library/std/src/sys/windows/c.rs

   1 //! C definitions used by libnative that don't belong in liblibc
   2
   3 #![allow(nonstandard_style)]
   4 #![cfg_attr(test, allow(dead_code))]
   5 #![unstable(issue = "none", feature = "windows_c")]
   6
   7 use crate::os::raw::{c_char, c_int, c_long, c_longlong, c_uint, c_ulong, c_ushort};
   8 use crate::ptr;
   9
  10 use libc::{c_void, size_t, wchar_t};
  11
  12 pub use self::EXCEPTION_DISPOSITION::*;
  13 pub use self::FILE_INFO_BY_HANDLE_CLASS::*;
  14
  15 pub type DWORD = c_ulong;
  16 pub type HANDLE = LPVOID;
  17 pub type HINSTANCE = HANDLE;
  18 pub type HMODULE = HINSTANCE;
  19 pub type HRESULT = LONG;
  20 pub type BOOL = c_int;
  21 pub type BYTE = u8;
  22 pub type BOOLEAN = BYTE;
  23 pub type GROUP = c_uint;
  24 pub type LARGE_INTEGER = c_longlong;
  25 pub type LONG = c_long;
  26 pub type UINT = c_uint;
  27 pub type WCHAR = u16;
  28 pub type USHORT = c_ushort;
  29 pub type SIZE_T = usize;
  30 pub type WORD = u16;
  31 pub type CHAR = c_char;
  32 pub type ULONG_PTR = usize;
  33 pub type ULONG = c_ulong;
  34 pub type NTSTATUS = LONG;
  35 pub type ACCESS_MASK = DWORD;
  36
  37 pub type LPBOOL = *mut BOOL;
  38 pub type LPBYTE = *mut BYTE;
  39 pub type LPCSTR = *const CHAR;
  40 pub type LPCWSTR = *const WCHAR;
  41 pub type LPDWORD = *mut DWORD;
  42 pub type LPHANDLE = *mut HANDLE;
  43 pub type LPOVERLAPPED = *mut OVERLAPPED;
  44 pub type LPPROCESS_INFORMATION = *mut PROCESS_INFORMATION;
  45 pub type LPSECURITY_ATTRIBUTES = *mut SECURITY_ATTRIBUTES;
  46 pub type LPSTARTUPINFO = *mut STARTUPINFO;
  47 pub type LPVOID = *mut c_void;
  48 pub type LPWCH = *mut WCHAR;
  49 pub type LPWIN32_FIND_DATAW = *mut WIN32_FIND_DATAW;
  50 pub type LPWSADATA = *mut WSADATA;
  51 pub type LPWSAPROTOCOL_INFO = *mut WSAPROTOCOL_INFO;
  52 pub type LPWSTR = *mut WCHAR;
  53 pub type LPFILETIME = *mut FILETIME;
  54 pub type LPWSABUF = *mut WSABUF;
  55 pub type LPWSAOVERLAPPED = *mut c_void;
  56 pub type LPWSAOVERLAPPED_COMPLETION_ROUTINE = *mut c_void;
  57
  58 pub type PCONDITION_VARIABLE = *mut CONDITION_VARIABLE;
  59 pub type PLARGE_INTEGER = *mut c_longlong;
  60 pub type PSRWLOCK = *mut SRWLOCK;
  61
  62 pub type SOCKET = crate::os::windows::raw::SOCKET;
  63 pub type socklen_t = c_int;
  64 pub type ADDRESS_FAMILY = USHORT;
  65
  66 pub const TRUE: BOOL = 1;
  67 pub const FALSE: BOOL = 0;
  68
  69 pub const FILE_ATTRIBUTE_READONLY: DWORD = 0x1;
  70 pub const FILE_ATTRIBUTE_DIRECTORY: DWORD = 0x10;
  71 pub const FILE_ATTRIBUTE_REPARSE_POINT: DWORD = 0x400;
  72
  73 pub const FILE_SHARE_DELETE: DWORD = 0x4;
  74 pub const FILE_SHARE_READ: DWORD = 0x1;
  75 pub const FILE_SHARE_WRITE: DWORD = 0x2;
  76
  77 pub const CREATE_ALWAYS: DWORD = 2;
  78 pub const CREATE_NEW: DWORD = 1;
  79 pub const OPEN_ALWAYS: DWORD = 4;
  80 pub const OPEN_EXISTING: DWORD = 3;
  81 pub const TRUNCATE_EXISTING: DWORD = 5;
  82
  83 pub const FILE_WRITE_DATA: DWORD = 0x00000002;
  84 pub const FILE_APPEND_DATA: DWORD = 0x00000004;
  85 pub const FILE_WRITE_EA: DWORD = 0x00000010;
  86 pub const FILE_WRITE_ATTRIBUTES: DWORD = 0x00000100;
  87 pub const READ_CONTROL: DWORD = 0x00020000;
  88 pub const SYNCHRONIZE: DWORD = 0x00100000;
  89 pub const GENERIC_READ: DWORD = 0x80000000;
  90 pub const GENERIC_WRITE: DWORD = 0x40000000;
  91 pub const STANDARD_RIGHTS_WRITE: DWORD = READ_CONTROL;
  92 pub const FILE_GENERIC_WRITE: DWORD = STANDARD_RIGHTS_WRITE
  93     | FILE_WRITE_DATA
  94     | FILE_WRITE_ATTRIBUTES
  95     | FILE_WRITE_EA
  96     | FILE_APPEND_DATA
  97     | SYNCHRONIZE;
  98
  99 pub const FILE_FLAG_OPEN_REPARSE_POINT: DWORD = 0x00200000;
 100 pub const FILE_FLAG_BACKUP_SEMANTICS: DWORD = 0x02000000;
 101 pub const SECURITY_SQOS_PRESENT: DWORD = 0x00100000;
 102
 103 pub const FIONBIO: c_ulong = 0x8004667e;
 104
 105 #[repr(C)]
 106 #[derive(Copy)]
 107 pub struct WIN32_FIND_DATAW {
 108     pub dwFileAttributes: DWORD,
 109     pub ftCreationTime: FILETIME,
 110     pub ftLastAccessTime: FILETIME,
 111     pub ftLastWriteTime: FILETIME,
 112     pub nFileSizeHigh: DWORD,
 113     pub nFileSizeLow: DWORD,
 114     pub dwReserved0: DWORD,
 115     pub dwReserved1: DWORD,
 116     pub cFileName: [wchar_t; 260], // #define MAX_PATH 260
 117     pub cAlternateFileName: [wchar_t; 14],
 118 }
 119 impl Clone for WIN32_FIND_DATAW {
 120     fn clone(&self) -> Self {
 121         *self
 122     }
 123 }
 124
 125 pub const WSA_FLAG_OVERLAPPED: DWORD = 0x01;
 126 pub const WSA_FLAG_NO_HANDLE_INHERIT: DWORD = 0x80;
 127
 128 pub const WSADESCRIPTION_LEN: usize = 256;
 129 pub const WSASYS_STATUS_LEN: usize = 128;
 130 pub const WSAPROTOCOL_LEN: DWORD = 255;
 131 pub const INVALID_SOCKET: SOCKET = !0;
 132
 133 pub const WSAEACCES: c_int = 10013;
 134 pub const WSAEINVAL: c_int = 10022;
 135 pub const WSAEWOULDBLOCK: c_int = 10035;
 136 pub const WSAEPROTOTYPE: c_int = 10041;
 137 pub const WSAEADDRINUSE: c_int = 10048;
 138 pub const WSAEADDRNOTAVAIL: c_int = 10049;
 139 pub const WSAECONNABORTED: c_int = 10053;
 140 pub const WSAECONNRESET: c_int = 10054;
 141 pub const WSAENOTCONN: c_int = 10057;
 142 pub const WSAESHUTDOWN: c_int = 10058;
 143 pub const WSAETIMEDOUT: c_int = 10060;
