diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/syscall_windows.go')
| -rw-r--r-- | vendor/golang.org/x/sys/windows/syscall_windows.go | 1153 |
1 files changed, 0 insertions, 1153 deletions
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows.go b/vendor/golang.org/x/sys/windows/syscall_windows.go deleted file mode 100644 index 1e9f4bb..0000000 --- a/vendor/golang.org/x/sys/windows/syscall_windows.go +++ /dev/null @@ -1,1153 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Windows system calls. - -package windows - -import ( - errorspkg "errors" - "sync" - "syscall" - "unicode/utf16" - "unsafe" -) - -type Handle uintptr - -const ( - InvalidHandle = ^Handle(0) - - // Flags for DefineDosDevice. - DDD_EXACT_MATCH_ON_REMOVE = 0x00000004 - DDD_NO_BROADCAST_SYSTEM = 0x00000008 - DDD_RAW_TARGET_PATH = 0x00000001 - DDD_REMOVE_DEFINITION = 0x00000002 - - // Return values for GetDriveType. - DRIVE_UNKNOWN = 0 - DRIVE_NO_ROOT_DIR = 1 - DRIVE_REMOVABLE = 2 - DRIVE_FIXED = 3 - DRIVE_REMOTE = 4 - DRIVE_CDROM = 5 - DRIVE_RAMDISK = 6 - - // File system flags from GetVolumeInformation and GetVolumeInformationByHandle. - FILE_CASE_SENSITIVE_SEARCH = 0x00000001 - FILE_CASE_PRESERVED_NAMES = 0x00000002 - FILE_FILE_COMPRESSION = 0x00000010 - FILE_DAX_VOLUME = 0x20000000 - FILE_NAMED_STREAMS = 0x00040000 - FILE_PERSISTENT_ACLS = 0x00000008 - FILE_READ_ONLY_VOLUME = 0x00080000 - FILE_SEQUENTIAL_WRITE_ONCE = 0x00100000 - FILE_SUPPORTS_ENCRYPTION = 0x00020000 - FILE_SUPPORTS_EXTENDED_ATTRIBUTES = 0x00800000 - FILE_SUPPORTS_HARD_LINKS = 0x00400000 - FILE_SUPPORTS_OBJECT_IDS = 0x00010000 - FILE_SUPPORTS_OPEN_BY_FILE_ID = 0x01000000 - FILE_SUPPORTS_REPARSE_POINTS = 0x00000080 - FILE_SUPPORTS_SPARSE_FILES = 0x00000040 - FILE_SUPPORTS_TRANSACTIONS = 0x00200000 - FILE_SUPPORTS_USN_JOURNAL = 0x02000000 - FILE_UNICODE_ON_DISK = 0x00000004 - FILE_VOLUME_IS_COMPRESSED = 0x00008000 - FILE_VOLUME_QUOTAS = 0x00000020 -) - -// StringToUTF16 is deprecated. Use UTF16FromString instead. -// If s contains a NUL byte this function panics instead of -// returning an error. -func StringToUTF16(s string) []uint16 { - a, err := UTF16FromString(s) - if err != nil { - panic("windows: string with NUL passed to StringToUTF16") - } - return a -} - -// UTF16FromString returns the UTF-16 encoding of the UTF-8 string -// s, with a terminating NUL added. If s contains a NUL byte at any -// location, it returns (nil, syscall.EINVAL). -func UTF16FromString(s string) ([]uint16, error) { - for i := 0; i < len(s); i++ { - if s[i] == 0 { - return nil, syscall.EINVAL - } - } - return utf16.Encode([]rune(s + "\x00")), nil -} - -// UTF16ToString returns the UTF-8 encoding of the UTF-16 sequence s, -// with a terminating NUL removed. -func UTF16ToString(s []uint16) string { - for i, v := range s { - if v == 0 { - s = s[0:i] - break - } - } - return string(utf16.Decode(s)) -} - -// StringToUTF16Ptr is deprecated. Use UTF16PtrFromString instead. -// If s contains a NUL byte this function panics instead of -// returning an error. -func StringToUTF16Ptr(s string) *uint16 { return &StringToUTF16(s)[0] } - -// UTF16PtrFromString returns pointer to the UTF-16 encoding of -// the UTF-8 string s, with a terminating NUL added. If s -// contains a NUL byte at any location, it returns (nil, syscall.EINVAL). -func UTF16PtrFromString(s string) (*uint16, error) { - a, err := UTF16FromString(s) - if err != nil { - return nil, err - } - return &a[0], nil -} - -func Getpagesize() int { return 4096 } - -// NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention. -// This is useful when interoperating with Windows code requiring callbacks. -func NewCallback(fn interface{}) uintptr { - return syscall.NewCallback(fn) -} - -// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention. -// This is useful when interoperating with Windows code requiring callbacks. -func NewCallbackCDecl(fn interface{}) uintptr { - return syscall.NewCallbackCDecl(fn) -} - -// windows api calls - -//sys GetLastError() (lasterr error) -//sys LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW -//sys LoadLibraryEx(libname string, zero Handle, flags uintptr) (handle Handle, err error) = LoadLibraryExW -//sys FreeLibrary(handle Handle) (err error) -//sys GetProcAddress(module Handle, procname string) (proc uintptr, err error) -//sys GetVersion() (ver uint32, err error) -//sys FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW -//sys ExitProcess(exitcode uint32) -//sys CreateFile(name *uint16, access uint32, mode uint32, sa *SecurityAttributes, createmode uint32, attrs uint32, templatefile int32) (handle Handle, err error) [failretval==InvalidHandle] = CreateFileW -//sys ReadFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) -//sys WriteFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) -//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff] -//sys CloseHandle(handle Handle) (err error) -//sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle] -//sys SetStdHandle(stdhandle