a geicko-2 based round robin ranking system designed to test c++ battleship submissions
battleship.dunkirk.sh
dunkirk.sh
1// Copyright 2009 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// Windows system calls.
6
7package windows
8
9import (
10 errorspkg "errors"
11 "fmt"
12 "runtime"
13 "sync"
14 "syscall"
15 "time"
16 "unicode/utf16"
17 "unsafe"
18)
19
20type (
21 Handle uintptr
22 HWND uintptr
23)
24
25const (
26 InvalidHandle = ^Handle(0)
27 InvalidHWND = ^HWND(0)
28
29 // Flags for DefineDosDevice.
30 DDD_EXACT_MATCH_ON_REMOVE = 0x00000004
31 DDD_NO_BROADCAST_SYSTEM = 0x00000008
32 DDD_RAW_TARGET_PATH = 0x00000001
33 DDD_REMOVE_DEFINITION = 0x00000002
34
35 // Return values for GetDriveType.
36 DRIVE_UNKNOWN = 0
37 DRIVE_NO_ROOT_DIR = 1
38 DRIVE_REMOVABLE = 2
39 DRIVE_FIXED = 3
40 DRIVE_REMOTE = 4
41 DRIVE_CDROM = 5
42 DRIVE_RAMDISK = 6
43
44 // File system flags from GetVolumeInformation and GetVolumeInformationByHandle.
45 FILE_CASE_SENSITIVE_SEARCH = 0x00000001
46 FILE_CASE_PRESERVED_NAMES = 0x00000002
47 FILE_FILE_COMPRESSION = 0x00000010
48 FILE_DAX_VOLUME = 0x20000000
49 FILE_NAMED_STREAMS = 0x00040000
50 FILE_PERSISTENT_ACLS = 0x00000008
51 FILE_READ_ONLY_VOLUME = 0x00080000
52 FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000
53 FILE_SUPPORTS_ENCRYPTION = 0x00020000
54 FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000
55 FILE_SUPPORTS_HARD_LINKS = 0x00400000
56 FILE_SUPPORTS_OBJECT_IDS = 0x00010000
57 FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000
58 FILE_SUPPORTS_REPARSE_POINTS = 0x00000080
59 FILE_SUPPORTS_SPARSE_FILES = 0x00000040
60 FILE_SUPPORTS_TRANSACTIONS = 0x00200000
61 FILE_SUPPORTS_USN_JOURNAL = 0x02000000
62 FILE_UNICODE_ON_DISK = 0x00000004
63 FILE_VOLUME_IS_COMPRESSED = 0x00008000
64 FILE_VOLUME_QUOTAS = 0x00000020
65
66 // Flags for LockFileEx.
67 LOCKFILE_FAIL_IMMEDIATELY = 0x00000001
68 LOCKFILE_EXCLUSIVE_LOCK = 0x00000002
69
70 // Return value of SleepEx and other APC functions
71 WAIT_IO_COMPLETION = 0x000000C0
72)
73
74// StringToUTF16 is deprecated. Use UTF16FromString instead.
75// If s contains a NUL byte this function panics instead of
76// returning an error.
77func StringToUTF16(s string) []uint16 {
78 a, err := UTF16FromString(s)
79 if err != nil {
80 panic("windows: string with NUL passed to StringToUTF16")
81 }
82 return a
83}
84
85// UTF16FromString returns the UTF-16 encoding of the UTF-8 string
86// s, with a terminating NUL added. If s contains a NUL byte at any
87// location, it returns (nil, syscall.EINVAL).
88func UTF16FromString(s string) ([]uint16, error) {
89 return syscall.UTF16FromString(s)
90}
91
92// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s,
93// with a terminating NUL and any bytes after the NUL removed.
94func UTF16ToString(s []uint16) string {
95 return syscall.UTF16ToString(s)
96}
97
98// StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead.
99// If s contains a NUL byte this function panics instead of
100// returning an error.
101func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] }
102
103// UTF16PtrFromString returns pointer to the UTF-16 encoding of
104// the UTF-8 string s, with a terminating NUL added. If s
105// contains a NUL byte at any location, it returns (nil, syscall.EINVAL).
106func UTF16PtrFromString(s string) (*uint16, error) {
107 a, err := UTF16FromString(s)
108 if err != nil {
109 return nil, err
110 }
111 return &a[0], nil
112}
113
114// UTF16PtrToString takes a pointer to a UTF-16 sequence and returns the corresponding UTF-8 encoded string.
115// If the pointer is nil, it returns the empty string. It assumes that the UTF-16 sequence is terminated
116// at a zero word; if the zero word is not present, the program may crash.
117func UTF16PtrToString(p *uint16) string {
118 if p == nil {
119 return ""
120 }
121 if *p == 0 {
122 return ""
123 }
124
125 // Find NUL terminator.
126 n := 0
127 for ptr := unsafe.Pointer(p); *(*uint16)(ptr) != 0; n++ {
128 ptr = unsafe.Pointer(uintptr(ptr) + unsafe.Sizeof(*p))
129 }
130 return UTF16ToString(unsafe.Slice(p, n))
131}
132
133func Getpagesize() int { return 4096 }
134
135// NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention.
136// This is useful when interoperating with Windows code requiring callbacks.
137// The argument is expected to be a function with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
138func NewCallback(fn interface{}) uintptr {
139 return syscall.NewCallback(fn)
140}
141
142// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
143// This is useful when interoperating with Windows code requiring callbacks.
144// The argument is expected to be a function with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
145func NewCallbackCDecl(fn interface{}) uintptr {
146 return syscall.NewCallbackCDecl(fn)
147}
148
149// windows api calls
150
151//sys GetLastError() (lasterr error)
152//sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
153//sys LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW
154//sys FreeLibrary(handle Handle) (err error)
155//sys GetProcAddress(module Handle, procname string) (proc uintptr, err error)
156//sys GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) = kernel32.GetModuleFileNameW
157//sys GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err error) = kernel32.GetModuleHandleExW
158//sys SetDefaultDllDirectories(directoryFlags uint32) (err error)
159//sys AddDllDirectory(path *uint16) (cookie uintptr, err error) = kernel32.AddDllDirectory
160//sys RemoveDllDirectory(cookie uintptr) (err error) = kernel32.RemoveDllDirectory
161//sys SetDllDirectory(path string) (err error) = kernel32.SetDllDirectoryW
162//sys GetVersion() (ver uint32, err error)
163//sys FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW
164//sys ExitProcess(exitcode uint32)
165//sys IsWow64Process(handle Handle, isWow64 *bool) (err error) = IsWow64Process
166//sys IsWow64Process2(handle Handle, processMachine *uint16, nativeMachine *uint16) (err error) = IsWow64Process2?
167//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile Handle) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW
168//sys CreateNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *SecurityAttributes) (handle Handle, err error) [failretval==InvalidHandle] = CreateNamedPipeW
169//sys ConnectNamedPipe(pipe Handle, overlapped *Overlapped) (err error)
170//sys DisconnectNamedPipe(pipe Handle) (err error)
171//sys GetNamedPipeClientProcessId(pipe Handle, clientProcessID *uint32) (err error)
172//sys GetNamedPipeServerProcessId(pipe Handle, serverProcessID *uint32) (err error)
173//sys GetNamedPipeInfo(pipe Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error)
174//sys GetNamedPipeHandleState(pipe Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
175//sys SetNamedPipeHandleState(pipe Handle, state *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32) (err error) = SetNamedPipeHandleState
176//sys readFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = ReadFile
177//sys writeFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = WriteFile
178//sys GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (err error)
179//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]
180//sys CloseHandle(handle Handle) (err error)
181//sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle]
182//sys SetStdHandle(stdhandle uint32, handle Handle) (err error)
183//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW
184//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW
185//sys FindClose(handle Handle) (err error)
186//sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error)
187//sys GetFileInformationByHandleEx(handle Handle, class uint32, outBuffer *byte, outBufferLen uint32) (err error)
188//sys SetFileInformationByHandle(handle Handle, class uint32, inBuffer *byte, inBufferLen uint32) (err error)
189//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW
190//sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW
191//sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW
192//sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW
193//sys DeleteFile(path *uint16) (err error) = DeleteFileW
194//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW
195//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW
196//sys LockFileEx(file Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
197//sys UnlockFileEx(file Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
198//sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW
199//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW
200//sys SetEndOfFile(handle Handle) (err error)
201//sys SetFileValidData(handle Handle, validDataLength int64) (err error)
202//sys GetSystemTimeAsFileTime(time *Filetime)
203//sys GetSystemTimePreciseAsFileTime(time *Filetime)
204//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]
205//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uintptr, threadcnt uint32) (handle Handle, err error)
206//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uintptr, overlapped **Overlapped, timeout uint32) (err error)
207//sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uintptr, overlapped *Overlapped) (err error)
208//sys CancelIo(s Handle) (err error)
209//sys CancelIoEx(s Handle, o *Overlapped) (err error)
210//sys CreateProcess(appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = CreateProcessW
211//sys CreateProcessAsUser(token Token, appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = advapi32.CreateProcessAsUserW
212//sys initializeProcThreadAttributeList(attrlist *ProcThreadAttributeList, attrcount uint32, flags uint32, size *uintptr) (err error) = InitializeProcThreadAttributeList
213//sys deleteProcThreadAttributeList(attrlist *ProcThreadAttributeList) = DeleteProcThreadAttributeList
214//sys updateProcThreadAttribute(attrlist *ProcThreadAttributeList, flags uint32, attr uintptr, value unsafe.Pointer, size uintptr, prevvalue unsafe.Pointer, returnedsize *uintptr) (err error) = UpdateProcThreadAttribute
215//sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error)
216//sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW
217//sys GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId
218//sys LoadKeyboardLayout(name *uint16, flags uint32) (hkl Handle, err error) [failretval==0] = user32.LoadKeyboardLayoutW
219//sys UnloadKeyboardLayout(hkl Handle) (err error) = user32.UnloadKeyboardLayout
220//sys GetKeyboardLayout(tid uint32) (hkl Handle) = user32.GetKeyboardLayout
221//sys ToUnicodeEx(vkey uint32, scancode uint32, keystate *byte, pwszBuff *uint16, cchBuff int32, flags uint32, hkl Handle) (ret int32) = user32.ToUnicodeEx
222//sys GetShellWindow() (shellWindow HWND) = user32.GetShellWindow
223//sys MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW
224//sys ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx
225//sys shGetKnownFolderPath(id *KNOWNFOLDERID, flags uint32, token Token, path **uint16) (ret error) = shell32.SHGetKnownFolderPath
226//sys TerminateProcess(handle Handle, exitcode uint32) (err error)
227//sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error)
228//sys getStartupInfo(startupInfo *StartupInfo) = GetStartupInfoW
229//sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error)
230//sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error)
231//sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff]
232//sys waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects
233//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW
234//sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error)
235//sys GetFileType(filehandle Handle) (n uint32, err error)
236//sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW
237//sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext
238//sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom
239//sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW
240//sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW
241//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW
242//sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW
243//sys ExpandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) = kernel32.ExpandEnvironmentStringsW
244//sys CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock
245//sys DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
246//sys getTickCount64() (ms uint64) = kernel32.GetTickCount64
247//sys GetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)
248//sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error)
249//sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW
250//sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW
251//sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW
252//sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW
253//sys commandLineToArgv(cmd *uint16, argc *int32) (argv **uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW
254//sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0]
255//sys LocalAlloc(flags uint32, length uint32) (ptr uintptr, err error)
256//sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error)
257//sys FlushFileBuffers(handle Handle) (err error)
258//sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW
259//sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW
260//sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW
261//sys GetFinalPathNameByHandle(file Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW
262//sys CreateFileMapping(fhandle Handle, sa *SecurityAttributes, prot uint32, maxSizeHigh uint32, maxSizeLow uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateFileMappingW
263//sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error)
264//sys UnmapViewOfFile(addr uintptr) (err error)
265//sys FlushViewOfFile(addr uintptr, length uintptr) (err error)
266//sys VirtualLock(addr uintptr, length uintptr) (err error)
267//sys VirtualUnlock(addr uintptr, length uintptr) (err error)
268//sys VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc
269//sys VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree
270//sys VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect
271//sys VirtualProtectEx(process Handle, address uintptr, size uintptr, newProtect uint32, oldProtect *uint32) (err error) = kernel32.VirtualProtectEx
272//sys VirtualQuery(address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQuery
273//sys VirtualQueryEx(process Handle, address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQueryEx
274//sys ReadProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesRead *uintptr) (err error) = kernel32.ReadProcessMemory
275//sys WriteProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesWritten *uintptr) (err error) = kernel32.WriteProcessMemory
276//sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile
277//sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW
278//sys FindFirstChangeNotification(path string, watchSubtree bool, notifyFilter uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.FindFirstChangeNotificationW
279//sys FindNextChangeNotification(handle Handle) (err error)
280//sys FindCloseChangeNotification(handle Handle) (err error)
281//sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW
282//sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) = crypt32.CertOpenStore
283//sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore
284//sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore
285//sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore
286//sys CertDeleteCertificateFromStore(certContext *CertContext) (err error) = crypt32.CertDeleteCertificateFromStore
287//sys CertDuplicateCertificateContext(certContext *CertContext) (dupContext *CertContext) = crypt32.CertDuplicateCertificateContext
288//sys PFXImportCertStore(pfx *CryptDataBlob, password *uint16, flags uint32) (store Handle, err error) = crypt32.PFXImportCertStore
289//sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain
290//sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain
291//sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext
292//sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext
293//sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy
294//sys CertGetNameString(certContext *CertContext, nameType uint32, flags uint32, typePara unsafe.Pointer, name *uint16, size uint32) (chars uint32) = crypt32.CertGetNameStringW
295//sys CertFindExtension(objId *byte, countExtensions uint32, extensions *CertExtension) (ret *CertExtension) = crypt32.CertFindExtension
296//sys CertFindCertificateInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevCertContext *CertContext) (cert *CertContext, err error) [failretval==nil] = crypt32.CertFindCertificateInStore
297//sys CertFindChainInStore(store Handle, certEncodingType uint32, findFlags uint32, findType uint32, findPara unsafe.Pointer, prevChainContext *CertChainContext) (certchain *CertChainContext, err error) [failretval==nil] = crypt32.CertFindChainInStore
298//sys CryptAcquireCertificatePrivateKey(cert *CertContext, flags uint32, parameters unsafe.Pointer, cryptProvOrNCryptKey *Handle, keySpec *uint32, callerFreeProvOrNCryptKey *bool) (err error) = crypt32.CryptAcquireCertificatePrivateKey
299//sys CryptQueryObject(objectType uint32, object unsafe.Pointer, expectedContentTypeFlags uint32, expectedFormatTypeFlags uint32, flags uint32, msgAndCertEncodingType *uint32, contentType *uint32, formatType *uint32, certStore *Handle, msg *Handle, context *unsafe.Pointer) (err error) = crypt32.CryptQueryObject
300//sys CryptDecodeObject(encodingType uint32, structType *byte, encodedBytes *byte, lenEncodedBytes uint32, flags uint32, decoded unsafe.Pointer, decodedLen *uint32) (err error) = crypt32.CryptDecodeObject
301//sys CryptProtectData(dataIn *DataBlob, name *uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptProtectData
302//sys CryptUnprotectData(dataIn *DataBlob, name **uint16, optionalEntropy *DataBlob, reserved uintptr, promptStruct *CryptProtectPromptStruct, flags uint32, dataOut *DataBlob) (err error) = crypt32.CryptUnprotectData
303//sys WinVerifyTrustEx(hwnd HWND, actionId *GUID, data *WinTrustData) (ret error) = wintrust.WinVerifyTrustEx
304//sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW
305//sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey
306//sys RegQueryInfoKey(key Handle, class *uint16, classLen *uint32, reserved *uint32, subkeysLen *uint32, maxSubkeyLen *uint32, maxClassLen *uint32, valuesLen *uint32, maxValueNameLen *uint32, maxValueLen *uint32, saLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegQueryInfoKeyW
307//sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW
308//sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW
309//sys RegNotifyChangeKeyValue(key Handle, watchSubtree bool, notifyFilter uint32, event Handle, asynchronous bool) (regerrno error) = advapi32.RegNotifyChangeKeyValue
310//sys GetCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId
311//sys ProcessIdToSessionId(pid uint32, sessionid *uint32) (err error) = kernel32.ProcessIdToSessionId
312//sys ClosePseudoConsole(console Handle) = kernel32.ClosePseudoConsole
313//sys createPseudoConsole(size uint32, in Handle, out Handle, flags uint32, pconsole *Handle) (hr error) = kernel32.CreatePseudoConsole
314//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode
315//sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode
316//sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo
317//sys setConsoleCursorPosition(console Handle, position uint32) (err error) = kernel32.SetConsoleCursorPosition
318//sys GetConsoleCP() (cp uint32, err error) = kernel32.GetConsoleCP
319//sys GetConsoleOutputCP() (cp uint32, err error) = kernel32.GetConsoleOutputCP
320//sys SetConsoleCP(cp uint32) (err error) = kernel32.SetConsoleCP
321//sys SetConsoleOutputCP(cp uint32) (err error) = kernel32.SetConsoleOutputCP
322//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW
323//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW
324//sys resizePseudoConsole(pconsole Handle, size uint32) (hr error) = kernel32.ResizePseudoConsole
325//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot
326//sys Module32First(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW
327//sys Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW
328//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW
329//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW
330//sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error)
331//sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error)
332//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error)
333// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
334//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW
335//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW
336//sys GetCurrentThreadId() (id uint32)
337//sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventW
338//sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventExW
339//sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW
340//sys SetEvent(event Handle) (err error) = kernel32.SetEvent
341//sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent
342//sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent
343//sys CreateMutex(mutexAttrs *SecurityAttributes, initialOwner bool, name *uint16) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexW
344//sys CreateMutexEx(mutexAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateMutexExW
345//sys OpenMutex(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenMutexW
346//sys ReleaseMutex(mutex Handle) (err error) = kernel32.ReleaseMutex
347//sys SleepEx(milliseconds uint32, alertable bool) (ret uint32) = kernel32.SleepEx
348//sys CreateJobObject(jobAttr *SecurityAttributes, name *uint16) (handle Handle, err error) = kernel32.CreateJobObjectW