 144 pub const WSAECONNREFUSED: c_int = 10061;
 145
 146 pub const MAX_PROTOCOL_CHAIN: DWORD = 7;
 147
 148 pub const MAXIMUM_REPARSE_DATA_BUFFER_SIZE: usize = 16 * 1024;
 149 pub const FSCTL_GET_REPARSE_POINT: DWORD = 0x900a8;
 150 pub const IO_REPARSE_TAG_SYMLINK: DWORD = 0xa000000c;
 151 pub const IO_REPARSE_TAG_MOUNT_POINT: DWORD = 0xa0000003;
 152 pub const SYMLINK_FLAG_RELATIVE: DWORD = 0x00000001;
 153 pub const FSCTL_SET_REPARSE_POINT: DWORD = 0x900a4;
 154
 155 pub const SYMBOLIC_LINK_FLAG_DIRECTORY: DWORD = 0x1;
 156 pub const SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE: DWORD = 0x2;
 157
 158 // Note that these are not actually HANDLEs, just values to pass to GetStdHandle
 159 pub const STD_INPUT_HANDLE: DWORD = -10i32 as DWORD;
 160 pub const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD;
 161 pub const STD_ERROR_HANDLE: DWORD = -12i32 as DWORD;
 162
 163 pub const PROGRESS_CONTINUE: DWORD = 0;
 164
 165 // List of Windows system error codes with descriptions:
 166 // https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes#system-error-codes
 167 pub const ERROR_FILE_NOT_FOUND: DWORD = 2;
 168 pub const ERROR_PATH_NOT_FOUND: DWORD = 3;
 169 pub const ERROR_ACCESS_DENIED: DWORD = 5;
 170 pub const ERROR_INVALID_HANDLE: DWORD = 6;
 171 pub const ERROR_NO_MORE_FILES: DWORD = 18;
 172 pub const ERROR_HANDLE_EOF: DWORD = 38;
 173 pub const ERROR_FILE_EXISTS: DWORD = 80;
 174 pub const ERROR_INVALID_PARAMETER: DWORD = 87;
 175 pub const ERROR_BROKEN_PIPE: DWORD = 109;
 176 pub const ERROR_CALL_NOT_IMPLEMENTED: DWORD = 120;
 177 pub const ERROR_SEM_TIMEOUT: DWORD = 121;
 178 pub const ERROR_INSUFFICIENT_BUFFER: DWORD = 122;
 179 pub const ERROR_ALREADY_EXISTS: DWORD = 183;
 180 pub const ERROR_ENVVAR_NOT_FOUND: DWORD = 203;
 181 pub const ERROR_NO_DATA: DWORD = 232;
 182 pub const ERROR_DRIVER_CANCEL_TIMEOUT: DWORD = 594;
 183 pub const ERROR_OPERATION_ABORTED: DWORD = 995;
 184 pub const ERROR_IO_PENDING: DWORD = 997;
 185 pub const ERROR_SERVICE_REQUEST_TIMEOUT: DWORD = 1053;
 186 pub const ERROR_COUNTER_TIMEOUT: DWORD = 1121;
 187 pub const ERROR_TIMEOUT: DWORD = 1460;
 188 pub const ERROR_RESOURCE_CALL_TIMED_OUT: DWORD = 5910;
 189 pub const ERROR_CTX_MODEM_RESPONSE_TIMEOUT: DWORD = 7012;
 190 pub const ERROR_CTX_CLIENT_QUERY_TIMEOUT: DWORD = 7040;
 191 pub const FRS_ERR_SYSVOL_POPULATE_TIMEOUT: DWORD = 8014;
 192 pub const ERROR_DS_TIMELIMIT_EXCEEDED: DWORD = 8226;
 193 pub const DNS_ERROR_RECORD_TIMED_OUT: DWORD = 9705;
 194 pub const ERROR_IPSEC_IKE_TIMED_OUT: DWORD = 13805;
 195 pub const ERROR_RUNLEVEL_SWITCH_TIMEOUT: DWORD = 15402;
 196 pub const ERROR_RUNLEVEL_SWITCH_AGENT_TIMEOUT: DWORD = 15403;
 197
 198 pub const E_NOTIMPL: HRESULT = 0x80004001u32 as HRESULT;
 199
 200 pub const INVALID_HANDLE_VALUE: HANDLE = !0 as HANDLE;
 201
 202 pub const FACILITY_NT_BIT: DWORD = 0x1000_0000;
 203
 204 pub const FORMAT_MESSAGE_FROM_SYSTEM: DWORD = 0x00001000;
 205 pub const FORMAT_MESSAGE_FROM_HMODULE: DWORD = 0x00000800;
 206 pub const FORMAT_MESSAGE_IGNORE_INSERTS: DWORD = 0x00000200;
 207
 208 pub const TLS_OUT_OF_INDEXES: DWORD = 0xFFFFFFFF;
 209
 210 pub const DLL_THREAD_DETACH: DWORD = 3;
 211 pub const DLL_PROCESS_DETACH: DWORD = 0;
 212
 213 pub const INFINITE: DWORD = !0;
 214
 215 pub const DUPLICATE_SAME_ACCESS: DWORD = 0x00000002;
 216
 217 pub const CONDITION_VARIABLE_INIT: CONDITION_VARIABLE = CONDITION_VARIABLE { ptr: ptr::null_mut() };
 218 pub const SRWLOCK_INIT: SRWLOCK = SRWLOCK { ptr: ptr::null_mut() };
 219
 220 pub const DETACHED_PROCESS: DWORD = 0x00000008;
 221 pub const CREATE_NEW_PROCESS_GROUP: DWORD = 0x00000200;
 222 pub const CREATE_UNICODE_ENVIRONMENT: DWORD = 0x00000400;
 223 pub const STARTF_USESTDHANDLES: DWORD = 0x00000100;
 224
 225 pub const AF_INET: c_int = 2;
 226 pub const AF_INET6: c_int = 23;
 227 pub const SD_BOTH: c_int = 2;
 228 pub const SD_RECEIVE: c_int = 0;
 229 pub const SD_SEND: c_int = 1;
 230 pub const SOCK_DGRAM: c_int = 2;
 231 pub const SOCK_STREAM: c_int = 1;
 232 pub const SOL_SOCKET: c_int = 0xffff;
 233 pub const SO_RCVTIMEO: c_int = 0x1006;
 234 pub const SO_SNDTIMEO: c_int = 0x1005;
 235 pub const IPPROTO_IP: c_int = 0;
 236 pub const IPPROTO_TCP: c_int = 6;
 237 pub const IPPROTO_IPV6: c_int = 41;
 238 pub const TCP_NODELAY: c_int = 0x0001;
 239 pub const IP_TTL: c_int = 4;
 240 pub const IPV6_V6ONLY: c_int = 27;
 241 pub const SO_ERROR: c_int = 0x1007;
 242 pub const SO_BROADCAST: c_int = 0x0020;
 243 pub const IP_MULTICAST_LOOP: c_int = 11;
 244 pub const IPV6_MULTICAST_LOOP: c_int = 11;
 245 pub const IP_MULTICAST_TTL: c_int = 10;
 246 pub const IP_ADD_MEMBERSHIP: c_int = 12;
 247 pub const IP_DROP_MEMBERSHIP: c_int = 13;
 248 pub const IPV6_ADD_MEMBERSHIP: c_int = 12;
 249 pub const IPV6_DROP_MEMBERSHIP: c_int = 13;
 250 pub const MSG_PEEK: c_int = 0x2;
 251
 252 #[repr(C)]
 253 pub struct ip_mreq {
 254     pub imr_multiaddr: in_addr,
 255     pub imr_interface: in_addr,
 256 }
 257
 258 #[repr(C)]
 259 pub struct ipv6_mreq {
 260     pub ipv6mr_multiaddr: in6_addr,
 261     pub ipv6mr_interface: c_uint,
 262 }
 263
 264 pub const VOLUME_NAME_DOS: DWORD = 0x0;
 265 pub const MOVEFILE_REPLACE_EXISTING: DWORD = 1;
 266
 267 pub const FILE_BEGIN: DWORD = 0;