uint32, handle Handle) (err error) -//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW -//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW -//sys FindClose(handle Handle) (err error) -//sys GetFileInformationByHandle(handle Handle, data *ByHandleFileInformation) (err error) -//sys GetCurrentDirectory(buflen uint32, buf *uint16) (n uint32, err error) = GetCurrentDirectoryW -//sys SetCurrentDirectory(path *uint16) (err error) = SetCurrentDirectoryW -//sys CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) = CreateDirectoryW -//sys RemoveDirectory(path *uint16) (err error) = RemoveDirectoryW -//sys DeleteFile(path *uint16) (err error) = DeleteFileW -//sys MoveFile(from *uint16, to *uint16) (err error) = MoveFileW -//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW -//sys GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW -//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW -//sys SetEndOfFile(handle Handle) (err error) -//sys GetSystemTimeAsFileTime(time *Filetime) -//sys GetSystemTimePreciseAsFileTime(time *Filetime) -//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff] -//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uint32, threadcnt uint32) (handle Handle, err error) -//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uint32, overlapped **Overlapped, timeout uint32) (err error) -//sys PostQueuedCompletionStatus(cphandle Handle, qty uint32, key uint32, overlapped *Overlapped) (err error) -//sys CancelIo(s Handle) (err error) -//sys CancelIoEx(s Handle, o *Overlapped) (err error) -//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 -//sys OpenProcess(da uint32, inheritHandle bool, pid uint32) (handle Handle, err error) -//sys TerminateProcess(handle Handle, exitcode uint32) (err error) -//sys GetExitCodeProcess(handle Handle, exitcode *uint32) (err error) -//sys GetStartupInfo(startupInfo *StartupInfo) (err error) = GetStartupInfoW -//sys GetCurrentProcess() (pseudoHandle Handle, err error) -//sys GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error) -//sys DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error) -//sys WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] -//sys GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW -//sys CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error) -//sys GetFileType(filehandle Handle) (n uint32, err error) -//sys CryptAcquireContext(provhandle *Handle, container *uint16, provider *uint16, provtype uint32, flags uint32) (err error) = advapi32.CryptAcquireContextW -//sys CryptReleaseContext(provhandle Handle, flags uint32) (err error) = advapi32.CryptReleaseContext -//sys CryptGenRandom(provhandle Handle, buflen uint32, buf *byte) (err error) = advapi32.CryptGenRandom -//sys GetEnvironmentStrings() (envs *uint16, err error) [failretval==nil] = kernel32.GetEnvironmentStringsW -//sys FreeEnvironmentStrings(envs *uint16) (err error) = kernel32.FreeEnvironmentStringsW -//sys GetEnvironmentVariable(name *uint16, buffer *uint16, size uint32) (n uint32, err error) = kernel32.GetEnvironmentVariableW -//sys SetEnvironmentVariable(name *uint16, value *uint16) (err error) = kernel32.SetEnvironmentVariableW -//sys SetFileTime(handle Handle, ctime *Filetime, atime *Filetime, wtime *Filetime) (err error) -//sys GetFileAttributes(name *uint16) (attrs uint32, err error) [failretval==INVALID_FILE_ATTRIBUTES] = kernel32.GetFileAttributesW -//sys SetFileAttributes(name *uint16, attrs uint32) (err error) = kernel32.SetFileAttributesW -//sys GetFileAttributesEx(name *uint16, level uint32, info *byte) (err error) = kernel32.GetFileAttributesExW -//sys GetCommandLine() (cmd *uint16) = kernel32.GetCommandLineW -//sys CommandLineToArgv(cmd *uint16, argc *int32) (argv *[8192]*[8192]uint16, err error) [failretval==nil] = shell32.CommandLineToArgvW -//sys LocalFree(hmem Handle) (handle Handle, err error) [failretval!=0] -//sys SetHandleInformation(handle Handle, mask uint32, flags uint32) (err error) -//sys FlushFileBuffers(handle Handle) (err error) -//sys GetFullPathName(path *uint16, buflen uint32, buf *uint16, fname **uint16) (n uint32, err error) = kernel32.GetFullPathNameW -//sys GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err error) = kernel32.GetLongPathNameW -//sys GetShortPathName(longpath *uint16, shortpath *uint16, buflen uint32) (n uint32, err error) = kernel32.GetShortPathNameW -//sys CreateFileMapping(fhandle Handle, sa *SecurityAttributes, prot uint32, maxSizeHigh uint32, maxSizeLow uint32, name *uint16) (handle Handle, err error) = kernel32.CreateFileMappingW -//sys MapViewOfFile(handle Handle, access uint32, offsetHigh uint32, offsetLow uint32, length uintptr) (addr uintptr, err error) -//sys UnmapViewOfFile(addr uintptr) (err error) -//sys FlushViewOfFile(addr uintptr, length uintptr) (err error) -//sys VirtualLock(addr uintptr, length uintptr) (err error) -//sys VirtualUnlock(addr uintptr, length uintptr) (err error) -//sys VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc -//sys VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree -//sys VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect -//sys TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile -//sys ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW -//sys CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW -//sys CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) [failretval==InvalidHandle] = crypt32.CertOpenStore -//sys CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore -//sys CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore -//sys CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore -//sys CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, additionalStore Handle, para *CertChainPara, flags uint32, reserved uintptr, chainCtx **CertChainContext) (err error) = crypt32.CertGetCertificateChain -//sys CertFreeCertificateChain(ctx *CertChainContext) = crypt32.CertFreeCertificateChain -//sys CertCreateCertificateContext(certEncodingType uint32, certEncoded *byte, encodedLen uint32) (context *CertContext, err error) [failretval==nil] = crypt32.CertCreateCertificateContext -//sys CertFreeCertificateContext(ctx *CertContext) (err error) = crypt32.CertFreeCertificateContext -//sys CertVerifyCertificateChainPolicy(policyOID uintptr, chain *CertChainContext, para *CertChainPolicyPara, status *CertChainPolicyStatus) (err error) = crypt32.CertVerifyCertificateChainPolicy -//sys RegOpenKeyEx(key Handle, subkey *uint16, options uint32, desiredAccess uint32, result *Handle) (regerrno error) = advapi32.RegOpenKeyExW -//sys RegCloseKey(key Handle) (regerrno error) = advapi32.RegCloseKey -//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 -//sys RegEnumKeyEx(key Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, classLen *uint32, lastWriteTime *Filetime) (regerrno error) = advapi32.RegEnumKeyExW -//sys RegQueryValueEx(key Handle, name *uint16, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegQueryValueExW -//sys getCurrentProcessId() (pid uint32) = kernel32.GetCurrentProcessId -//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode -//sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode -//sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo -//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW -//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW -//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot -//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW -//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW -//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error) -// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL. -//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW -//sys CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW -//sys GetCurrentThreadId() (id uint32) -//sys CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) = kernel32.CreateEventW -//sys CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) = kernel32.CreateEventExW -//sys OpenEvent(desiredAccess uint32, inheritHandle bool, name *uint16) (handle Handle, err error) = kernel32.OpenEventW -//sys SetEvent(event Handle) (err error) = kernel32.SetEvent -//sys ResetEvent(event Handle) (err error) = kernel32.ResetEvent -//sys PulseEvent(event Handle) (err error) = kernel32.PulseEvent - -// Volume Management Functions -//sys DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW -//sys DeleteVolumeMountPoint(volumeMountPoint *uint16) (err error) = DeleteVolumeMountPointW -//sys FindFirstVolume(volumeName *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeW -//sys FindFirstVolumeMountPoint(rootPathName *uint16, volumeMountPoint *uint16, bufferLength uint32) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstVolumeMountPointW -//sys FindNextVolume(findVolume Handle, volumeName *uint16, bufferLength uint32) (err error) = FindNextVolumeW -//sys FindNextVolumeMountPoint(findVolumeMountPoint Handle, volumeMountPoint *uint16, bufferLength uint32) (err error) = FindNextVolumeMountPointW -//sys FindVolumeClose(findVolume Handle) (err error) -//sys FindVolumeMountPointClose(findVolumeMountPoint Handle) (err error) -//sys GetDriveType(rootPathName *uint16) (driveType uint32) = GetDriveTypeW -//sys GetLogicalDrives() (drivesBitMask uint32, err error) [failretval==0] -//sys GetLogicalDriveStrings(bufferLength uint32, buffer *uint16) (n uint32, err error) [failretval==0] = GetLogicalDriveStringsW -//sys GetVolumeInformation(rootPathName *uint16, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationW -//sys GetVolumeInformationByHandle(file Handle, volumeNameBuffer *uint16, volumeNameSize uint32, volumeNameSerialNumber *uint32, maximumComponentLength *uint32, fileSystemFlags *uint32, fileSystemNameBuffer *uint16, fileSystemNameSize uint32) (err error) = GetVolumeInformationByHandleW -//sys GetVolumeNameForVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16, bufferlength uint32) (err error) = GetVolumeNameForVolumeMountPointW -//sys GetVolumePathName(fileName *uint16, volumePathName *uint16, bufferLength uint32) (err error) = GetVolumePathNameW -//sys GetVolumePathNamesForVolumeName(volumeName *uint16, volumePathNames *uint16, bufferLength uint32, returnLength *uint32) (err error) = GetVolumePathNamesForVolumeNameW -//sys QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW -//sys SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW -//sys SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW - -// syscall interface implementation for other packages - -// GetProcAddressByOrdinal retrieves the address of the exported -// function from module by ordinal. -func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) { - r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0) - proc = uintptr(r0) - if proc == 0 { - if e1 != 0 { - err = errnoErr(e1) - } else { - err = syscall.EINVAL - } - } - return -} - -func Exit(code int) { ExitProcess(uint32(code)) } - -func makeInheritSa() *SecurityAttributes { - var sa SecurityAttributes - sa.Length = uint32(unsafe.Sizeof(sa)) - sa.InheritHandle = 1 - return &sa -} - -func Open(path string, mode int, perm uint32) (fd Handle, err error) { - if len(path) == 0 { - return InvalidHandle, ERROR_FILE_NOT_FOUND - } - pathp, err := UTF16PtrFromString(path) - if err != nil { - return InvalidHandle, err - } - var access uint32 - switch mode & (O_RDONLY | O_WRONLY | O_RDWR) { - case O_RDONLY: - access = GENERIC_READ - case O_WRONLY: - access = GENERIC_WRITE - case O_RDWR: - access = GENERIC_READ | GENERIC_WRITE - } - if mode&O_CREAT != 0 { - access |= GENERIC_WRITE - } - if mode&O_APPEND != 0 { - access &^= GENERIC_WRITE - access |= FILE_APPEND_DATA - } - sharemode := uint32(FILE_SHARE_READ | FILE_SHARE_WRITE) - var sa *SecurityAttributes - if mode&O_CLOEXEC == 0 { - sa = makeInheritSa() - } - var createmode uint32 - switch { - case mode&(O_CREAT|O_EXCL) == (O_CREAT | O_EXCL): - createmode = CREATE_NEW - case mode&(O_CREAT|O_TRUNC) == (O_CREAT | O_TRUNC): - createmode = CREATE_ALWAYS - case mode&O_CREAT == O_CREAT: - createmode = OPEN_ALWAYS - case mode&O_TRUNC == O_TRUNC: - createmode = TRUNCATE_EXISTING - default: - createmode = OPEN_EXISTING - } - h, e := CreateFile(pathp, access, sharemode, sa, createmode, FILE_ATTRIBUTE_NORMAL, 0) - return h, e -} - -func Read(fd Handle, p []byte) (n int, err error) { - var done uint32 - e := ReadFile(fd, p, &done, nil) - if e != nil { - if e == ERROR_BROKEN_PIPE { - // NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin - return 0, nil - } - return 0, e - } - if raceenabled { - if done > 0 { - raceWriteRange(unsafe.Pointer(&p[0]), int(done)) - } - raceAcquire(unsafe.Pointer(&ioSync)) - } - return int(done), nil -} - -func Write(fd Handle, p []byte) (n int, err error) { - if raceenabled { - raceReleaseMerge(unsafe.Pointer(&ioSync)) - } - var done uint32 - e := WriteFile(fd, p, &done, nil) - if e != nil { - return 0, e - } - if raceenabled && done > 0 { - raceReadRange(unsafe.Pointer(&p[0]), int(done)) - } - return int(done), nil -} - -var ioSync int64 - -func Seek(fd Handle, offset int64, whence int) (newoffset int64, err error) { - var w uint32 - switch whence { - case 0: - w = FILE_BEGIN - case 1: - w = FILE_CURRENT - case 2: - w = FILE_END - } - hi := int32(offset >> 32) - lo := int32(offset) - // use GetFileType to check pipe, pipe can't do seek - ft, _ := GetFileType(fd) - if ft == FILE_TYPE_PIPE { - return 0, syscall.EPIPE - } - rlo, e := SetFilePointer(fd, lo, &hi, w) - if e != nil { - return 0, e - } - return int64(hi)<<32 + int64(rlo), nil -} - -func Close(fd Handle) (err error) { - return CloseHandle(fd) -} - -var ( - Stdin = getStdHandle(STD_INPUT_HANDLE) - Stdout = getStdHandle(STD_OUTPUT_HANDLE) - Stderr = getStdHandle(STD_ERROR_HANDLE) -) - -func getStdHandle(stdhandle uint32) (fd Handle) { - r, _ := GetStdHandle(stdhandle) - CloseOnExec(r) - return r -} - -const ImplementsGetwd = true - -func Getwd() (wd string, err error) { - b := make([]uint16, 300) - n, e := GetCurrentDirectory(uint32(len(b)), &b[0]) - if e != nil { - return "", e - } - return string(utf16.Decode(b[0:n])), nil -} - -func Chdir(path string) (err error) { - pathp, err := UTF16PtrFromString(path) - if err != nil { - return err - } - return SetCurrentDirectory(pathp) -} - -func Mkdir(path string, mode uint32) (err error) { - pathp, err := UTF16PtrFromString(path) - if err != nil { - return err - } - return CreateDirectory(pathp, nil) -} - -func Rmdir(path string) (err error) { - pathp, err := UTF16PtrFromString(path) - if err != nil { - return err - } - return RemoveDirectory(pathp) -} - -func Unlink(path string) (err error) { - pathp, err := UTF16PtrFromString(path) - if err != nil { - return err - } - return DeleteFile(pathp) -} - -func Rename(oldpath, newpath string) (err error) { - from, err := UTF16PtrFromString(oldpath) - if err != nil { - return err - } - to, err := UTF16PtrFromString(newpath) - if err != nil { - return err - } - return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) -} - -func ComputerName() (name