349//sys AssignProcessToJobObject(job Handle, process Handle) (err error) = kernel32.AssignProcessToJobObject
350//sys TerminateJobObject(job Handle, exitCode uint32) (err error) = kernel32.TerminateJobObject
351//sys SetErrorMode(mode uint32) (ret uint32) = kernel32.SetErrorMode
352//sys ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread
353//sys SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass
354//sys GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass
355//sys QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject
356//sys SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error)
357//sys GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error)
358//sys GetProcessId(process Handle) (id uint32, err error)
359//sys QueryFullProcessImageName(proc Handle, flags uint32, exeName *uint16, size *uint32) (err error) = kernel32.QueryFullProcessImageNameW
360//sys OpenThread(desiredAccess uint32, inheritHandle bool, threadId uint32) (handle Handle, err error)
361//sys SetProcessPriorityBoost(process Handle, disable bool) (err error) = kernel32.SetProcessPriorityBoost
362//sys GetProcessWorkingSetSizeEx(hProcess Handle, lpMinimumWorkingSetSize *uintptr, lpMaximumWorkingSetSize *uintptr, flags *uint32)
363//sys SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error)
364//sys ClearCommBreak(handle Handle) (err error)
365//sys ClearCommError(handle Handle, lpErrors *uint32, lpStat *ComStat) (err error)
366//sys EscapeCommFunction(handle Handle, dwFunc uint32) (err error)
367//sys GetCommState(handle Handle, lpDCB *DCB) (err error)
368//sys GetCommModemStatus(handle Handle, lpModemStat *uint32) (err error)
369//sys GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
370//sys PurgeComm(handle Handle, dwFlags uint32) (err error)
371//sys SetCommBreak(handle Handle) (err error)
372//sys SetCommMask(handle Handle, dwEvtMask uint32) (err error)
373//sys SetCommState(handle Handle, lpDCB *DCB) (err error)
374//sys SetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
375//sys SetupComm(handle Handle, dwInQueue uint32, dwOutQueue uint32) (err error)
376//sys WaitCommEvent(handle Handle, lpEvtMask *uint32, lpOverlapped *Overlapped) (err error)
377//sys GetActiveProcessorCount(groupNumber uint16) (ret uint32)
378//sys GetMaximumProcessorCount(groupNumber uint16) (ret uint32)
379//sys EnumWindows(enumFunc uintptr, param unsafe.Pointer) (err error) = user32.EnumWindows
380//sys EnumChildWindows(hwnd HWND, enumFunc uintptr, param unsafe.Pointer) = user32.EnumChildWindows
381//sys GetClassName(hwnd HWND, className *uint16, maxCount int32) (copied int32, err error) = user32.GetClassNameW
382//sys GetDesktopWindow() (hwnd HWND) = user32.GetDesktopWindow
383//sys GetForegroundWindow() (hwnd HWND) = user32.GetForegroundWindow
384//sys IsWindow(hwnd HWND) (isWindow bool) = user32.IsWindow
385//sys IsWindowUnicode(hwnd HWND) (isUnicode bool) = user32.IsWindowUnicode
386//sys IsWindowVisible(hwnd HWND) (isVisible bool) = user32.IsWindowVisible
387//sys GetGUIThreadInfo(thread uint32, info *GUIThreadInfo) (err error) = user32.GetGUIThreadInfo
388//sys GetLargePageMinimum() (size uintptr)
389
390// Volume Management Functions
391//sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW
392//sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW
393//sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW
394//sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW
395//sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW
396//sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW
397//sys FindVolumeClose(findVolume Handle) (err error)
398//sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error)
399//sys GetDiskFreeSpaceEx(directoryName *uint16, freeBytesAvailableToCaller *uint64, totalNumberOfBytes *uint64, totalNumberOfFreeBytes *uint64) (err error) = GetDiskFreeSpaceExW
400//sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW
401//sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0]
402//sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW
403//sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW
404//sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW
405//sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW
406//sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW
407//sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW
408//sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW
409//sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW
410//sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW
411//sys InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint32, forceAppsClosed bool, rebootAfterShutdown bool, reason uint32) (err error) = advapi32.InitiateSystemShutdownExW
412//sys SetProcessShutdownParameters(level uint32, flags uint32) (err error) = kernel32.SetProcessShutdownParameters
413//sys GetProcessShutdownParameters(level *uint32, flags *uint32) (err error) = kernel32.GetProcessShutdownParameters
414//sys clsidFromString(lpsz *uint16, pclsid *GUID) (ret error) = ole32.CLSIDFromString
415//sys stringFromGUID2(rguid *GUID, lpsz *uint16, cchMax int32) (chars int32) = ole32.StringFromGUID2
416//sys coCreateGuid(pguid *GUID) (ret error) = ole32.CoCreateGuid
417//sys CoTaskMemFree(address unsafe.Pointer) = ole32.CoTaskMemFree
418//sys CoInitializeEx(reserved uintptr, coInit uint32) (ret error) = ole32.CoInitializeEx
419//sys CoUninitialize() = ole32.CoUninitialize
420//sys CoGetObject(name *uint16, bindOpts *BIND_OPTS3, guid *GUID, functionTable **uintptr) (ret error) = ole32.CoGetObject
421//sys getProcessPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetProcessPreferredUILanguages
422//sys getThreadPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetThreadPreferredUILanguages
423//sys getUserPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetUserPreferredUILanguages
424//sys getSystemPreferredUILanguages(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) (err error) = kernel32.GetSystemPreferredUILanguages
425//sys findResource(module Handle, name uintptr, resType uintptr) (resInfo Handle, err error) = kernel32.FindResourceW
426//sys SizeofResource(module Handle, resInfo Handle) (size uint32, err error) = kernel32.SizeofResource
427//sys LoadResource(module Handle, resInfo Handle) (resData Handle, err error) = kernel32.LoadResource
428//sys LockResource(resData Handle) (addr uintptr, err error) = kernel32.LockResource
429
430// Version APIs
431//sys GetFileVersionInfoSize(filename string, zeroHandle *Handle) (bufSize uint32, err error) = version.GetFileVersionInfoSizeW
432//sys GetFileVersionInfo(filename string, handle uint32, bufSize uint32, buffer unsafe.Pointer) (err error) = version.GetFileVersionInfoW
433//sys VerQueryValue(block unsafe.Pointer, subBlock string, pointerToBufferPointer unsafe.Pointer, bufSize *uint32) (err error) = version.VerQueryValueW
434
435// Process Status API (PSAPI)
436//sys enumProcesses(processIds *uint32, nSize uint32, bytesReturned *uint32) (err error) = psapi.EnumProcesses
437//sys EnumProcessModules(process Handle, module *Handle, cb uint32, cbNeeded *uint32) (err error) = psapi.EnumProcessModules
438//sys EnumProcessModulesEx(process Handle, module *Handle, cb uint32, cbNeeded *uint32, filterFlag uint32) (err error) = psapi.EnumProcessModulesEx
439//sys GetModuleInformation(process Handle, module Handle, modinfo *ModuleInfo, cb uint32) (err error) = psapi.GetModuleInformation
440//sys GetModuleFileNameEx(process Handle, module Handle, filename *uint16, size uint32) (err error) = psapi.GetModuleFileNameExW
441//sys GetModuleBaseName(process Handle, module Handle, baseName *uint16, size uint32) (err error) = psapi.GetModuleBaseNameW
442//sys QueryWorkingSetEx(process Handle, pv uintptr, cb uint32) (err error) = psapi.QueryWorkingSetEx
443
444// NT Native APIs
445//sys rtlNtStatusToDosErrorNoTeb(ntstatus NTStatus) (ret syscall.Errno) = ntdll.RtlNtStatusToDosErrorNoTeb
446//sys rtlGetVersion(info *OsVersionInfoEx) (ntstatus error) = ntdll.RtlGetVersion
447//sys rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) = ntdll.RtlGetNtVersionNumbers
448//sys RtlGetCurrentPeb() (peb *PEB) = ntdll.RtlGetCurrentPeb
449//sys RtlInitUnicodeString(destinationString *NTUnicodeString, sourceString *uint16) = ntdll.RtlInitUnicodeString
450//sys RtlInitString(destinationString *NTString, sourceString *byte) = ntdll.RtlInitString
451//sys NtCreateFile(handle *Handle, access uint32, oa *OBJECT_ATTRIBUTES, iosb *IO_STATUS_BLOCK, allocationSize *int64, attributes uint32, share uint32, disposition uint32, options uint32, eabuffer uintptr, ealength uint32) (ntstatus error) = ntdll.NtCreateFile
452//sys NtCreateNamedPipeFile(pipe *Handle, access uint32, oa *OBJECT_ATTRIBUTES, iosb *IO_STATUS_BLOCK, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (ntstatus error) = ntdll.NtCreateNamedPipeFile
453//sys NtSetInformationFile(handle Handle, iosb *IO_STATUS_BLOCK, inBuffer *byte, inBufferLen uint32, class uint32) (ntstatus error) = ntdll.NtSetInformationFile
454//sys RtlDosPathNameToNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToNtPathName_U_WithStatus
455//sys RtlDosPathNameToRelativeNtPathName(dosName *uint16, ntName *NTUnicodeString, ntFileNamePart *uint16, relativeName *RTL_RELATIVE_NAME) (ntstatus error) = ntdll.RtlDosPathNameToRelativeNtPathName_U_WithStatus
456//sys RtlDefaultNpAcl(acl **ACL) (ntstatus error) = ntdll.RtlDefaultNpAcl
457//sys NtQueryInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQueryInformationProcess
458//sys NtSetInformationProcess(proc Handle, procInfoClass int32, procInfo unsafe.Pointer, procInfoLen uint32) (ntstatus error) = ntdll.NtSetInformationProcess
459//sys NtQuerySystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32, retLen *uint32) (ntstatus error) = ntdll.NtQuerySystemInformation
460//sys NtSetSystemInformation(sysInfoClass int32, sysInfo unsafe.Pointer, sysInfoLen uint32) (ntstatus error) = ntdll.NtSetSystemInformation
461//sys RtlAddFunctionTable(functionTable *RUNTIME_FUNCTION, entryCount uint32, baseAddress uintptr) (ret bool) = ntdll.RtlAddFunctionTable
462//sys RtlDeleteFunctionTable(functionTable *RUNTIME_FUNCTION) (ret bool) = ntdll.RtlDeleteFunctionTable
463
464// Desktop Window Manager API (Dwmapi)
465//sys DwmGetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmGetWindowAttribute
466//sys DwmSetWindowAttribute(hwnd HWND, attribute uint32, value unsafe.Pointer, size uint32) (ret error) = dwmapi.DwmSetWindowAttribute
467
468// Windows Multimedia API
469//sys TimeBeginPeriod (period uint32) (err error) [failretval != 0] = winmm.timeBeginPeriod
470//sys TimeEndPeriod (period uint32) (err error) [failretval != 0] = winmm.timeEndPeriod
471
472// syscall interface implementation for other packages
473
474// GetCurrentProcess returns the handle for the current process.