 268 pub const FILE_CURRENT: DWORD = 1;
 269 pub const FILE_END: DWORD = 2;
 270
 271 pub const WAIT_OBJECT_0: DWORD = 0x00000000;
 272 pub const WAIT_TIMEOUT: DWORD = 258;
 273 pub const WAIT_FAILED: DWORD = 0xFFFFFFFF;
 274
 275 pub const PIPE_ACCESS_INBOUND: DWORD = 0x00000001;
 276 pub const PIPE_ACCESS_OUTBOUND: DWORD = 0x00000002;
 277 pub const FILE_FLAG_FIRST_PIPE_INSTANCE: DWORD = 0x00080000;
 278 pub const FILE_FLAG_OVERLAPPED: DWORD = 0x40000000;
 279 pub const PIPE_WAIT: DWORD = 0x00000000;
 280 pub const PIPE_TYPE_BYTE: DWORD = 0x00000000;
 281 pub const PIPE_REJECT_REMOTE_CLIENTS: DWORD = 0x00000008;
 282 pub const PIPE_READMODE_BYTE: DWORD = 0x00000000;
 283
 284 pub const FD_SETSIZE: usize = 64;
 285
 286 pub const STACK_SIZE_PARAM_IS_A_RESERVATION: DWORD = 0x00010000;
 287
 288 pub const HEAP_ZERO_MEMORY: DWORD = 0x00000008;
 289
 290 pub const STATUS_SUCCESS: NTSTATUS = 0x00000000;
 291
 292 #[repr(C)]
 293 #[cfg(not(target_pointer_width = "64"))]
 294 pub struct WSADATA {
 295     pub wVersion: WORD,
 296     pub wHighVersion: WORD,
 297     pub szDescription: [u8; WSADESCRIPTION_LEN + 1],
 298     pub szSystemStatus: [u8; WSASYS_STATUS_LEN + 1],
 299     pub iMaxSockets: u16,
 300     pub iMaxUdpDg: u16,
 301     pub lpVendorInfo: *mut u8,
 302 }
 303 #[repr(C)]
 304 #[cfg(target_pointer_width = "64")]
 305 pub struct WSADATA {
 306     pub wVersion: WORD,
 307     pub wHighVersion: WORD,
 308     pub iMaxSockets: u16,
 309     pub iMaxUdpDg: u16,
 310     pub lpVendorInfo: *mut u8,
 311     pub szDescription: [u8; WSADESCRIPTION_LEN + 1],
 312     pub szSystemStatus: [u8; WSASYS_STATUS_LEN + 1],
 313 }
 314
 315 #[derive(Copy, Clone)]
 316 #[repr(C)]
 317 pub struct WSABUF {
 318     pub len: ULONG,
 319     pub buf: *mut CHAR,
 320 }
 321
 322 #[repr(C)]
 323 pub struct WSAPROTOCOL_INFO {
 324     pub dwServiceFlags1: DWORD,
 325     pub dwServiceFlags2: DWORD,
 326     pub dwServiceFlags3: DWORD,
 327     pub dwServiceFlags4: DWORD,
 328     pub dwProviderFlags: DWORD,
 329     pub ProviderId: GUID,
 330     pub dwCatalogEntryId: DWORD,
 331     pub ProtocolChain: WSAPROTOCOLCHAIN,
 332     pub iVersion: c_int,
 333     pub iAddressFamily: c_int,
 334     pub iMaxSockAddr: c_int,
 335     pub iMinSockAddr: c_int,
 336     pub iSocketType: c_int,
 337     pub iProtocol: c_int,
 338     pub iProtocolMaxOffset: c_int,
 339     pub iNetworkByteOrder: c_int,
 340     pub iSecurityScheme: c_int,
 341     pub dwMessageSize: DWORD,
 342     pub dwProviderReserved: DWORD,
 343     pub szProtocol: [u16; (WSAPROTOCOL_LEN as usize) + 1],
 344 }
 345
 346 #[repr(C)]
 347 #[derive(Copy, Clone)]
 348 pub struct WIN32_FILE_ATTRIBUTE_DATA {
 349     pub dwFileAttributes: DWORD,
 350     pub ftCreationTime: FILETIME,
 351     pub ftLastAccessTime: FILETIME,
 352     pub ftLastWriteTime: FILETIME,
 353     pub nFileSizeHigh: DWORD,
 354     pub nFileSizeLow: DWORD,
 355 }
 356
 357 #[repr(C)]
 358 #[allow(dead_code)] // we only use some variants
 359 pub enum FILE_INFO_BY_HANDLE_CLASS {
 360     FileBasicInfo = 0,
 361     FileStandardInfo = 1,
 362     FileNameInfo = 2,
 363     FileRenameInfo = 3,
 364     FileDispositionInfo = 4,
 365     FileAllocationInfo = 5,
 366     FileEndOfFileInfo = 6,
 367     FileStreamInfo = 7,
 368     FileCompressionInfo = 8,
 369     FileAttributeTagInfo = 9,
 370     FileIdBothDirectoryInfo = 10,        // 0xA
 371     FileIdBothDirectoryRestartInfo = 11, // 0xB
 372     FileIoPriorityHintInfo = 12,         // 0xC
 373     FileRemoteProtocolInfo = 13,         // 0xD
 374     FileFullDirectoryInfo = 14,          // 0xE
 375     FileFullDirectoryRestartInfo = 15,   // 0xF
 376     FileStorageInfo = 16,                // 0x10
 377     FileAlignmentInfo = 17,              // 0x11
 378     FileIdInfo = 18,                     // 0x12
 379     FileIdExtdDirectoryInfo = 19,        // 0x13
 380     FileIdExtdDirectoryRestartInfo = 20, // 0x14
 381     MaximumFileInfoByHandlesClass,
 382 }
 383
 384 #[repr(C)]
 385 pub struct FILE_BASIC_INFO {
 386     pub CreationTime: LARGE_INTEGER,
 387     pub LastAccessTime: LARGE_INTEGER,
 388     pub LastWriteTime: LARGE_INTEGER,
 389     pub ChangeTime: LARGE_INTEGER,
 390     pub FileAttributes: DWORD,
 391 }
 392
 393 #[repr(C)]
 394 pub struct FILE_END_OF_FILE_INFO {
 395     pub EndOfFile: LARGE_INTEGER,
 396 }
 397
 398 #[repr(C)]
 399 pub struct REPARSE_DATA_BUFFER {
 400     pub ReparseTag: c_uint,
 401     pub ReparseDataLength: c_ushort,
 402     pub Reserved: c_ushort,
 403     pub rest: (),
 404 }
 405
 406 #[repr(C)]
 407 pub struct SYMBOLIC_LINK_REPARSE_BUFFER {
 408     pub SubstituteNameOffset: c_ushort,
 409     pub SubstituteNameLength: c_ushort,
 410     pub PrintNameOffset: c_ushort,
 411     pub PrintNameLength: c_ushort,
 412     pub Flags: c_ulong,
 413     pub PathBuffer: WCHAR,
 414 }
 415
 416 #[repr(C)]
 417 pub struct MOUNT_POINT_REPARSE_BUFFER {
 418     pub SubstituteNameOffset: c_ushort,
 419     pub SubstituteNameLength: c_ushort,
 420     pub PrintNameOffset: c_ushort,
 421     pub PrintNameLength: c_ushort,
 422     pub PathBuffer: WCHAR,
 423 }
 424
 425 pub type LPPROGRESS_ROUTINE = crate::option::Option<
 426     unsafe extern "system" fn(