string, err error) { - var n uint32 = MAX_COMPUTERNAME_LENGTH + 1 - b := make([]uint16, n) - e := GetComputerName(&b[0], &n) - if e != nil { - return "", e - } - return string(utf16.Decode(b[0:n])), nil -} - -func Ftruncate(fd Handle, length int64) (err error) { - curoffset, e := Seek(fd, 0, 1) - if e != nil { - return e - } - defer Seek(fd, curoffset, 0) - _, e = Seek(fd, length, 0) - if e != nil { - return e - } - e = SetEndOfFile(fd) - if e != nil { - return e - } - return nil -} - -func Gettimeofday(tv *Timeval) (err error) { - var ft Filetime - GetSystemTimeAsFileTime(&ft) - *tv = NsecToTimeval(ft.Nanoseconds()) - return nil -} - -func Pipe(p []Handle) (err error) { - if len(p) != 2 { - return syscall.EINVAL - } - var r, w Handle - e := CreatePipe(&r, &w, makeInheritSa(), 0) - if e != nil { - return e - } - p[0] = r - p[1] = w - return nil -} - -func Utimes(path string, tv []Timeval) (err error) { - if len(tv) != 2 { - return syscall.EINVAL - } - pathp, e := UTF16PtrFromString(path) - if e != nil { - return e - } - h, e := CreateFile(pathp, - FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, - OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) - if e != nil { - return e - } - defer Close(h) - a := NsecToFiletime(tv[0].Nanoseconds()) - w := NsecToFiletime(tv[1].Nanoseconds()) - return SetFileTime(h, nil, &a, &w) -} - -func UtimesNano(path string, ts []Timespec) (err error) { - if len(ts) != 2 { - return syscall.EINVAL - } - pathp, e := UTF16PtrFromString(path) - if e != nil { - return e - } - h, e := CreateFile(pathp, - FILE_WRITE_ATTRIBUTES, FILE_SHARE_WRITE, nil, - OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0) - if e != nil { - return e - } - defer Close(h) - a := NsecToFiletime(TimespecToNsec(ts[0])) - w := NsecToFiletime(TimespecToNsec(ts[1])) - return SetFileTime(h, nil, &a, &w) -} - -func Fsync(fd Handle) (err error) { - return FlushFileBuffers(fd) -} - -func Chmod(path string, mode uint32) (err error) { - if mode == 0 { - return syscall.EINVAL - } - p, e := UTF16PtrFromString(path) - if e != nil { - return e - } - attrs, e := GetFileAttributes(p) - if e != nil { - return e - } - if mode&S_IWRITE != 0 { - attrs &^= FILE_ATTRIBUTE_READONLY - } else { - attrs |= FILE_ATTRIBUTE_READONLY - } - return SetFileAttributes(p, attrs) -} - -func LoadGetSystemTimePreciseAsFileTime() error { - return procGetSystemTimePreciseAsFileTime.Find() -} - -func LoadCancelIoEx() error { - return procCancelIoEx.Find() -} - -func LoadSetFileCompletionNotificationModes() error { - return procSetFileCompletionNotificationModes.Find() -} - -// net api calls - -const socket_error = uintptr(^uint32(0)) - -//sys WSAStartup(verreq uint32, data *WSAData) (sockerr error) = ws2_32.WSAStartup -//sys WSACleanup() (err error) [failretval==socket_error] = ws2_32.WSACleanup -//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 -//sys socket(af int32, typ int32, protocol int32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.socket -//sys Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt -//sys Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt -//sys bind(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.bind -//sys connect(s Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socket_error] = ws2_32.connect -//sys getsockname(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockname -//sys getpeername(s Handle, rsa *RawSockaddrAny, addrlen *int32) (err error) [failretval==socket_error] = ws2_32.getpeername -//sys listen(s Handle, backlog int32) (err error) [failretval==socket_error] = ws2_32.listen -//sys shutdown(s Handle, how int32) (err error) [failretval==socket_error] = ws2_32.shutdown -//sys Closesocket(s Handle) (err error) [failretval==socket_error] = ws2_32.closesocket -//sys AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) = mswsock.AcceptEx -//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = mswsock.GetAcceptExSockaddrs -//sys WSARecv(s Handle, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSARecv -//sys WSASend(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, overlapped *Overlapped, croutine *byte) (err error) [failretval==socket_error] = ws2_32.WSASend -//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 -//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 -//sys GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname -//sys GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname -//sys Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs -//sys GetProtoByName(name string) (p *Protoent, err error) [failretval==nil] = ws2_32.getprotobyname -//sys DnsQuery(name string, qtype uint16, options uint32, extra *byte, qrs **DNSRecord, pr *byte) (status error) = dnsapi.DnsQuery_W -//sys DnsRecordListFree(rl *DNSRecord, freetype uint32) = dnsapi.DnsRecordListFree -//sys DnsNameCompare(name1 *uint16, name2 *uint16) (same bool) = dnsapi.DnsNameCompare_W -//sys GetAddrInfoW(nodename *uint16, servicename *uint16, hints *AddrinfoW, result **AddrinfoW) (sockerr error) = ws2_32.GetAddrInfoW -//sys FreeAddrInfoW(addrinfo *AddrinfoW) = ws2_32.FreeAddrInfoW -//sys GetIfEntry(pIfRow *MibIfRow) (errcode error) = iphlpapi.GetIfEntry -//sys GetAdaptersInfo(ai *IpAdapterInfo, ol *uint32) (errcode error) = iphlpapi.GetAdaptersInfo -//sys SetFileCompletionNotificationModes(handle Handle, flags uint8) (err error) = kernel32.SetFileCompletionNotificationModes -//sys WSAEnumProtocols(protocols *int32, protocolBuffer *WSAProtocolInfo, bufferLength *uint32) (n int32, err error) [failretval==-1] = ws2_32.WSAEnumProtocolsW -//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses -//sys GetACP() (acp uint32) = kernel32.GetACP -//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar - -// For testing: clients can set this flag to force -// creation of IPv6 sockets to return EAFNOSUPPORT. -var SocketDisableIPv6 bool - -type RawSockaddrInet4 struct { - Family uint16 - Port uint16 - Addr [4]byte /* in_addr */ - Zero [8]uint8 -} - -type RawSockaddrInet6 struct { - Family uint16 - Port uint16 - Flowinfo uint32 - Addr [16]byte /* in6_addr */ - Scope_id uint32 -} - -type RawSockaddr struct { - Family uint16 - Data [14]int8 -} - -type RawSockaddrAny struct { - Addr RawSockaddr - Pad [96]int8 -} - -type Sockaddr interface { - sockaddr() (ptr unsafe.Pointer, len int32, err error) // lowercase; only we can define Sockaddrs -} - -type SockaddrInet4 struct { - Port int - Addr [4]byte - raw RawSockaddrInet4 -} - -func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, int32, error) { - if sa.Port < 0 || sa.Port > 0xFFFF { - return nil, 0, syscall.EINVAL - } - sa.raw.Family = AF_INET - p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) - p[0] = byte(sa.Port >> 8) - p[1] = byte(sa.Port) - for i := 0; i < len(sa.Addr); i++ { - sa.raw.Addr[i] = sa.Addr[i] - } - return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil -} - -type SockaddrInet6 struct { - Port int - ZoneId uint32 - Addr [16]byte - raw RawSockaddrInet6 -} - -func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) { - if sa.Port < 0 || sa.Port > 0xFFFF { - return nil, 0, syscall.EINVAL - } - sa.raw.Family = AF_INET6 - p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) - p[0] = byte(sa.Port >> 8) - p[1] = byte(sa.Port) - sa.raw.Scope_id = sa.ZoneId - for i := 0; i < len(sa.Addr); i++ { - sa.raw.Addr[i] = sa.Addr[i] - } - return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil -} - -type SockaddrUnix struct { - Name string -} - -func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) { - // TODO(brainman): implement SockaddrUnix.sockaddr() - return nil, 0, syscall.EWINDOWS -} - -func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) { - switch rsa.Addr.Family { - case AF_UNIX: - return nil, syscall.EWINDOWS - - case AF_INET: - pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) - sa := new(SockaddrInet4) - p := (*[2]byte)(unsafe.Pointer(&pp.Port)) - sa.Port = int(p[0])<<8 + int(p[1]) - for i := 0; i < len(sa.Addr); i++ { - sa.Addr[i] = pp.Addr[i] - } - return sa, nil - - case AF_INET6: - pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) - sa := new(SockaddrInet6) - p := (*[2]byte)(unsafe.Pointer(&pp.Port)) - sa.Port = int(p[0])<<8 + int(p[1]) - sa.ZoneId = pp.Scope_id - for i := 0; i < len(sa.Addr); i++ { - sa.Addr[i] = pp.Addr[i] - } - return sa, nil - } - return nil, syscall.EAFNOSUPPORT -} - -func Socket(domain, typ, proto int) (fd Handle, err error) { - if domain == AF_INET6 && SocketDisableIPv6 { - return InvalidHandle, syscall.EAFNOSUPPORT - } - return socket(int32(domain), int32(typ), int32(proto)) -} - -func SetsockoptInt(fd Handle, level, opt int, value int) (err error) { - v := int32(value) - return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&v)), int32(unsafe.Sizeof(v))) -} - -func Bind(fd Handle, sa Sockaddr) (err error) { - ptr, n, err := sa.sockaddr() - if err != nil { - return err - } - return bind(fd, ptr, n) -} - -func Connect(fd Handle, sa Sockaddr) (err error) { - ptr, n, err := sa.sockaddr() - if err != nil { - return err - } - return connect(fd, ptr, n) -} - -func Getsockname(fd Handle) (sa Sockaddr, err error) { - var rsa RawSockaddrAny - l := int32(unsafe.Sizeof(rsa)) - if err = getsockname(fd, &rsa, &l); err != nil { - return - } - return rsa.Sockaddr() -} - -func Getpeername(fd Handle) (sa Sockaddr, err error) { - var rsa RawSockaddrAny - l := int32(unsafe.Sizeof(rsa)) - if err = getpeername(fd, &rsa, &l); err != nil { - return - } - return rsa.Sockaddr() -} - -func Listen(s Handle, n int) (err error) { - return listen(s, int32(n)) -} - -func Shutdown(fd Handle, how int) (err error) { - return shutdown(fd, int32(how)) -} - -func WSASendto(s Handle, bufs *WSABuf, bufcnt uint32, sent *uint32, flags uint32, to Sockaddr, overlapped *Overlapped, croutine *byte) (err error) { - rsa, l, err := to.sockaddr() - if err != nil { - return err - } - return WSASendTo(s, bufs, bufcnt, sent, flags, (*RawSockaddrAny)(unsafe.Pointer(rsa)), l, overlapped, croutine) -} - -func