {
diff --git a/library/std/src/sys/windows/net.rs b/library/std/src/sys/windows/net.rs
index 1ae42cb7eae..abdcab4247f 100644
--- a/library/std/src/sys/windows/net.rs
+++ b/library/std/src/sys/windows/net.rs
@@ -117,7 +117,7 @@ impl Socket {
         };
 
         if socket != c::INVALID_SOCKET {
-            unsafe { Ok(Self::from_raw_socket(socket)) }
+            unsafe { Ok(Self::from_raw(socket)) }
         } else {
             let error = unsafe { c::WSAGetLastError() };
 
@@ -133,7 +133,7 @@ impl Socket {
             }
 
             unsafe {
-                let socket = Self::from_raw_socket(socket);
+                let socket = Self::from_raw(socket);
                 socket.0.set_no_inherit()?;
                 Ok(socket)
             }
@@ -144,7 +144,7 @@ impl Socket {
         self.set_nonblocking(true)?;
         let result = {
             let (addr, len) = addr.into_inner();
-            let result = unsafe { c::connect(self.as_raw_socket(), addr.as_ptr(), len) };
+            let result = unsafe { c::connect(self.as_raw(), addr.as_ptr(), len) };
             cvt(result).map(drop)
         };
         self.set_nonblocking(false)?;
@@ -170,7 +170,7 @@ impl Socket {
                 let fds = {
                     let mut fds = unsafe { mem::zeroed::<c::fd_set>() };
                     fds.fd_count = 1;
-                    fds.fd_array[0] = self.as_raw_socket();
+                    fds.fd_array[0] = self.as_raw();
                     fds
                 };
 
@@ -202,11 +202,11 @@ impl Socket {
     }
 
     pub fn accept(&self, storage: *mut c::SOCKADDR, len: *mut c_int) -> io::Result<Socket> {
-        let socket = unsafe { c::accept(self.as_raw_socket(), storage, len) };
+        let socket = unsafe { c::accept(self.as_raw(), storage, len) };
 
         match socket {
             c::INVALID_SOCKET => Err(last_error()),
-            _ => unsafe { Ok(Self::from_raw_socket(socket)) },
+            _ => unsafe { Ok(Self::from_raw(socket)) },
         }
     }
 
@@ -218,9 +218,8 @@ impl Socket {
         // On unix when a socket is shut down all further reads return 0, so we
         // do the same on windows to map a shut down socket to returning EOF.
         let length = cmp::min(buf.capacity(), i32::MAX as usize) as i32;
-        let result = unsafe {
-            c::recv(self.as_raw_socket(), buf.as_mut().as_mut_ptr() as *mut _, length, flags)
-        };
+        let result =
+            unsafe { c::recv(self.as_raw(), buf.as_mut().as_mut_ptr() as *mut _, length, flags) };
 
         match result {
             c::SOCKET_ERROR => {
@@ -257,7 +256,7 @@ impl Socket {
         let mut flags = 0;
         let result = unsafe {
             c::WSARecv(
-                self.as_raw_socket(),
+                self.as_raw(),
                 bufs.as_mut_ptr() as *mut c::WSABUF,
                 length,
                 &mut nread,
@@ -305,7 +304,7 @@ impl Socket {
         // do the same on windows to map a shut down socket to returning EOF.
         let result = unsafe {
             c::recvfrom(
-                self.as_raw_socket(),
+                self.as_raw(),
                 buf.as_mut_ptr() as *mut _,
                 length,
                 flags,
@@ -341,7 +340,7 @@ impl Socket {
         let mut nwritten = 0;
         let result = unsafe {
             c::WSASend(
-                self.as_raw_socket(),
+                self.as_raw(),
                 bufs.as_ptr() as *const c::WSABUF as *mut _,
                 length,
                 &mut nwritten,
@@ -392,14 +391,14 @@ impl Socket {
             Shutdown::Read => c::SD_RECEIVE,
             Shutdown::Both => c::SD_BOTH,
         };
-        let result = unsafe { c::shutdown(self.as_raw_socket(), how) };
+        let result = unsafe { c::shutdown(self.as_raw(), how) };
         cvt(result).map(drop)
     }
 
     pub fn set_nonblocking(&self, nonblocking: bool) -> io::Result<()> {
         let mut nonblocking = nonblocking as c_ulong;
         let result =
-            unsafe { c::ioctlsocket(self.as_raw_socket(), c::FIONBIO as c_int, &mut nonblocking) };
+            unsafe { c::ioctlsocket(self.as_raw(), c::FIONBIO as c_int, &mut nonblocking) };
         cvt(result).map(drop)
     }
 