 427         TotalFileSize: LARGE_INTEGER,
 428         TotalBytesTransferred: LARGE_INTEGER,
 429         StreamSize: LARGE_INTEGER,
 430         StreamBytesTransferred: LARGE_INTEGER,
 431         dwStreamNumber: DWORD,
 432         dwCallbackReason: DWORD,
 433         hSourceFile: HANDLE,
 434         hDestinationFile: HANDLE,
 435         lpData: LPVOID,
 436     ) -> DWORD,
 437 >;
 438
 439 #[repr(C)]
 440 pub struct CONDITION_VARIABLE {
 441     pub ptr: LPVOID,
 442 }
 443 #[repr(C)]
 444 pub struct SRWLOCK {
 445     pub ptr: LPVOID,
 446 }
 447 #[repr(C)]
 448 pub struct CRITICAL_SECTION {
 449     CriticalSectionDebug: LPVOID,
 450     LockCount: LONG,
 451     RecursionCount: LONG,
 452     OwningThread: HANDLE,
 453     LockSemaphore: HANDLE,
 454     SpinCount: ULONG_PTR,
 455 }
 456
 457 #[repr(C)]
 458 pub struct REPARSE_MOUNTPOINT_DATA_BUFFER {
 459     pub ReparseTag: DWORD,
 460     pub ReparseDataLength: DWORD,
 461     pub Reserved: WORD,
 462     pub ReparseTargetLength: WORD,
 463     pub ReparseTargetMaximumLength: WORD,
 464     pub Reserved1: WORD,
 465     pub ReparseTarget: WCHAR,
 466 }
 467
 468 #[repr(C)]
 469 pub struct GUID {
 470     pub Data1: DWORD,
 471     pub Data2: WORD,
 472     pub Data3: WORD,
 473     pub Data4: [BYTE; 8],
 474 }
 475
 476 #[repr(C)]
 477 pub struct WSAPROTOCOLCHAIN {
 478     pub ChainLen: c_int,
 479     pub ChainEntries: [DWORD; MAX_PROTOCOL_CHAIN as usize],
 480 }
 481
 482 #[repr(C)]
 483 pub struct SECURITY_ATTRIBUTES {
 484     pub nLength: DWORD,
 485     pub lpSecurityDescriptor: LPVOID,
 486     pub bInheritHandle: BOOL,
 487 }
 488
 489 #[repr(C)]
 490 pub struct PROCESS_INFORMATION {
 491     pub hProcess: HANDLE,
 492     pub hThread: HANDLE,
 493     pub dwProcessId: DWORD,
 494     pub dwThreadId: DWORD,
 495 }
 496
 497 #[repr(C)]
 498 pub struct STARTUPINFO {
 499     pub cb: DWORD,
 500     pub lpReserved: LPWSTR,
 501     pub lpDesktop: LPWSTR,
 502     pub lpTitle: LPWSTR,
 503     pub dwX: DWORD,
 504     pub dwY: DWORD,
 505     pub dwXSize: DWORD,
 506     pub dwYSize: DWORD,
 507     pub dwXCountChars: DWORD,
 508     pub dwYCountCharts: DWORD,
 509     pub dwFillAttribute: DWORD,
 510     pub dwFlags: DWORD,
 511     pub wShowWindow: WORD,
 512     pub cbReserved2: WORD,
 513     pub lpReserved2: LPBYTE,
 514     pub hStdInput: HANDLE,
 515     pub hStdOutput: HANDLE,
 516     pub hStdError: HANDLE,
 517 }
 518
 519 #[repr(C)]
 520 pub struct SOCKADDR {
 521     pub sa_family: ADDRESS_FAMILY,
 522     pub sa_data: [CHAR; 14],
 523 }
 524
 525 #[repr(C)]
 526 #[derive(Copy, Clone)]
 527 pub struct FILETIME {
 528     pub dwLowDateTime: DWORD,
 529     pub dwHighDateTime: DWORD,
 530 }
 531
 532 #[repr(C)]
 533 pub struct OVERLAPPED {
 534     pub Internal: *mut c_ulong,
 535     pub InternalHigh: *mut c_ulong,
 536     pub Offset: DWORD,
 537     pub OffsetHigh: DWORD,
 538     pub hEvent: HANDLE,
 539 }
 540
 541 #[repr(C)]
 542 #[allow(dead_code)] // we only use some variants
 543 pub enum ADDRESS_MODE {
 544     AddrMode1616,
 545     AddrMode1632,
 546     AddrModeReal,
 547     AddrModeFlat,
 548 }
 549
 550 #[repr(C)]
 551 pub struct SOCKADDR_STORAGE_LH {
 552     pub ss_family: ADDRESS_FAMILY,
 553     pub __ss_pad1: [CHAR; 6],
 554     pub __ss_align: i64,
 555     pub __ss_pad2: [CHAR; 112],
 556 }
 557
 558 #[repr(C)]
 559 pub struct ADDRINFOA {
 560     pub ai_flags: c_int,
 561     pub ai_family: c_int,
 562     pub ai_socktype: c_int,
 563     pub ai_protocol: c_int,
 564     pub ai_addrlen: size_t,
 565     pub ai_canonname: *mut c_char,
 566     pub ai_addr: *mut SOCKADDR,
 567     pub ai_next: *mut ADDRINFOA,
 568 }
 569
 570 #[repr(C)]
 571 #[derive(Copy, Clone)]
 572 pub struct sockaddr_in {
 573     pub sin_family: ADDRESS_FAMILY,
 574     pub sin_port: USHORT,
 575     pub sin_addr: in_addr,
 576     pub sin_zero: [CHAR; 8],
 577 }
 578
 579 #[repr(C)]
 580 #[derive(Copy, Clone)]
 581 pub struct sockaddr_in6 {
 582     pub sin6_family: ADDRESS_FAMILY,
 583     pub sin6_port: USHORT,
 584     pub sin6_flowinfo: c_ulong,
 585     pub sin6_addr: in6_addr,
 586     pub sin6_scope_id: c_ulong,
 587 }
 588
 589 #[repr(C)]
 590 #[derive(Copy, Clone)]
 591 pub struct in_addr {
 592     pub s_addr: u32,
 593 }
 594
 595 #[repr(C)]
 596 #[derive(Copy, Clone)]
 597 pub struct in6_addr {
 598     pub s6_addr: [u8; 16],
 599 }
 600
 601 #[repr(C)]
 602 #[derive(Copy, Clone)]
 603 #[allow(dead_code)] // we only use some variants
 604 pub enum EXCEPTION_DISPOSITION {
 605     ExceptionContinueExecution,
 606     ExceptionContinueSearch,
 607     ExceptionNestedException,
 608     ExceptionCollidedUnwind,
 609 }
 610
 611 #[repr(C)]
 612 #[derive(Copy)]
 613 pub struct fd_set {
 614     pub fd_count: c_uint,
 615     pub fd_array: [SOCKET; FD_SETSIZE],
 616 }
 617
 618 impl Clone for fd_set {
 619     fn clone(&self) -> fd_set {
 620         *self
 621     }
 622 }
 623
 624 #[repr(C)]
 625 #[derive(Copy, Clone)]
 626 pub struct timeval {
 627     pub tv_sec: c_long,
 628     pub tv_usec: c_long,
 629 }
 630
 631 // Functions forbidden when targeting UWP
 632 cfg_if::cfg_if! {
 633 if #[cfg(not(target_vendor = "uwp"))] {