LoadGetAddrInfo() error { - return procGetAddrInfoW.Find() -} - -var connectExFunc struct { - once sync.Once - addr uintptr - err error -} - -func LoadConnectEx() error { - connectExFunc.once.Do(func() { - var s Handle - s, connectExFunc.err = Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) - if connectExFunc.err != nil { - return - } - defer CloseHandle(s) - var n uint32 - connectExFunc.err = WSAIoctl(s, - SIO_GET_EXTENSION_FUNCTION_POINTER, - (*byte)(unsafe.Pointer(&WSAID_CONNECTEX)), - uint32(unsafe.Sizeof(WSAID_CONNECTEX)), - (*byte)(unsafe.Pointer(&connectExFunc.addr)), - uint32(unsafe.Sizeof(connectExFunc.addr)), - &n, nil, 0) - }) - return connectExFunc.err -} - -func connectEx(s Handle, name unsafe.Pointer, namelen int32, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) (err error) { - 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) - if r1 == 0 { - if e1 != 0 { - err = error(e1) - } else { - err = syscall.EINVAL - } - } - return -} - -func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesSent *uint32, overlapped *Overlapped) error { - err := LoadConnectEx() - if err != nil { - return errorspkg.New("failed to find ConnectEx: " + err.Error()) - } - ptr, n, err := sa.sockaddr() - if err != nil { - return err - } - return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped) -} - -var sendRecvMsgFunc struct { - once sync.Once - sendAddr uintptr - recvAddr uintptr - err error -} - -func loadWSASendRecvMsg() error { - sendRecvMsgFunc.once.Do(func() { - var s Handle - s, sendRecvMsgFunc.err = Socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) - if sendRecvMsgFunc.err != nil { - return - } - defer CloseHandle(s) - var n uint32 - sendRecvMsgFunc.err = WSAIoctl(s, - SIO_GET_EXTENSION_FUNCTION_POINTER, - (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), - uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), - (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), - uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), - &n, nil, 0) - if sendRecvMsgFunc.err != nil { - return - } - sendRecvMsgFunc.err = WSAIoctl(s, - SIO_GET_EXTENSION_FUNCTION_POINTER, - (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), - uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), - (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), - uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), - &n, nil, 0) - }) - return sendRecvMsgFunc.err -} - -func WSASendMsg(fd Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *Overlapped, croutine *byte) error { - err := loadWSASendRecvMsg() - if err != nil { - return err - } - 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))) - if r1 == socket_error { - if e1 != 0 { - err = errnoErr(e1) - } else { - err = syscall.EINVAL - } - } - return err -} - -func WSARecvMsg(fd Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *Overlapped, croutine *byte) error { - err := loadWSASendRecvMsg() - if err != nil { - return err - } - 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) - if r1 == socket_error { - if e1 != 0 { - err = errnoErr(e1) - } else { - err = syscall.EINVAL - } - } - return err -} - -// Invented structures to support what package os expects. -type Rusage struct { - CreationTime Filetime - ExitTime Filetime - KernelTime Filetime - UserTime Filetime -} - -type WaitStatus struct { - ExitCode uint32 -} - -func (w WaitStatus) Exited() bool { return true } - -func (w WaitStatus) ExitStatus() int { return int(w.ExitCode) } - -func (w WaitStatus) Signal() Signal { return -1 } - -func (w WaitStatus) CoreDump() bool { return false } - -func (w WaitStatus) Stopped() bool { return false } - -func (w WaitStatus) Continued() bool { return false } - -func (w WaitStatus) StopSignal() Signal { return -1 } - -func (w WaitStatus) Signaled() bool { return false } - -func (w WaitStatus) TrapCause() int { return -1 } - -// Timespec is an invented structure on Windows, but here for -// consistency with the corresponding package for other operating systems. -type Timespec struct { - Sec int64 - Nsec int64 -} - -func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } - -func NsecToTimespec(nsec int64) (ts Timespec) { - ts.Sec = nsec / 1e9 - ts.Nsec = nsec % 1e9 - return -} - -// TODO(brainman): fix all needed for net - -func Accept(fd Handle) (nfd Handle, sa Sockaddr, err error) { return 0, nil, syscall.EWINDOWS } -func Recvfrom(fd Handle, p []byte, flags int) (n int, from Sockaddr, err error) { - return 0, nil, syscall.EWINDOWS -} -func Sendto(fd Handle, p []byte, flags int, to Sockaddr) (err error) { return syscall.EWINDOWS } -func SetsockoptTimeval(fd Handle, level, opt int, tv *Timeval) (err error) { return syscall.EWINDOWS } - -// The Linger struct is wrong but we only noticed after Go 1. -// sysLinger is the real system call structure. - -// BUG(brainman): The definition of Linger is not appropriate for direct use -// with Setsockopt and Getsockopt. -// Use SetsockoptLinger instead. - -type Linger struct { - Onoff int32 - Linger int32 -} - -type sysLinger struct { - Onoff uint16 - Linger uint16 -} - -type IPMreq struct { - Multiaddr [4]byte /* in_addr */ - Interface [4]byte /* in_addr */ -} - -type IPv6Mreq struct { - Multiaddr [16]byte /* in6_addr */ - Interface uint32 -} - -func GetsockoptInt(fd Handle, level, opt int) (int, error) { return -1, syscall.EWINDOWS } - -func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) { - sys := sysLinger{Onoff: uint16(l.Onoff), Linger: uint16(l.Linger)} - return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&sys)), int32(unsafe.Sizeof(sys))) -} - -func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) { - return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4) -} -func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) { - return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq))) -} -func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) { - return syscall.EWINDOWS -} - -func Getpid() (pid int) { return int(getCurrentProcessId()) } - -func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) { - // NOTE(rsc): The Win32finddata struct is wrong for the system call: - // the two paths are each one uint16 short. Use the correct struct, - // a win32finddata1, and then copy the results out. - // There is no loss of expressivity here, because the final - // uint16, if it is used, is supposed to be a NUL, and Go doesn't need that. - // For Go 1.1, we might avoid the allocation of win32finddata1 here - // by adding a final Bug [2]uint16 field to the struct and then - // adjusting the fields in the result directly. - var data1 win32finddata1 - handle, err = findFirstFile1(name, &data1) - if err == nil { - copyFindData(data, &data1) - } - return -} - -func FindNextFile(handle Handle, data *Win32finddata) (err error) { - var data1 win32finddata1 - err = findNextFile1(handle, &data1) - if err == nil { - copyFindData(data, &data1) - } - return -} - -func getProcessEntry(pid int) (*ProcessEntry32, error) { - snapshot, err := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) - if err != nil { - return nil, err - } - defer CloseHandle(snapshot) - var procEntry ProcessEntry32 - procEntry.Size = uint32(unsafe.Sizeof(procEntry)) - if err = Process32First(snapshot, &procEntry); err != nil { - return nil, err - } - for { - if procEntry.ProcessID == uint32(pid) { - return &procEntry, nil - } - err = Process32Next(snapshot, &procEntry) - if err != nil { - return nil, err - } - } -} - -func Getppid() (ppid int) { - pe, err := getProcessEntry(Getpid()) - if err != nil { - return -1 - } - return int(pe.ParentProcessID) -} - -// TODO(brainman): fix all needed for os -func Fchdir(fd Handle) (err error) { return syscall.EWINDOWS } -func Link(oldpath, newpath string) (err error) { return syscall.EWINDOWS } -func Symlink(path, link string) (err error) { return syscall.EWINDOWS } - -func Fchmod(fd Handle, mode uint32) (err error) { return syscall.EWINDOWS } -func Chown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } -func Lchown(path string, uid int, gid int) (err error) { return syscall.EWINDOWS } -func Fchown(fd Handle, uid int, gid int) (err error) { return syscall.EWINDOWS } - -func Getuid() (uid int) { return -1 } -func Geteuid() (euid int) { return -1 } -func Getgid() (gid int) { return -1 } -func Getegid() (egid int) { return -1 } -func Getgroups() (gids []int, err error) { return nil, syscall.EWINDOWS } - -type Signal int - -func (s Signal) Signal() {} - -func (s Signal) String() string { - if 0 <= s && int(s) < len(signals) { - str := signals[s] - if str != "" { - return str - } - } - return "signal " + itoa(int(s)) -} - -func LoadCreateSymbolicLink() error { - return procCreateSymbolicLinkW.Find() -} - -// Readlink returns the destination of the named symbolic link. -func Readlink(path string, buf []byte) (n int, err error) { - fd, err := CreateFile(StringToUTF16Ptr(path), GENERIC_READ, 0, nil, OPEN_EXISTING, - FILE_FLAG_OPEN_REPARSE_POINT|FILE_FLAG_BACKUP_SEMANTICS, 0) - if err != nil { - return -1, err - } - defer CloseHandle(fd) - - rdbbuf := make([]byte, MAXIMUM_REPARSE_DATA_BUFFER_SIZE) - var bytesReturned uint32 - err = DeviceIoControl(fd, FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil) - if err != nil { - return -1, err - } - - rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0])) - var s string - switch rdb.ReparseTag { - case IO_REPARSE_TAG_SYMLINK: - data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) - p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) - s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) - case IO_REPARSE_TAG_MOUNT_POINT: - data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer)) - p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0])) - s = UTF16ToString(p[data.PrintNameOffset/2 : (data.PrintNameLength-data.PrintNameOffset)/2]) - default: - // the path is not a symlink or junction but another type of reparse - // point - return -1, syscall.ENOENT - } - n = copy(buf, []byte(s)) - - return n, nil -} |