@@ -433,8 +432,15 @@ impl Socket {
     }
 
     // This is used by sys_common code to abstract over Windows and Unix.
-    pub fn as_raw(&self) -> RawSocket {
-        self.as_inner().as_raw_socket()
+    pub fn as_raw(&self) -> c::SOCKET {
+        debug_assert_eq!(mem::size_of::<c::SOCKET>(), mem::size_of::<RawSocket>());
+        debug_assert_eq!(mem::align_of::<c::SOCKET>(), mem::align_of::<RawSocket>());
+        self.as_inner().as_raw_socket() as c::SOCKET
+    }
+    pub unsafe fn from_raw(raw: c::SOCKET) -> Self {
+        debug_assert_eq!(mem::size_of::<c::SOCKET>(), mem::size_of::<RawSocket>());
+        debug_assert_eq!(mem::align_of::<c::SOCKET>(), mem::align_of::<RawSocket>());
+        Self::from_raw_socket(raw as RawSocket)
     }
 }
 
diff --git a/src/tools/generate-windows-sys/Cargo.toml b/src/tools/generate-windows-sys/Cargo.toml
index 23e88844bd0..9821677a122 100644
--- a/src/tools/generate-windows-sys/Cargo.toml
+++ b/src/tools/generate-windows-sys/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies.windows-bindgen]
-version = "0.49"
+version = "0.51.1"
diff --git a/src/tools/generate-windows-sys/src/main.rs b/src/tools/generate-windows-sys/src/main.rs
index 91d981462e8..dff2c5e467a 100644
--- a/src/tools/generate-windows-sys/src/main.rs
+++ b/src/tools/generate-windows-sys/src/main.rs
@@ -1,5 +1,7 @@
+use std::env;
+use std::error::Error;
 use std::fs;
-use std::io::{self, Write};
+use std::io::{self, Read, Seek, Write};
 use std::path::PathBuf;
 
 /// This is printed to the file before the rest of the contents.
@@ -11,25 +13,20 @@ const PRELUDE: &str = r#"// This file is autogenerated.
 // ignore-tidy-filelength
 "#;
 
-fn main() -> io::Result<()> {
+fn main() -> Result<(), Box<dyn Error>> {
     let mut path: PathBuf =
-        std::env::args_os().nth(1).expect("a path to the rust repository is required").into();
-    path.push("library/std/src/sys/windows/c/windows_sys.lst");
+        env::args_os().nth(1).expect("a path to the rust repository is required").into();
+    path.push("library/std/src/sys/windows/c");
+    env::set_current_dir(&path)?;
 
-    // Load the list of APIs
-    let buffer = fs::read_to_string(&path)?;
-    let names: Vec<&str> = buffer
-        .lines()
-        .filter_map(|line| {
-            let line = line.trim();
-            if line.is_empty() || line.starts_with("//") { None } else { Some(line) }
-        })
-        .collect();
+    let info = windows_bindgen::bindgen(["--etc", "windows_sys.lst"])?;
+    println!("{info}");
 
-    // Write the bindings to windows-sys.rs
-    let bindings = windows_bindgen::standalone_std(&names);
-    path.set_extension("rs");
-    let mut f = std::fs::File::create(&path)?;
+    // add some gunk to the output file.
+    let mut f = fs::File::options().read(true).write(true).open("windows_sys.rs")?;
+    let mut bindings = String::new();
+    f.read_to_string(&mut bindings)?;
+    f.seek(io::SeekFrom::Start(0))?;
     f.write_all(PRELUDE.as_bytes())?;
     f.write_all(bindings.as_bytes())?;
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-11-03 03:05:54 +0000