 634     pub const EXCEPTION_CONTINUE_SEARCH: LONG = 0;
 635     pub const EXCEPTION_STACK_OVERFLOW: DWORD = 0xc00000fd;
 636     pub const EXCEPTION_MAXIMUM_PARAMETERS: usize = 15;
 637
 638     #[repr(C)]
 639     pub struct EXCEPTION_RECORD {
 640         pub ExceptionCode: DWORD,
 641         pub ExceptionFlags: DWORD,
 642         pub ExceptionRecord: *mut EXCEPTION_RECORD,
 643         pub ExceptionAddress: LPVOID,
 644         pub NumberParameters: DWORD,
 645         pub ExceptionInformation: [LPVOID; EXCEPTION_MAXIMUM_PARAMETERS]
 646     }
 647
 648     pub enum CONTEXT {}
 649
 650     #[repr(C)]
 651     pub struct EXCEPTION_POINTERS {
 652         pub ExceptionRecord: *mut EXCEPTION_RECORD,
 653         pub ContextRecord: *mut CONTEXT,
 654     }
 655
 656     pub type PVECTORED_EXCEPTION_HANDLER = extern "system"
 657             fn(ExceptionInfo: *mut EXCEPTION_POINTERS) -> LONG;
 658
 659     #[repr(C)]
 660     #[derive(Copy, Clone)]
 661     pub struct CONSOLE_READCONSOLE_CONTROL {
 662         pub nLength: ULONG,
 663         pub nInitialChars: ULONG,
 664         pub dwCtrlWakeupMask: ULONG,
 665         pub dwControlKeyState: ULONG,
 666     }
 667
 668     pub type PCONSOLE_READCONSOLE_CONTROL = *mut CONSOLE_READCONSOLE_CONTROL;
 669
 670     #[repr(C)]
 671     pub struct BY_HANDLE_FILE_INFORMATION {
 672         pub dwFileAttributes: DWORD,
 673         pub ftCreationTime: FILETIME,
 674         pub ftLastAccessTime: FILETIME,
 675         pub ftLastWriteTime: FILETIME,
 676         pub dwVolumeSerialNumber: DWORD,
 677         pub nFileSizeHigh: DWORD,
 678         pub nFileSizeLow: DWORD,
 679         pub nNumberOfLinks: DWORD,
 680         pub nFileIndexHigh: DWORD,
 681         pub nFileIndexLow: DWORD,
 682     }
 683
 684     pub type LPBY_HANDLE_FILE_INFORMATION = *mut BY_HANDLE_FILE_INFORMATION;
 685     pub type LPCVOID = *const c_void;
 686
 687     pub const HANDLE_FLAG_INHERIT: DWORD = 0x00000001;
 688
 689     pub const TOKEN_READ: DWORD = 0x20008;
 690
 691     extern "system" {
 692         #[link_name = "SystemFunction036"]
 693         pub fn RtlGenRandom(RandomBuffer: *mut u8, RandomBufferLength: ULONG) -> BOOLEAN;
 694
 695         pub fn ReadConsoleW(hConsoleInput: HANDLE,
 696                             lpBuffer: LPVOID,
 697                             nNumberOfCharsToRead: DWORD,
 698                             lpNumberOfCharsRead: LPDWORD,
 699                             pInputControl: PCONSOLE_READCONSOLE_CONTROL) -> BOOL;
 700
 701         pub fn WriteConsoleW(hConsoleOutput: HANDLE,
 702                              lpBuffer: LPCVOID,
 703                              nNumberOfCharsToWrite: DWORD,
 704                              lpNumberOfCharsWritten: LPDWORD,
 705                              lpReserved: LPVOID) -> BOOL;
 706
 707         pub fn GetConsoleMode(hConsoleHandle: HANDLE,
 708                               lpMode: LPDWORD) -> BOOL;
 709         // Allowed but unused by UWP
 710         pub fn OpenProcessToken(ProcessHandle: HANDLE,
 711                                 DesiredAccess: DWORD,
 712                                 TokenHandle: *mut HANDLE) -> BOOL;
 713         pub fn GetUserProfileDirectoryW(hToken: HANDLE,
 714                                         lpProfileDir: LPWSTR,
 715                                         lpcchSize: *mut DWORD) -> BOOL;
 716         pub fn GetFileInformationByHandle(hFile: HANDLE,
 717                             lpFileInformation: LPBY_HANDLE_FILE_INFORMATION)
 718                             -> BOOL;
 719         pub fn SetHandleInformation(hObject: HANDLE,
 720                                     dwMask: DWORD,
 721                                     dwFlags: DWORD) -> BOOL;
 722         pub fn AddVectoredExceptionHandler(FirstHandler: ULONG,
 723                                            VectoredHandler: PVECTORED_EXCEPTION_HANDLER)
 724                                            -> LPVOID;
 725         pub fn CreateHardLinkW(lpSymlinkFileName: LPCWSTR,
 726                                lpTargetFileName: LPCWSTR,
 727                                lpSecurityAttributes: LPSECURITY_ATTRIBUTES)
 728                                -> BOOL;
 729     }
 730 }
 731 }
 732
 733 // UWP specific functions & types
 734 cfg_if::cfg_if! {
 735 if #[cfg(target_vendor = "uwp")] {
 736     pub const BCRYPT_USE_SYSTEM_PREFERRED_RNG: DWORD = 0x00000002;
 737
 738     #[repr(C)]
 739     pub struct FILE_STANDARD_INFO {
 740         pub AllocationSize: LARGE_INTEGER,
 741         pub EndOfFile: LARGE_INTEGER,
 742         pub NumberOfLinks: DWORD,
 743         pub DeletePending: BOOLEAN,
 744         pub Directory: BOOLEAN,
 745     }
 746
 747     extern "system" {
 748         pub fn GetFileInformationByHandleEx(hFile: HANDLE,
 749                                             fileInfoClass: FILE_INFO_BY_HANDLE_CLASS,
 750                                             lpFileInformation: LPVOID,
 751                                             dwBufferSize: DWORD) -> BOOL;
 752         pub fn BCryptGenRandom(hAlgorithm: LPVOID, pBuffer: *mut u8,
 753                                cbBuffer: ULONG, dwFlags: ULONG) -> LONG;
 754     }
 755 }
 756 }
 757