475// It is a pseudo handle that does not need to be closed.
476// The returned error is always nil.
477//
478// Deprecated: use CurrentProcess for the same Handle without the nil
479// error.
480func GetCurrentProcess() (Handle, error) {
481 return CurrentProcess(), nil
482}
483
484// CurrentProcess returns the handle for the current process.
485// It is a pseudo handle that does not need to be closed.
486func CurrentProcess() Handle { return Handle(^uintptr(1 - 1)) }
487
488// GetCurrentThread returns the handle for the current thread.
489// It is a pseudo handle that does not need to be closed.
490// The returned error is always nil.
491//
492// Deprecated: use CurrentThread for the same Handle without the nil
493// error.
494func GetCurrentThread() (Handle, error) {
495 return CurrentThread(), nil
496}
497
498// CurrentThread returns the handle for the current thread.
499// It is a pseudo handle that does not need to be closed.
500func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) }
501
502// GetProcAddressByOrdinal retrieves the address of the exported
503// function from module by ordinal.
504func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) {
505 r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0)
506 proc = uintptr(r0)
507 if proc == 0 {
508 err = errnoErr(e1)
509 }
510 return
511}
512
513func Exit(code int) { ExitProcess(uint32(code)) }
514
515func makeInheritSa() *SecurityAttributes {
516 var sa SecurityAttributes
517 sa.Length = uint32(unsafe.Sizeof(sa))
518 sa.InheritHandle = 1
519 return &sa
520}
521
522func Open(path string, mode int, perm uint32) (fd Handle, err error) {
523 if len(path) == 0 {
524 return InvalidHandle, ERROR_FILE_NOT_FOUND
525 }
526 pathp, err := UTF16PtrFromString(path)
527 if err != nil {
528 return InvalidHandle, err
529 }
530 var access uint32
531 switch mode & (O_RDONLY | O_WRONLY | O_RDWR) {
532 case O_RDONLY:
533 access = GENERIC_READ
534 case O_WRONLY:
535 access = GENERIC_WRITE
536 case O_RDWR:
537 access = GENERIC_READ | GENERIC_WRITE
538 }
539 if mode&O_CREAT != 0 {
540 access |= GENERIC_WRITE
541 }
542 if mode&O_APPEND != 0 {
543 access &^= GENERIC_WRITE
544 access |= FILE_APPEND_DATA
545 }
546 sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE)
547 var sa *SecurityAttributes
548 if mode&O_CLOEXEC == 0 {
549 sa = makeInheritSa()
550 }
551 var createmode uint32
552 switch {
553 case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL):
554 createmode = CREATE_NEW
555 case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC):
556 createmode = CREATE_ALWAYS
557 case mode&O_CREAT == O_CREAT:
558 createmode = OPEN_ALWAYS
559 case mode&O_TRUNC == O_TRUNC:
560 createmode = TRUNCATE_EXISTING
561 default:
562 createmode = OPEN_EXISTING
563 }
564 var attrs uint32 = FILE_ATTRIBUTE_NORMAL
565 if perm&S_IWRITE == 0 {
566 attrs = FILE_ATTRIBUTE_READONLY
567 }
568 h, e := CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0)
569 return h, e
570}
571
572func Read(fd Handle, p []byte) (n int, err error) {
573 var done uint32
574 e := ReadFile(fd, p, &done, nil)
575 if e != nil {
576 if e == ERROR_BROKEN_PIPE {
577 // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin
578 return 0, nil
579 }
580 return 0, e
581 }
582 return int(done), nil
583}
584
585func Write(fd Handle, p []byte) (n int, err error) {
586 if raceenabled {
587 raceReleaseMerge(unsafe.Pointer(&ioSync))
588 }
589 var done uint32
590 e := WriteFile(fd, p, &done, nil)
591 if e != nil {
592 return 0, e
593 }
594 return int(done), nil
595}
596
597func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
598 err := readFile(fd, p, done, overlapped)
599 if raceenabled {
600 if *done > 0 {
601 raceWriteRange(unsafe.Pointer(&p[0]), int(*done))
602 }
603 raceAcquire(unsafe.Pointer(&ioSync))
604 }
605 return err
606}
607
608func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
609 if raceenabled {
610 raceReleaseMerge(unsafe.Pointer(&ioSync))
611 }
612 err := writeFile(fd, p, done, overlapped)
613 if raceenabled && *done > 0 {
614 raceReadRange(unsafe.Pointer(&p[0]), int(*done))
615 }
616 return err
617}
618
619var ioSync int64
620
621func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) {
622 var w uint32
623 switch whence {
624 case 0:
625 w = FILE_BEGIN
626 case 1:
627 w = FILE_CURRENT
628 case 2:
629 w = FILE_END
630 }
631 hi := int32(offset >> 32)
632 lo := int32(offset)
633 // use GetFileType to check pipe, pipe can't do seek
634 ft, _ := GetFileType(fd)
635 if ft == FILE_TYPE_PIPE {
636 return 0, syscall.EPIPE
637 }
638 rlo, e := SetFilePointer(fd, lo, &hi, w)
639 if e != nil {
640 return 0, e
641 }
642 return int64(hi)<<32 + int64(rlo), nil
643}
644
645func Close(fd Handle) (err error) {
646 return CloseHandle(fd)
647}
648
649var (
650 Stdin = getStdHandle(STD_INPUT_HANDLE)
651 Stdout = getStdHandle(STD_OUTPUT_HANDLE)
652 Stderr = getStdHandle(STD_ERROR_HANDLE)
653)
654
655func getStdHandle(stdhandle uint32) (fd Handle) {
656 r, _ := GetStdHandle(stdhandle)
657 return r
658}
659
660const ImplementsGetwd = true
661
662func Getwd() (wd string, err error) {
663 b := make([]uint16, 300)
664 n, e := GetCurrentDirectory(uint32(len(b)), &b[0])
665 if e != nil {
666 return "", e
667 }
668 return string(utf16.Decode(b[0:n])), nil
669}
670
671func Chdir(path string) (err error) {
672 pathp, err := UTF16PtrFromString(path)
673 if err != nil {
674 return err
675 }
676 return SetCurrentDirectory(pathp)
677}
678
679func Mkdir(path string, mode uint32) (err error) {
680 pathp, err := UTF16PtrFromString(path)
681 if err != nil {
682 return err
683 }
684 return CreateDirectory(pathp, nil)
685}
686
687func Rmdir(path string) (err error) {
688 pathp, err := UTF16PtrFromString(path)
689 if err != nil {
690 return err
691 }
692 return RemoveDirectory(pathp)
693}
694
695func Unlink(path string) (err error) {
696 pathp, err := UTF16PtrFromString(path)
697 if err != nil {
698 return err
699 }
700 return DeleteFile(pathp)
701}
702
703func Rename(oldpath, newpath string) (err error) {
704 from, err := UTF16PtrFromString(oldpath)
705 if err != nil {
706 return err
707 }
708 to, err := UTF16PtrFromString(newpath)
709 if err != nil {
710 return err
711 }
712 return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING)
713}
714
715func ComputerName() (name string, err error) {
716 var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
717 b := make([]uint16, n)
718 e := GetComputerName(&b[0], &n)
719 if e != nil {
720 return "", e
721 }
722 return string(utf16.Decode(b[0:n])), nil
723}
724
725func DurationSinceBoot() time.Duration {
726 return time.Duration(getTickCount64()) * time.Millisecond
727}
728
729func Ftruncate(fd Handle, length int64) (err error) {
730 type _FILE_END_OF_FILE_INFO struct {
731 EndOfFile int64
732 }
733 var info _FILE_END_OF_FILE_INFO
734 info.EndOfFile = length
735 return SetFileInformationByHandle(fd, FileEndOfFileInfo, (*byte)(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)))
736}
737
738func Gettimeofday(tv *Timeval) (err error) {
739 var ft Filetime
740 GetSystemTimeAsFileTime(&ft)
741 *tv = NsecToTimeval(ft.Nanoseconds())
742 return nil
743}
744
745func Pipe(p []Handle) (err error) {
746 if len(p) != 2 {
747 return syscall.EINVAL
748 }
749 var r, w Handle
750 e := CreatePipe(&r, &w, makeInheritSa(), 0)
751 if e != nil {
752 return e
753 }
754 p[0] = r
755 p[1] = w
756 return nil
757}
758
759func Utimes(path string, tv []Timeval) (err error) {
760 if len(tv) != 2 {
761 return syscall.EINVAL
762 }
763 pathp, e := UTF16PtrFromString(path)
764 if e != nil {
765 return e
766 }
767 h, e := CreateFile(pathp,
768 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
769 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
770 if e != nil {
771 return e
772 }
773 defer CloseHandle(h)
774 a := NsecToFiletime(tv[0].Nanoseconds())
775 w := NsecToFiletime(tv[1].Nanoseconds())
776 return SetFileTime(h, nil, &a, &w)
777}
778
779func UtimesNano(path string, ts []Timespec) (err error) {
780 if len(ts) != 2 {
781 return syscall.EINVAL
782 }
783 pathp, e := UTF16PtrFromString(path)
784 if e != nil {
785 return e
786 }
787 h, e := CreateFile(pathp,
788 FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil,
789 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
790 if e != nil {
791 return e
792 }
793 defer CloseHandle(h)
794 a := NsecToFiletime(TimespecToNsec(ts[0]))
795 w := NsecToFiletime(TimespecToNsec(ts[1]))
796 return SetFileTime(h, nil, &a, &w)
797}
798
799func Fsync(fd Handle) (err error) {
800 return FlushFileBuffers(fd)
801}
802
803func Chmod(path string, mode uint32) (err error) {
804 p, e := UTF16PtrFromString(path)
805 if e != nil {
806 return e
807 }
808 attrs, e := GetFileAttributes(p)
809 if e != nil {
810 return e
811 }
812 if mode&S_IWRITE != 0 {
813 attrs &^= FILE_ATTRIBUTE_READONLY
814 } else {
815 attrs |= FILE_ATTRIBUTE_READONLY
816 }
817 return SetFileAttributes(p, attrs)
818}
819
820func LoadGetSystemTimePreciseAsFileTime() error {
821 return procGetSystemTimePreciseAsFileTime.Find()
822}
823
824func LoadCancelIoEx() error {
825 return procCancelIoEx.Find()
826}
827
828func LoadSetFileCompletionNotificationModes() error {
829 return procSetFileCompletionNotificationModes.Find()
830}
831
832func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
833 // Every other win32 array API takes arguments as "pointer, count", except for this function. So we
834 // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore
835 // trivially stub this ourselves.