 758 // Shared between Desktop & UWP
 759 extern "system" {
 760     pub fn WSAStartup(wVersionRequested: WORD, lpWSAData: LPWSADATA) -> c_int;
 761     pub fn WSACleanup() -> c_int;
 762     pub fn WSAGetLastError() -> c_int;
 763     pub fn WSADuplicateSocketW(
 764         s: SOCKET,
 765         dwProcessId: DWORD,
 766         lpProtocolInfo: LPWSAPROTOCOL_INFO,
 767     ) -> c_int;
 768     pub fn WSASend(
 769         s: SOCKET,
 770         lpBuffers: LPWSABUF,
 771         dwBufferCount: DWORD,
 772         lpNumberOfBytesSent: LPDWORD,
 773         dwFlags: DWORD,
 774         lpOverlapped: LPWSAOVERLAPPED,
 775         lpCompletionRoutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE,
 776     ) -> c_int;
 777     pub fn WSARecv(
 778         s: SOCKET,
 779         lpBuffers: LPWSABUF,
 780         dwBufferCount: DWORD,
 781         lpNumberOfBytesRecvd: LPDWORD,
 782         lpFlags: LPDWORD,
 783         lpOverlapped: LPWSAOVERLAPPED,
 784         lpCompletionRoutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE,
 785     ) -> c_int;
 786     pub fn GetCurrentProcessId() -> DWORD;
 787     pub fn WSASocketW(
 788         af: c_int,
 789         kind: c_int,
 790         protocol: c_int,
 791         lpProtocolInfo: LPWSAPROTOCOL_INFO,
 792         g: GROUP,
 793         dwFlags: DWORD,
 794     ) -> SOCKET;
 795     pub fn ioctlsocket(s: SOCKET, cmd: c_long, argp: *mut c_ulong) -> c_int;
 796     pub fn InitializeCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
 797     pub fn EnterCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
 798     pub fn TryEnterCriticalSection(CriticalSection: *mut CRITICAL_SECTION) -> BOOL;
 799     pub fn LeaveCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
 800     pub fn DeleteCriticalSection(CriticalSection: *mut CRITICAL_SECTION);
 801
 802     pub fn RemoveDirectoryW(lpPathName: LPCWSTR) -> BOOL;
 803     pub fn SetFileAttributesW(lpFileName: LPCWSTR, dwFileAttributes: DWORD) -> BOOL;
 804     pub fn SetLastError(dwErrCode: DWORD);
 805     pub fn GetCommandLineW() -> *mut LPCWSTR;
 806     pub fn GetTempPathW(nBufferLength: DWORD, lpBuffer: LPCWSTR) -> DWORD;
 807     pub fn GetCurrentProcess() -> HANDLE;
 808     pub fn GetCurrentThread() -> HANDLE;
 809     pub fn GetStdHandle(which: DWORD) -> HANDLE;
 810     pub fn ExitProcess(uExitCode: c_uint) -> !;
 811     pub fn DeviceIoControl(
 812         hDevice: HANDLE,
 813         dwIoControlCode: DWORD,
 814         lpInBuffer: LPVOID,
 815         nInBufferSize: DWORD,
 816         lpOutBuffer: LPVOID,
 817         nOutBufferSize: DWORD,
 818         lpBytesReturned: LPDWORD,
 819         lpOverlapped: LPOVERLAPPED,
 820     ) -> BOOL;
 821     pub fn CreateThread(
 822         lpThreadAttributes: LPSECURITY_ATTRIBUTES,
 823         dwStackSize: SIZE_T,
 824         lpStartAddress: extern "system" fn(*mut c_void) -> DWORD,
 825         lpParameter: LPVOID,
 826         dwCreationFlags: DWORD,
 827         lpThreadId: LPDWORD,
 828     ) -> HANDLE;
 829     pub fn WaitForSingleObject(hHandle: HANDLE, dwMilliseconds: DWORD) -> DWORD;
 830     pub fn SwitchToThread() -> BOOL;
 831     pub fn Sleep(dwMilliseconds: DWORD);
 832     pub fn GetProcessId(handle: HANDLE) -> DWORD;
 833     pub fn CopyFileExW(
 834         lpExistingFileName: LPCWSTR,
 835         lpNewFileName: LPCWSTR,
 836         lpProgressRoutine: LPPROGRESS_ROUTINE,
 837         lpData: LPVOID,
 838         pbCancel: LPBOOL,
 839         dwCopyFlags: DWORD,
 840     ) -> BOOL;
 841     pub fn FormatMessageW(
 842         flags: DWORD,
 843         lpSrc: LPVOID,
 844         msgId: DWORD,
 845         langId: DWORD,
 846         buf: LPWSTR,
 847         nsize: DWORD,
 848         args: *const c_void,
 849     ) -> DWORD;
 850     pub fn TlsAlloc() -> DWORD;
 851     pub fn TlsGetValue(dwTlsIndex: DWORD) -> LPVOID;
 852     pub fn TlsSetValue(dwTlsIndex: DWORD, lpTlsvalue: LPVOID) -> BOOL;
 853     pub fn GetLastError() -> DWORD;
 854     pub fn QueryPerformanceFrequency(lpFrequency: *mut LARGE_INTEGER) -> BOOL;
 855     pub fn QueryPerformanceCounter(lpPerformanceCount: *mut LARGE_INTEGER) -> BOOL;
 856     pub fn GetExitCodeProcess(hProcess: HANDLE, lpExitCode: LPDWORD) -> BOOL;
 857     pub fn TerminateProcess(hProcess: HANDLE, uExitCode: UINT) -> BOOL;
 858     pub fn CreateProcessW(
 859         lpApplicationName: LPCWSTR,
 860         lpCommandLine: LPWSTR,
 861         lpProcessAttributes: LPSECURITY_ATTRIBUTES,
 862         lpThreadAttributes: LPSECURITY_ATTRIBUTES,
 863         bInheritHandles: BOOL,
 864         dwCreationFlags: DWORD,
 865         lpEnvironment: LPVOID,
 866         lpCurrentDirectory: LPCWSTR,
 867         lpStartupInfo: LPSTARTUPINFO,
 868         lpProcessInformation: LPPROCESS_INFORMATION,
 869     ) -> BOOL;
 870     pub fn GetEnvironmentVariableW(n: LPCWSTR, v: LPWSTR, nsize: DWORD) -> DWORD;
 871     pub fn SetEnvironmentVariableW(n: LPCWSTR, v: LPCWSTR) -> BOOL;
 872     pub fn GetEnvironmentStringsW() -> LPWCH;
 873     pub fn FreeEnvironmentStringsW(env_ptr: LPWCH) -> BOOL;
 874     pub fn GetModuleFileNameW(hModule: HMODULE, lpFilename: LPWSTR, nSize: DWORD) -> DWORD;
 875     pub fn CreateDirectoryW(
 876         lpPathName: LPCWSTR,
 877         lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
 878     ) -> BOOL;
 879     pub fn DeleteFileW(lpPathName: LPCWSTR) -> BOOL;
 880     pub fn GetCurrentDirectoryW(nBufferLength: DWORD, lpBuffer: LPWSTR) -> DWORD;
 881     pub fn SetCurrentDirectoryW(lpPathName: LPCWSTR) -> BOOL;
 882
 883     pub fn closesocket(socket: SOCKET) -> c_int;
 884     pub fn recv(socket: SOCKET, buf: *mut c_void, len: c_int, flags: c_int) -> c_int;
 885     pub fn send(socket: SOCKET, buf: *const c_void, len: c_int, flags: c_int) -> c_int;
 886     pub fn recvfrom(
 887         socket: SOCKET,
 888         buf: *mut c_void,
 889         len: c_int,
 890         flags: c_int,
 891         addr: *mut SOCKADDR,
 892         addrlen: *mut c_int,
 893     ) -> c_int;
 894     pub fn sendto(
 895         socket: SOCKET,
 896         buf: *const c_void,
 897         len: c_int,
 898         flags: c_int,
 899         addr: *const SOCKADDR,
 900         addrlen: c_int,
 901     ) -> c_int;
 902     pub fn shutdown(socket: SOCKET, how: c_int) -> c_int;
 903     pub fn accept(socket: SOCKET, address: *mut SOCKADDR, address_len: *mut c_int) -> SOCKET;
 904     pub fn DuplicateHandle(
 905         hSourceProcessHandle: HANDLE,
 906         hSourceHandle: HANDLE,
 907         hTargetProcessHandle: HANDLE,
 908         lpTargetHandle: LPHANDLE,
 909         dwDesiredAccess: DWORD,
 910         bInheritHandle: BOOL,
 911         dwOptions: DWORD,
 912     ) -> BOOL;
 913     pub fn ReadFile(
 914         hFile: HANDLE,
 915         lpBuffer: LPVOID,
 916         nNumberOfBytesToRead: DWORD,
 917         lpNumberOfBytesRead: LPDWORD,
 918         lpOverlapped: LPOVERLAPPED,
 919     ) -> BOOL;
 920     pub fn WriteFile(
 921         hFile: HANDLE,
 922         lpBuffer: LPVOID,
 923         nNumberOfBytesToWrite: DWORD,
 924         lpNumberOfBytesWritten: LPDWORD,
 925         lpOverlapped: LPOVERLAPPED,
 926     ) -> BOOL;
 927     pub fn CloseHandle(hObject: HANDLE) -> BOOL;
 928     pub fn MoveFileExW(lpExistingFileName: LPCWSTR, lpNewFileName: LPCWSTR, dwFlags: DWORD)
 929     -> BOOL;
 930     pub fn SetFilePointerEx(
 931         hFile: HANDLE,
 932         liDistanceToMove: LARGE_INTEGER,
 933         lpNewFilePointer: PLARGE_INTEGER,
 934         dwMoveMethod: DWORD,
 935     ) -> BOOL;
 936     pub fn FlushFileBuffers(hFile: HANDLE) -> BOOL;
 937     pub fn CreateFileW(
 938         lpFileName: LPCWSTR,
 939         dwDesiredAccess: DWORD,
 940         dwShareMode: DWORD,
 941         lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
 942         dwCreationDisposition: DWORD,
 943         dwFlagsAndAttributes: DWORD,
 944         hTemplateFile: HANDLE,
 945     ) -> HANDLE;
 946
 947     pub fn FindFirstFileW(fileName: LPCWSTR, findFileData: LPWIN32_FIND_DATAW) -> HANDLE;
 948     pub fn FindNextFileW(findFile: HANDLE, findFileData: LPWIN32_FIND_DATAW) -> BOOL;
 949     pub fn FindClose(findFile: HANDLE) -> BOOL;
 950     pub fn getsockopt(
 951         s: SOCKET,
 952         level: c_int,
 953         optname: c_int,
 954         optval: *mut c_char,
 955         optlen: *mut c_int,
 956     ) -> c_int;
 957     pub fn setsockopt(
 958         s: SOCKET,
 959         level: c_int,
 960         optname: c_int,
 961         optval: *const c_void,
 962         optlen: c_int,
 963     ) -> c_int;
 964     pub fn getsockname(socket: SOCKET, address: *mut SOCKADDR, address_len: *mut c_int) -> c_int;
 965     pub fn getpeername(socket: SOCKET, address: *mut SOCKADDR, address_len: *mut c_int) -> c_int;
 966     pub fn bind(socket: SOCKET, address: *const SOCKADDR, address_len: socklen_t) -> c_int;
 967     pub fn listen(socket: SOCKET, backlog: c_int) -> c_int;
 968     pub fn connect(socket: SOCKET, address: *const SOCKADDR, len: c_int) -> c_int;
 969     pub fn getaddrinfo(
 970         node: *const c_char,
 971         service: *const c_char,
 972         hints: *const ADDRINFOA,
 973         res: *mut *mut ADDRINFOA,
 974     ) -> c_int;
 975     pub fn freeaddrinfo(res: *mut ADDRINFOA);
 976
 977     pub fn GetProcAddress(handle: HMODULE, name: LPCSTR) -> *mut c_void;
 978     pub fn GetModuleHandleW(lpModuleName: LPCWSTR) -> HMODULE;
 979
 980     pub fn GetSystemTimeAsFileTime(lpSystemTimeAsFileTime: LPFILETIME);
 981
 982     pub fn CreateEventW(
 983         lpEventAttributes: LPSECURITY_ATTRIBUTES,
 984         bManualReset: BOOL,
 985         bInitialState: BOOL,
 986         lpName: LPCWSTR,
 987     ) -> HANDLE;
 988     pub fn WaitForMultipleObjects(
 989         nCount: DWORD,
 990         lpHandles: *const HANDLE,
 991         bWaitAll: BOOL,
 992         dwMilliseconds: DWORD,
 993     ) -> DWORD;
 994     pub fn CreateNamedPipeW(
 995         lpName: LPCWSTR,
 996         dwOpenMode: DWORD,
 997         dwPipeMode: DWORD,
 998         nMaxInstances: DWORD,
 999         nOutBufferSize: DWORD,
1000         nInBufferSize: DWORD,
1001         nDefaultTimeOut: DWORD,
1002         lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
1003     ) -> HANDLE;
1004     pub fn CancelIo(handle: HANDLE) -> BOOL;
1005     pub fn GetOverlappedResult(
1006         hFile: HANDLE,
1007         lpOverlapped: LPOVERLAPPED,