836
837 var handlePtr *Handle
838 if len(handles) > 0 {
839 handlePtr = &handles[0]
840 }
841 return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds)
842}
843
844// net api calls
845
846const socket_error = uintptr(^uint32(0))
847
848//sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup
849//sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup
850//sys WSAIoctl(s Handle, iocc uint32, inbuf *byte, cbif uint32, outbuf *byte, cbob uint32, cbbr *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) [failretval==socket_error] = ws2_32.WSAIoctl
851//sys WSALookupServiceBegin(querySet *WSAQUERYSET, flags uint32, handle *Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceBeginW
852//sys WSALookupServiceNext(handle Handle, flags uint32, size *int32, querySet *WSAQUERYSET) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceNextW
853//sys WSALookupServiceEnd(handle Handle) (err error) [failretval==socket_error] = ws2_32.WSALookupServiceEnd
854//sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket
855//sys sendto(s Handle, buf []byte, flags int32, to unsafe.Pointer, tolen int32) (err error) [failretval==socket_error] = ws2_32.sendto
856//sys recvfrom(s Handle, buf []byte, flags int32, from *RawSockaddrAny, fromlen *int32) (n int32, err error) [failretval==-1] = ws2_32.recvfrom
857//sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt
858//sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt
859//sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind
860//sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect
861//sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname
862//sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername
863//sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen
864//sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown
865//sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket
866//sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx
867//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs
868//sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv
869//sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend
870//sys WSARecvFrom(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, from *RawSockaddrAny, fromlen *int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecvFrom
871//sys WSASendTo(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *RawSockaddrAny, tolen int32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASendTo
872//sys WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW
873//sys WSADuplicateSocket(s Handle, processID uint32, info *WSAProtocolInfo) (err error) [failretval!=0] = ws2_32.WSADuplicateSocketW
874//sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname
875//sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname
876//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs
877//sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname
878//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W
879//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree
880//sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W
881//sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW
882//sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW
883//sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry
884//sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo
885//sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes
886//sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW
887//sys WSAGetOverlappedResult(h Handle, o *Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
888//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses
889//sys GetACP() (acp uint32) = kernel32.GetACP
890//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar
891//sys getBestInterfaceEx(sockaddr unsafe.Pointer, pdwBestIfIndex *uint32) (errcode error) = iphlpapi.GetBestInterfaceEx
892//sys GetIfEntry2Ex(level uint32, row *MibIfRow2) (errcode error) = iphlpapi.GetIfEntry2Ex
893//sys GetUnicastIpAddressEntry(row *MibUnicastIpAddressRow) (errcode error) = iphlpapi.GetUnicastIpAddressEntry
894//sys NotifyIpInterfaceChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyIpInterfaceChange
895//sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange
896//sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2
897
898// For testing: clients can set this flag to force
899// creation of IPv6 sockets to return EAFNOSUPPORT.
900var SocketDisableIPv6 bool
901
902type RawSockaddrInet4 struct {
903 Family uint16
904 Port uint16
905 Addr [4]byte /* in_addr */
906 Zero [8]uint8
907}
908
909type RawSockaddrInet6 struct {
910 Family uint16
911 Port uint16
912 Flowinfo uint32
913 Addr [16]byte /* in6_addr */
914 Scope_id uint32
915}
916
917type RawSockaddr struct {
918 Family uint16
919 Data [14]int8
920}
921
922type RawSockaddrAny struct {
923 Addr RawSockaddr
924 Pad [100]int8
925}
926
927type Sockaddr interface {
928 sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs
929}
930
931type SockaddrInet4 struct {
932 Port int
933 Addr [4]byte
934 raw RawSockaddrInet4
935}
936
937func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) {
938 if sa.Port < 0 || sa.Port > 0xFFFF {
939 return nil, 0, syscall.EINVAL
940 }
941 sa.raw.Family = AF_INET
942 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
943 p[0] = byte(sa.Port >> 8)
944 p[1] = byte(sa.Port)
945 sa.raw.Addr = sa.Addr
946 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
947}
948
949type SockaddrInet6 struct {
950 Port int
951 ZoneId uint32
952 Addr [16]byte
953 raw RawSockaddrInet6
954}
955
956func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
957 if sa.Port < 0 || sa.Port > 0xFFFF {
958 return nil, 0, syscall.EINVAL
959 }
960 sa.raw.Family = AF_INET6
961 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
962 p[0] = byte(sa.Port >> 8)
963 p[1] = byte(sa.Port)
964 sa.raw.Scope_id = sa.ZoneId
965 sa.raw.Addr = sa.Addr
966 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
967}
968
969type RawSockaddrUnix struct {
970 Family uint16
971 Path [UNIX_PATH_MAX]int8
972}
973
974type SockaddrUnix struct {
975 Name string
976 raw RawSockaddrUnix
977}
978
979func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) {
980 name := sa.Name
981 n := len(name)
982 if n > len(sa.raw.Path) {
983 return nil, 0, syscall.EINVAL
984 }
985 if n == len(sa.raw.Path) && name[0] != '@' {
986 return nil, 0, syscall.EINVAL
987 }
988 sa.raw.Family = AF_UNIX
989 for i := 0; i < n; i++ {
990 sa.raw.Path[i] = int8(name[i])
991 }
992 // length is family (uint16), name, NUL.
993 sl := int32(2)
994 if n > 0 {
995 sl += int32(n) + 1
996 }
997 if sa.raw.Path[0] == '@' || (sa.raw.Path[0] == 0 && sl > 3) {
998 // Check sl > 3 so we don't change unnamed socket behavior.
999 sa.raw.Path[0] = 0
1000 // Don't count trailing NUL for abstract address.
1001 sl--
1002 }
1003
1004 return unsafe.Pointer(&sa.raw), sl, nil
1005}
1006
1007type RawSockaddrBth struct {
1008 AddressFamily [2]byte
1009 BtAddr [8]byte
1010 ServiceClassId [16]byte
1011 Port [4]byte
1012}
1013
1014type SockaddrBth struct {
1015 BtAddr uint64
1016 ServiceClassId GUID
1017 Port uint32
1018
1019 raw RawSockaddrBth
1020}
1021
1022func (sa *SockaddrBth) sockaddr() (unsafe.Pointer, int32, error) {
1023 family := AF_BTH
1024 sa.raw = RawSockaddrBth{
1025 AddressFamily: *(*[2]byte)(unsafe.Pointer(&family)),
1026 BtAddr: *(*[8]byte)(unsafe.Pointer(&sa.BtAddr)),
1027 Port: *(*[4]byte)(unsafe.Pointer(&sa.Port)),
1028 ServiceClassId: *(*[16]byte)(unsafe.Pointer(&sa.ServiceClassId)),
1029 }
1030 return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
1031}
1032
1033func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) {
1034 switch rsa.Addr.Family {
1035 case AF_UNIX:
1036 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
1037 sa := new(SockaddrUnix)
1038 if pp.Path[0] == 0 {
1039 // "Abstract" Unix domain socket.
1040 // Rewrite leading NUL as @ for textual display.
1041 // (This is the standard convention.)
1042 // Not friendly to overwrite in place,
1043 // but the callers below don't care.
1044 pp.Path[0] = '@'
1045 }
1046
1047 // Assume path ends at NUL.
1048 // This is not technically the Linux semantics for
1049 // abstract Unix domain sockets--they are supposed
1050 // to be uninterpreted fixed-size binary blobs--but
1051 // everyone uses this convention.
1052 n := 0
1053 for n < len(pp.Path) && pp.Path[n] != 0 {
1054 n++
1055 }
1056 sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n))
1057 return sa, nil
1058
1059 case AF_INET:
1060 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
1061 sa := new(SockaddrInet4)
1062 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
1063 sa.Port = int(p[0])<<8 + int(p[1])
1064 sa.Addr = pp.Addr
1065 return sa, nil
1066
1067 case AF_INET6:
1068 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
1069 sa := new(SockaddrInet6)
1070 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
1071 sa.Port = int(p[0])<<8 + int(p[1])
1072 sa.ZoneId = pp.Scope_id
1073 sa.Addr = pp.Addr
1074 return sa, nil
1075 }
1076 return nil, syscall.EAFNOSUPPORT
1077}
1078
1079func Socket(domain, typ, proto int) (fd Handle, err error) {
1080 if domain == AF_INET6 && SocketDisableIPv6 {
1081 return InvalidHandle, syscall.EAFNOSUPPORT
1082 }
1083 return socket(int32(domain), int32(typ), int32(proto))
1084}
1085
1086func SetsockoptInt(fd Handle, level, opt int, value int) (err error) {
1087 v := int32(value)
1088 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v)))
1089}
1090
1091func Bind(fd Handle, sa Sockaddr) (err error) {
1092 ptr, n, err := sa.sockaddr()
1093 if err != nil {
1094 return err
1095 }
1096 return bind(fd, ptr, n)
1097}
1098
1099func Connect(fd Handle, sa Sockaddr) (err error) {
1100 ptr, n, err := sa.sockaddr()
1101 if err != nil {
1102 return err
1103 }
1104 return connect(fd, ptr, n)
1105}
1106
1107func GetBestInterfaceEx(sa Sockaddr, pdwBestIfIndex *uint32) (err error) {
1108 ptr, _, err := sa.sockaddr()
1109 if err != nil {
1110 return err
1111 }
1112 return getBestInterfaceEx(ptr, pdwBestIfIndex)
1113}
1114
1115func Getsockname(fd Handle) (sa Sockaddr, err error) {
1116 var rsa RawSockaddrAny
1117 l := int32(unsafe.Sizeof(rsa))
1118 if err = getsockname(fd, &rsa, &l); err != nil {
1119 return
1120 }
1121 return rsa.Sockaddr()
1122}
1123
1124func Getpeername(fd Handle) (sa Sockaddr, err error) {
1125 var rsa RawSockaddrAny
1126 l := int32(unsafe.Sizeof(rsa))
1127 if err = getpeername(fd, &rsa, &l); err != nil {
1128 return
1129 }
1130 return rsa.Sockaddr()
1131}
1132
1133func Listen(s Handle, n int) (err error) {
1134 return listen(s, int32(n))
1135}
1136
1137func Shutdown(fd Handle, how int) (err error) {
1138 return shutdown(fd, int32(how))
1139}
1140
1141func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) {
1142 var rsa unsafe.Pointer
1143 var l int32
1144 if to != nil {
1145 rsa, l, err = to.sockaddr()
1146 if err != nil {
1147 return err
1148 }
1149 }
1150 return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine)
1151}
1152
1153func LoadGetAddrInfo() error {
1154 return procGetAddrInfoW.Find()
1155}
1156
1157var connectExFunc struct {
1158 once sync.Once
1159 addr uintptr
1160 err error
1161}
1162
1163func LoadConnectEx() error {
1164 connectExFunc.once.Do(func() {
1165 var s Handle
1166 s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
1167 if connectExFunc.err != nil {
1168 return
1169 }
1170 defer CloseHandle(s)
1171 var n uint32
1172 connectExFunc.err = WSAIoctl(s,
1173 SIO_GET_EXTENSION_FUNCTION_POINTER,
1174 (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)),
1175 uint32(unsafe.Sizeof(WSAID_CONNECTEX)),
1176 (*byte)(unsafe.Pointer(&connectExFunc.addr)),
1177 uint32(unsafe.Sizeof(connectExFunc.addr)),
1178 &n, nil, 0)
1179 })
1180 return connectExFunc.err
1181}
1182
1183func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) {
1184 r1, _, e1 := syscall.Syscall9(connectExFunc.addr, 7, uintptr(s), uintptr(name), uintptr(namelen), uintptr(unsafe.Pointer(sendBuf)), uintptr(sendDataLen), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), 0, 0)
1185 if r1 == 0 {
1186 if e1 != 0 {
1187 err = error(e1)
1188 } else {
1189 err = syscall.EINVAL
1190 }
1191 }
1192 return
1193}
1194
1195func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error {
1196 err := LoadConnectEx()
1197 if err != nil {
1198 return errorspkg.New("failed to find ConnectEx: " + err.Error())
1199 }
1200 ptr, n, err := sa.sockaddr()
1201 if err != nil {
1202 return err
1203 }
1204 return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped)
1205}
1206
1207var sendRecvMsgFunc struct {
1208 once sync.Once
1209 sendAddr uintptr
1210 recvAddr uintptr
1211 err error
1212}
1213
1214func loadWSASendRecvMsg() error {
1215 sendRecvMsgFunc.once.Do(func() {
1216 var s Handle
1217 s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
1218 if sendRecvMsgFunc.err != nil {
1219 return
1220 }
1221 defer CloseHandle(s)
1222 var n uint32
1223 sendRecvMsgFunc.err = WSAIoctl(s,
1224 SIO_GET_EXTENSION_FUNCTION_POINTER,
1225 (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)),
1226 uint32(unsafe.Sizeof(WSAID_WSARECVMSG)),
1227 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)),
1228 uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)),
1229 &n, nil, 0)
1230 if sendRecvMsgFunc.err != nil {
1231 return
1232 }
1233 sendRecvMsgFunc.err = WSAIoctl(s,
1234 SIO_GET_EXTENSION_FUNCTION_POINTER,
1235 (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)),
1236 uint32(unsafe.Sizeof(WSAID_WSASENDMSG)),
1237 (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)),
1238 uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)),
1239 &n, nil, 0)
1240 })
1241 return sendRecvMsgFunc.err
1242}
1243
1244func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error {
1245 err := loadWSASendRecvMsg()
1246 if err != nil {
1247 return err
1248 }
1249 r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.sendAddr, 6, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(flags), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine)))
1250 if r1 == socket_error {
1251 err = errnoErr(e1)
1252 }
1253 return err
1254}
1255
1256func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error {
1257 err := loadWSASendRecvMsg()
1258 if err != nil {
1259 return err
1260 }
1261 r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.recvAddr, 5, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(unsafe.Pointer(bytesReceived)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine)), 0)
1262 if r1 == socket_error {
1263 err = errnoErr(e1)
1264 }
1265 return err
1266}
1267
1268// Invented structures to support what package os expects.
1269type Rusage struct {
1270 CreationTime Filetime
1271 ExitTime Filetime
1272 KernelTime Filetime
1273 UserTime Filetime
1274}
1275
1276type WaitStatus struct {
1277 ExitCode uint32
1278}
1279
1280func (w WaitStatus) Exited() bool { return true }
1281
1282func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) }
1283
1284func (w WaitStatus) Signal() Signal { return -1 }
1285
1286func (w WaitStatus) CoreDump() bool { return false }
1287
1288func (w WaitStatus) Stopped() bool { return false }
1289
1290func (w WaitStatus) Continued() bool { return false }
1291
1292func (w WaitStatus) StopSignal() Signal { return -1 }
1293
1294func (w WaitStatus) Signaled() bool { return false }
1295
1296func (w WaitStatus) TrapCause() int { return -1 }
1297
1298// Timespec is an invented structure on Windows, but here for
1299// consistency with the corresponding package for other operating systems.
1300type Timespec struct {
1301 Sec int64
1302 Nsec int64
1303}
1304
1305func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
1306
1307func NsecToTimespec(nsec int64) (ts Timespec) {
1308 ts.Sec = nsec / 1e9
1309 ts.Nsec = nsec % 1e9
1310 return
1311}
1312
1313// TODO(brainman): fix all needed for net
1314
1315func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS }
1316
1317func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) {
1318 var rsa RawSockaddrAny
1319 l := int32(unsafe.Sizeof(rsa))
1320 n32, err := recvfrom(fd, p, int32(flags), &rsa, &l)
1321 n = int(n32)
1322 if err != nil {
1323 return
1324 }
1325 from, err = rsa.Sockaddr()
1326 return
1327}
1328
1329func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) {
1330 ptr, l, err := to.sockaddr()
1331 if err != nil {
1332 return err
1333 }
1334 return sendto(fd, p, int32(flags), ptr, l)
1335}
1336
1337func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS }
1338
1339// The Linger struct is wrong but we only noticed after Go 1.
1340// sysLinger is the real system call structure.
1341
1342// BUG(brainman): The definition of Linger is not appropriate for direct use
1343// with Setsockopt and Getsockopt.
1344// Use SetsockoptLinger instead.
1345
1346type Linger struct {
1347 Onoff int32
1348 Linger int32
1349}
1350
1351type sysLinger struct {
1352 Onoff uint16
1353 Linger uint16
1354}
1355
1356type IPMreq struct {
1357 Multiaddr [4]byte /* in_addr */
1358 Interface [4]byte /* in_addr */
1359}
1360
1361type IPv6Mreq struct {
1362 Multiaddr [16]byte /* in6_addr */
1363 Interface uint32
1364}
1365
1366func GetsockoptInt(fd Handle, level, opt int) (int, error) {
1367 v := int32(0)
1368 l := int32(unsafe.Sizeof(v))
1369 err := Getsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), &l)
1370 return int(v), err
1371}
1372
1373func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {
1374 sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)}
1375 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys)))
1376}
1377
1378func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) {
1379 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4)
1380}
1381
1382func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) {
1383 return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq)))
1384}
1385
1386func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) {
1387 return syscall.EWINDOWS
1388}
1389
1390func EnumProcesses(processIds []uint32, bytesReturned *uint32) error {
1391 // EnumProcesses syscall expects the size parameter to be in bytes, but the code generated with mksyscall uses
1392 // the length of the processIds slice instead. Hence, this wrapper function is added to fix the discrepancy.
1393 var p *uint32
1394 if len(processIds) > 0 {
1395 p = &processIds[0]
1396 }
1397 size := uint32(len(processIds) * 4)
1398 return enumProcesses(p, size, bytesReturned)
1399}
1400
1401func Getpid() (pid int) { return int(GetCurrentProcessId()) }
1402
1403func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) {
1404 // NOTE(rsc): The Win32finddata struct is wrong for the system call:
1405 // the two paths are each one uint16 short. Use the correct struct,
1406 // a win32finddata1, and then copy the results out.