1008         lpNumberOfBytesTransferred: LPDWORD,
1009         bWait: BOOL,
1010     ) -> BOOL;
1011     pub fn select(
1012         nfds: c_int,
1013         readfds: *mut fd_set,
1014         writefds: *mut fd_set,
1015         exceptfds: *mut fd_set,
1016         timeout: *const timeval,
1017     ) -> c_int;
1018
1019     pub fn GetProcessHeap() -> HANDLE;
1020     pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID;
1021     pub fn HeapReAlloc(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID, dwBytes: SIZE_T) -> LPVOID;
1022     pub fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL;
1023 }
1024
1025 // Functions that aren't available on every version of Windows that we support,
1026 // but we still use them and just provide some form of a fallback implementation.
1027 compat_fn! {
1028     "kernel32":
1029
1030     pub fn CreateSymbolicLinkW(_lpSymlinkFileName: LPCWSTR,
1031                                _lpTargetFileName: LPCWSTR,
1032                                _dwFlags: DWORD) -> BOOLEAN {
1033         SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
1034     }
1035     pub fn GetFinalPathNameByHandleW(_hFile: HANDLE,
1036                                      _lpszFilePath: LPCWSTR,
1037                                      _cchFilePath: DWORD,
1038                                      _dwFlags: DWORD) -> DWORD {
1039         SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
1040     }
1041     #[cfg(not(target_vendor = "uwp"))]
1042     pub fn SetThreadStackGuarantee(_size: *mut c_ulong) -> BOOL {
1043         SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
1044     }
1045     pub fn SetThreadDescription(hThread: HANDLE,
1046                                 lpThreadDescription: LPCWSTR) -> HRESULT {
1047         SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); E_NOTIMPL
1048     }
1049     pub fn SetFileInformationByHandle(_hFile: HANDLE,
1050                     _FileInformationClass: FILE_INFO_BY_HANDLE_CLASS,
1051                     _lpFileInformation: LPVOID,
1052                     _dwBufferSize: DWORD) -> BOOL {
1053         SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0
1054     }
1055     pub fn GetSystemTimePreciseAsFileTime(lpSystemTimeAsFileTime: LPFILETIME)
1056                                           -> () {
1057         GetSystemTimeAsFileTime(lpSystemTimeAsFileTime)
1058     }
1059     pub fn SleepConditionVariableSRW(ConditionVariable: PCONDITION_VARIABLE,
1060                                      SRWLock: PSRWLOCK,
1061                                      dwMilliseconds: DWORD,
1062                                      Flags: ULONG) -> BOOL {
1063         panic!("condition variables not available")
1064     }
1065     pub fn WakeConditionVariable(ConditionVariable: PCONDITION_VARIABLE)
1066                                  -> () {
1067         panic!("condition variables not available")
1068     }
1069     pub fn WakeAllConditionVariable(ConditionVariable: PCONDITION_VARIABLE)
1070                                     -> () {
1071         panic!("condition variables not available")
1072     }
1073     pub fn AcquireSRWLockExclusive(SRWLock: PSRWLOCK) -> () {
1074         panic!("rwlocks not available")
1075     }
1076     pub fn AcquireSRWLockShared(SRWLock: PSRWLOCK) -> () {
1077         panic!("rwlocks not available")
1078     }
1079     pub fn ReleaseSRWLockExclusive(SRWLock: PSRWLOCK) -> () {
1080         panic!("rwlocks not available")
1081     }
1082     pub fn ReleaseSRWLockShared(SRWLock: PSRWLOCK) -> () {
1083         panic!("rwlocks not available")
1084     }
1085     pub fn TryAcquireSRWLockExclusive(SRWLock: PSRWLOCK) -> BOOLEAN {
1086         panic!("rwlocks not available")
1087     }
1088     pub fn TryAcquireSRWLockShared(SRWLock: PSRWLOCK) -> BOOLEAN {
1089         panic!("rwlocks not available")
1090     }
1091 }
1092 compat_fn! {
1093     "api-ms-win-core-synch-l1-2-0":
1094     pub fn WaitOnAddress(
1095         Address: LPVOID,
1096         CompareAddress: LPVOID,
1097         AddressSize: SIZE_T,
1098         dwMilliseconds: DWORD
1099     ) -> BOOL {
1100         panic!("WaitOnAddress not available")
1101     }
1102     pub fn WakeByAddressSingle(Address: LPVOID) -> () {
1103         // If this api is unavailable, there cannot be anything waiting, because
1104         // WaitOnAddress would've panicked. So it's fine to do nothing here.
1105     }
1106 }
1107
1108 compat_fn! {
1109     "ntdll":
1110     pub fn NtCreateKeyedEvent(
1111         KeyedEventHandle: LPHANDLE,
1112         DesiredAccess: ACCESS_MASK,
1113         ObjectAttributes: LPVOID,
1114         Flags: ULONG
1115     ) -> NTSTATUS {
1116         panic!("keyed events not available")
1117     }
1118     pub fn NtReleaseKeyedEvent(
1119         EventHandle: HANDLE,
1120         Key: LPVOID,
1121         Alertable: BOOLEAN,
1122         Timeout: PLARGE_INTEGER
1123     ) -> NTSTATUS {
1124         panic!("keyed events not available")
1125     }
1126     pub fn NtWaitForKeyedEvent(
1127         EventHandle: HANDLE,
1128         Key: LPVOID,
1129         Alertable: BOOLEAN,
1130         Timeout: PLARGE_INTEGER
1131     ) -> NTSTATUS {
1132         panic!("keyed events not available")
1133     }
1134 }