1407 // There is no loss of expressivity here, because the final
1408 // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that.
1409 // For Go 1.1, we might avoid the allocation of win32finddata1 here
1410 // by adding a final Bug [2]uint16 field to the struct and then
1411 // adjusting the fields in the result directly.
1412 var data1 win32finddata1
1413 handle, err = findFirstFile1(name, &data1)
1414 if err == nil {
1415 copyFindData(data, &data1)
1416 }
1417 return
1418}
1419
1420func FindNextFile(handle Handle, data *Win32finddata) (err error) {
1421 var data1 win32finddata1
1422 err = findNextFile1(handle, &data1)
1423 if err == nil {
1424 copyFindData(data, &data1)
1425 }
1426 return
1427}
1428
1429func getProcessEntry(pid int) (*ProcessEntry32, error) {
1430 snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
1431 if err != nil {
1432 return nil, err
1433 }
1434 defer CloseHandle(snapshot)
1435 var procEntry ProcessEntry32
1436 procEntry.Size = uint32(unsafe.Sizeof(procEntry))
1437 if err = Process32First(snapshot, &procEntry); err != nil {
1438 return nil, err
1439 }
1440 for {
1441 if procEntry.ProcessID == uint32(pid) {
1442 return &procEntry, nil
1443 }
1444 err = Process32Next(snapshot, &procEntry)
1445 if err != nil {
1446 return nil, err
1447 }
1448 }
1449}
1450
1451func Getppid() (ppid int) {
1452 pe, err := getProcessEntry(Getpid())
1453 if err != nil {
1454 return -1
1455 }
1456 return int(pe.ParentProcessID)
1457}
1458
1459// TODO(brainman): fix all needed for os
1460func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS }
1461func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS }
1462func Symlink(path, link string) (err error) { return syscall.EWINDOWS }
1463
1464func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS }
1465func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
1466func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS }
1467func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS }
1468
1469func Getuid() (uid int) { return -1 }
1470func Geteuid() (euid int) { return -1 }
1471func Getgid() (gid int) { return -1 }
1472func Getegid() (egid int) { return -1 }
1473func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS }
1474
1475type Signal int
1476
1477func (s Signal) Signal() {}
1478
1479func (s Signal) String() string {
1480 if 0 <= s && int(s) < len(signals) {
1481 str := signals[s]
1482 if str != "" {
1483 return str
1484 }
1485 }
1486 return "signal " + itoa(int(s))
1487}
1488
1489func LoadCreateSymbolicLink() error {
1490 return procCreateSymbolicLinkW.Find()
1491}
1492
1493// Readlink returns the destination of the named symbolic link.
1494func Readlink(path string, buf []byte) (n int, err error) {
1495 fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING,
1496 FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0)
1497 if err != nil {
1498 return -1, err
1499 }
1500 defer CloseHandle(fd)
1501
1502 rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
1503 var bytesReturned uint32
1504 err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)
1505 if err != nil {
1506 return -1, err
1507 }
1508
1509 rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0]))
1510 var s string
1511 switch rdb.ReparseTag {
1512 case IO_REPARSE_TAG_SYMLINK:
1513 data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
1514 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
1515 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
1516 case IO_REPARSE_TAG_MOUNT_POINT:
1517 data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
1518 p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
1519 s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2])
1520 default:
1521 // the path is not a symlink or junction but another type of reparse
1522 // point
1523 return -1, syscall.ENOENT
1524 }
1525 n = copy(buf, []byte(s))
1526
1527 return n, nil
1528}
1529
1530// GUIDFromString parses a string in the form of
1531// "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID.
1532func GUIDFromString(str string) (GUID, error) {
1533 guid := GUID{}
1534 str16, err := syscall.UTF16PtrFromString(str)
1535 if err != nil {
1536 return guid, err
1537 }
1538 err = clsidFromString(str16, &guid)
1539 if err != nil {
1540 return guid, err
1541 }
1542 return guid, nil
1543}
1544
1545// GenerateGUID creates a new random GUID.
1546func GenerateGUID() (GUID, error) {
1547 guid := GUID{}
1548 err := coCreateGuid(&guid)
1549 if err != nil {
1550 return guid, err
1551 }
1552 return guid, nil
1553}
1554
1555// String returns the canonical string form of the GUID,
1556// in the form of "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}".
1557func (guid GUID) String() string {
1558 var str [100]uint16
1559 chars := stringFromGUID2(&guid, &str[0], int32(len(str)))
1560 if chars <= 1 {
1561 return ""
1562 }
1563 return string(utf16.Decode(str[:chars-1]))
1564}
1565
1566// KnownFolderPath returns a well-known folder path for the current user, specified by one of
1567// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
1568func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
1569 return Token(0).KnownFolderPath(folderID, flags)
1570}
1571
1572// KnownFolderPath returns a well-known folder path for the user token, specified by one of
1573// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
1574func (t Token) KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
1575 var p *uint16
1576 err := shGetKnownFolderPath(folderID, flags, t, &p)
1577 if err != nil {
1578 return "", err
1579 }
1580 defer CoTaskMemFree(unsafe.Pointer(p))
1581 return UTF16PtrToString(p), nil
1582}
1583
1584// RtlGetVersion returns the version of the underlying operating system, ignoring
1585// manifest semantics but is affected by the application compatibility layer.
1586func RtlGetVersion() *OsVersionInfoEx {
1587 info := &OsVersionInfoEx{}
1588 info.osVersionInfoSize = uint32(unsafe.Sizeof(*info))
1589 // According to documentation, this function always succeeds.
1590 // The function doesn't even check the validity of the
1591 // osVersionInfoSize member. Disassembling ntdll.dll indicates
1592 // that the documentation is indeed correct about that.
1593 _ = rtlGetVersion(info)
1594 return info
1595}
1596
1597// RtlGetNtVersionNumbers returns the version of the underlying operating system,
1598// ignoring manifest semantics and the application compatibility layer.
1599func RtlGetNtVersionNumbers() (majorVersion, minorVersion, buildNumber uint32) {
1600 rtlGetNtVersionNumbers(&majorVersion, &minorVersion, &buildNumber)
1601 buildNumber &= 0xffff
1602 return
1603}
1604
1605// GetProcessPreferredUILanguages retrieves the process preferred UI languages.
1606func GetProcessPreferredUILanguages(flags uint32) ([]string, error) {
1607 return getUILanguages(flags, getProcessPreferredUILanguages)
1608}
1609
1610// GetThreadPreferredUILanguages retrieves the thread preferred UI languages for the current thread.
1611func GetThreadPreferredUILanguages(flags uint32) ([]string, error) {
1612 return getUILanguages(flags, getThreadPreferredUILanguages)
1613}
1614
1615// GetUserPreferredUILanguages retrieves information about the user preferred UI languages.
1616func GetUserPreferredUILanguages(flags uint32) ([]string, error) {
1617 return getUILanguages(flags, getUserPreferredUILanguages)
1618}
1619
1620// GetSystemPreferredUILanguages retrieves the system preferred UI languages.
1621func GetSystemPreferredUILanguages(flags uint32) ([]string, error) {
1622 return getUILanguages(flags, getSystemPreferredUILanguages)
1623}
1624
1625func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf *uint16, bufSize *uint32) error) ([]string, error) {
1626 size := uint32(128)
1627 for {
1628 var numLanguages uint32
1629 buf := make([]uint16, size)
1630 err := f(flags, &numLanguages, &buf[0], &size)
1631 if err == ERROR_INSUFFICIENT_BUFFER {
1632 continue
1633 }
1634 if err != nil {
1635 return nil, err
1636 }
1637 buf = buf[:size]
1638 if numLanguages == 0 || len(buf) == 0 { // GetProcessPreferredUILanguages may return numLanguages==0 with "\0\0"
1639 return []string{}, nil
1640 }
1641 if buf[len(buf)-1] == 0 {
1642 buf = buf[:len(buf)-1] // remove terminating null
1643 }
1644 languages := make([]string, 0, numLanguages)
1645 from := 0
1646 for i, c := range buf {
1647 if c == 0 {
1648 languages = append(languages, string(utf16.Decode(buf[from:i])))
1649 from = i + 1
1650 }
1651 }
1652 return languages, nil
1653 }
1654}
1655
1656func SetConsoleCursorPosition(console Handle, position Coord) error {
1657 return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position))))
1658}
1659
1660func GetStartupInfo(startupInfo *StartupInfo) error {
1661 getStartupInfo(startupInfo)
1662 return nil
1663}
1664
1665func (s NTStatus) Errno() syscall.Errno {
1666 return rtlNtStatusToDosErrorNoTeb(s)
1667}
1668
1669func langID(pri, sub uint16) uint32 { return uint32(sub)<<10 | uint32(pri) }
1670
1671func (s NTStatus) Error() string {
1672 b := make([]uint16, 300)
1673 n, err := FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_FROM_HMODULE|FORMAT_MESSAGE_ARGUMENT_ARRAY, modntdll.Handle(), uint32(s), langID(LANG_ENGLISH, SUBLANG_ENGLISH_US), b, nil)
1674 if err != nil {
1675 return fmt.Sprintf("NTSTATUS 0x%08x", uint32(s))
1676 }
1677 // trim terminating \r and \n
1678 for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {
1679 }
1680 return string(utf16.Decode(b[:n]))
1681}
1682
1683// NewNTUnicodeString returns a new NTUnicodeString structure for use with native
1684// NT APIs that work over the NTUnicodeString type. Note that most Windows APIs
1685// do not use NTUnicodeString, and instead UTF16PtrFromString should be used for
1686// the more common *uint16 string type.
1687func NewNTUnicodeString(s string) (*NTUnicodeString, error) {
1688 s16, err := UTF16FromString(s)
1689 if err != nil {
1690 return nil, err
1691 }
1692 n := uint16(len(s16) * 2)
1693 return &NTUnicodeString{
1694 Length: n - 2, // subtract 2 bytes for the NULL terminator
1695 MaximumLength: n,
1696 Buffer: &s16[0],
1697 }, nil
1698}
1699
1700// Slice returns a uint16 slice that aliases the data in the NTUnicodeString.
1701func (s *NTUnicodeString) Slice() []uint16 {
1702 // Note: this rounds the length down, if it happens
1703 // to (incorrectly) be odd. Probably safer than rounding up.
1704 return unsafe.Slice(s.Buffer, s.MaximumLength/2)[:s.Length/2]
1705}
1706
1707func (s *NTUnicodeString) String() string {
1708 return UTF16ToString(s.Slice())
1709}
1710
1711// NewNTString returns a new NTString structure for use with native
1712// NT APIs that work over the NTString type. Note that most Windows APIs
1713// do not use NTString, and instead UTF16PtrFromString should be used for
1714// the more common *uint16 string type.
1715func NewNTString(s string) (*NTString, error) {
1716 var nts NTString
1717 s8, err := BytePtrFromString(s)
1718 if err != nil {
1719 return nil, err
1720 }
1721 RtlInitString(&nts, s8)
1722 return &nts, nil
1723}
1724
1725// Slice returns a byte slice that aliases the data in the NTString.
1726func (s *NTString) Slice() []byte {
1727 slice := unsafe.Slice(s.Buffer, s.MaximumLength)
1728 return slice[:s.Length]
1729}
1730
1731func (s *NTString) String() string {
1732 return ByteSliceToString(s.Slice())
1733}
1734
1735// FindResource resolves a resource of the given name and resource type.
1736func FindResource(module Handle, name, resType ResourceIDOrString) (Handle, error) {
1737 var namePtr, resTypePtr uintptr
1738 var name16, resType16 *uint16
1739 var err error
1740 resolvePtr := func(i interface{}, keep **uint16) (uintptr, error) {
1741 switch v := i.(type) {
1742 case string:
1743 *keep, err = UTF16PtrFromString(v)
1744 if err != nil {
1745 return 0, err
1746 }
1747 return uintptr(unsafe.Pointer(*keep)), nil
1748 case ResourceID:
1749 return uintptr(v), nil
1750 }
1751 return 0, errorspkg.New("parameter must be a ResourceID or a string")
1752 }
1753 namePtr, err = resolvePtr(name, &name16)
1754 if err != nil {
1755 return 0, err
1756 }
1757 resTypePtr, err = resolvePtr(resType, &resType16)
1758 if err != nil {
1759 return 0, err
1760 }
1761 resInfo, err := findResource(module, namePtr, resTypePtr)
1762 runtime.KeepAlive(name16)
1763 runtime.KeepAlive(resType16)
1764 return resInfo, err
1765}
1766
1767func LoadResourceData(module, resInfo Handle) (data []byte, err error) {
1768 size, err := SizeofResource(module, resInfo)
1769 if err != nil {
1770 return
1771 }
1772 resData, err := LoadResource(module, resInfo)
1773 if err != nil {
1774 return
1775 }
1776 ptr, err := LockResource(resData)
1777 if err != nil {
1778 return
1779 }
1780 data = unsafe.Slice((*byte)(unsafe.Pointer(ptr)), size)
1781 return
1782}
1783
1784// PSAPI_WORKING_SET_EX_BLOCK contains extended working set information for a page.
1785type PSAPI_WORKING_SET_EX_BLOCK uint64
1786
1787// Valid returns the validity of this page.
1788// If this bit is 1, the subsequent members are valid; otherwise they should be ignored.
1789func (b PSAPI_WORKING_SET_EX_BLOCK) Valid() bool {
1790 return (b & 1) == 1
1791}
1792
1793// ShareCount is the number of processes that share this page. The maximum value of this member is 7.
1794func (b PSAPI_WORKING_SET_EX_BLOCK) ShareCount() uint64 {
1795 return b.intField(1, 3)
1796}
1797
1798// Win32Protection is the memory protection attributes of the page. For a list of values, see
1799// https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants
1800func (b PSAPI_WORKING_SET_EX_BLOCK) Win32Protection() uint64 {
1801 return b.intField(4, 11)
1802}
1803
1804// Shared returns the shared status of this page.
1805// If this bit is 1, the page can be shared.
1806func (b PSAPI_WORKING_SET_EX_BLOCK) Shared() bool {
1807 return (b & (1 << 15)) == 1
1808}
1809
1810// Node is the NUMA node. The maximum value of this member is 63.
1811func (b PSAPI_WORKING_SET_EX_BLOCK) Node() uint64 {
1812 return b.intField(16, 6)
1813}
1814
1815// Locked returns the locked status of this page.
1816// If this bit is 1, the virtual page is locked in physical memory.
1817func (b PSAPI_WORKING_SET_EX_BLOCK) Locked() bool {
1818 return (b & (1 << 22)) == 1
1819}
1820
1821// LargePage returns the large page status of this page.
1822// If this bit is 1, the page is a large page.
1823func (b PSAPI_WORKING_SET_EX_BLOCK) LargePage() bool {
1824 return (b & (1 << 23)) == 1
1825}
1826
1827// Bad returns the bad status of this page.
1828// If this bit is 1, the page is has been reported as bad.
1829func (b PSAPI_WORKING_SET_EX_BLOCK) Bad() bool {
1830 return (b & (1 << 31)) == 1
1831}
1832
1833// intField extracts an integer field in the PSAPI_WORKING_SET_EX_BLOCK union.
1834func (b PSAPI_WORKING_SET_EX_BLOCK) intField(start, length int) uint64 {
1835 var mask PSAPI_WORKING_SET_EX_BLOCK
1836 for pos := start; pos < start+length; pos++ {
1837 mask |= (1 << pos)
1838 }
1839
1840 masked := b & mask
1841 return uint64(masked >> start)
1842}
1843
1844// PSAPI_WORKING_SET_EX_INFORMATION contains extended working set information for a process.
1845type PSAPI_WORKING_SET_EX_INFORMATION struct {
1846 // The virtual address.
1847 VirtualAddress Pointer
1848 // A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at VirtualAddress.
1849 VirtualAttributes PSAPI_WORKING_SET_EX_BLOCK
1850}
1851
1852// CreatePseudoConsole creates a windows pseudo console.
1853func CreatePseudoConsole(size Coord, in Handle, out Handle, flags uint32, pconsole *Handle) error {
1854 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only
1855 // accept arguments that can be casted to uintptr, and Coord can't.
1856 return createPseudoConsole(*((*uint32)(unsafe.Pointer(&size))), in, out, flags, pconsole)
1857}
1858
1859// ResizePseudoConsole resizes the internal buffers of the pseudo console to the width and height specified in `size`.
1860func ResizePseudoConsole(pconsole Handle, size Coord) error {
1861 // We need this wrapper to manually cast Coord to uint32. The autogenerated wrappers only
1862 // accept arguments that can be casted to uintptr, and Coord can't.
1863 return resizePseudoConsole(pconsole, *((*uint32)(unsafe.Pointer(&size))))
1864}
1865
1866// DCB constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb.
1867const (
1868 CBR_110 = 110
1869 CBR_300 = 300
1870 CBR_600 = 600
1871 CBR_1200 = 1200
1872 CBR_2400 = 2400
1873 CBR_4800 = 4800
1874 CBR_9600 = 9600
1875 CBR_14400 = 14400
1876 CBR_19200 = 19200
1877 CBR_38400 = 38400
1878 CBR_57600 = 57600
1879 CBR_115200 = 115200
1880 CBR_128000 = 128000
1881 CBR_256000 = 256000
1882
1883 DTR_CONTROL_DISABLE = 0x00000000
1884 DTR_CONTROL_ENABLE = 0x00000010
1885 DTR_CONTROL_HANDSHAKE = 0x00000020
1886
1887 RTS_CONTROL_DISABLE = 0x00000000
1888 RTS_CONTROL_ENABLE = 0x00001000
1889 RTS_CONTROL_HANDSHAKE = 0x00002000
1890 RTS_CONTROL_TOGGLE = 0x00003000
1891
1892 NOPARITY = 0
1893 ODDPARITY = 1
1894 EVENPARITY = 2
1895 MARKPARITY = 3
1896 SPACEPARITY = 4
1897
1898 ONESTOPBIT = 0
1899 ONE5STOPBITS = 1
1900 TWOSTOPBITS = 2
1901)
1902
1903// EscapeCommFunction constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-escapecommfunction.
1904const (
1905 SETXOFF = 1
1906 SETXON = 2
1907 SETRTS = 3
1908 CLRRTS = 4
1909 SETDTR = 5
1910 CLRDTR = 6
1911 SETBREAK = 8
1912 CLRBREAK = 9
1913)
1914
1915// PurgeComm constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-purgecomm.
1916const (
1917 PURGE_TXABORT = 0x0001
1918 PURGE_RXABORT = 0x0002
1919 PURGE_TXCLEAR = 0x0004
1920 PURGE_RXCLEAR = 0x0008
1921)
1922
1923// SetCommMask constants. See https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setcommmask.
1924const (
1925 EV_RXCHAR = 0x0001
1926 EV_RXFLAG = 0x0002
1927 EV_TXEMPTY = 0x0004
1928 EV_CTS = 0x0008
1929 EV_DSR = 0x0010
1930 EV_RLSD = 0x0020
1931 EV_BREAK = 0x0040
1932 EV_ERR = 0x0080
1933 EV_RING = 0x0100
1934)