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authorStefan Majewsky <majewsky@gmx.net>2019-10-29 16:51:07 +0100
committerStefan Majewsky <majewsky@gmx.net>2019-10-29 16:51:07 +0100
commitafe18e86a7aa2248c69997ed941bcbe3e6b2a655 (patch)
tree7aaef5752ba8ad3465e9638c7adca71e1a103ee3 /vendor/golang.org/x/sys/windows/syscall_windows.go
parentef84ca3e82f422118c69a0c562433c185e1dcb9b (diff)
downloadgofu-afe18e86a7aa2248c69997ed941bcbe3e6b2a655.tar.gz
switch to go.mod
Diffstat (limited to 'vendor/golang.org/x/sys/windows/syscall_windows.go')
-rw-r--r--vendor/golang.org/x/sys/windows/syscall_windows.go254
1 files changed, 241 insertions, 13 deletions
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows.go b/vendor/golang.org/x/sys/windows/syscall_windows.go
index 99b11fe..7aff0d0 100644
--- a/vendor/golang.org/x/sys/windows/syscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/syscall_windows.go
@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// 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.
@@ -16,7 +16,46 @@ import (
type Handle uintptr
-const InvalidHandle = ^Handle(0)
+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
@@ -71,12 +110,19 @@ func UTF16PtrFromString(s string) (*uint16, error) {
func Getpagesize() int { return 4096 }
-// Converts a Go function to a function pointer conforming
-// to the stdcall or cdecl calling convention. This is useful when
-// interoperating with Windows code requiring callbacks.
-// Implemented in runtime/syscall_windows.goc
-func NewCallback(fn interface{}) uintptr
-func NewCallbackCDecl(fn interface{}) uintptr
+// 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.
+// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
+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.
+// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
+func NewCallbackCDecl(fn interface{}) uintptr {
+ return syscall.NewCallbackCDecl(fn)
+}
// windows api calls
@@ -91,6 +137,7 @@ func NewCallbackCDecl(fn interface{}) uintptr
//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 GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (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]
@@ -126,6 +173,7 @@ func NewCallbackCDecl(fn interface{}) uintptr
//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 waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects
//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)
@@ -154,6 +202,9 @@ func NewCallbackCDecl(fn interface{}) uintptr
//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
@@ -173,6 +224,8 @@ func NewCallbackCDecl(fn interface{}) uintptr
//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
@@ -183,11 +236,51 @@ func NewCallbackCDecl(fn interface{}) uintptr
//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 *syscall.SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) = kernel32.CreateEventW
+//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 {
@@ -486,6 +579,10 @@ func Chmod(path string, mode uint32) (err error) {
return SetFileAttributes(p, attrs)
}
+func LoadGetSystemTimePreciseAsFileTime() error {
+ return procGetSystemTimePreciseAsFileTime.Find()
+}
+
func LoadCancelIoEx() error {
return procCancelIoEx.Find()
}
@@ -494,6 +591,18 @@ func LoadSetFileCompletionNotificationModes() error {
return procSetFileCompletionNotificationModes.Find()
}
+func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
+ // Every other win32 array API takes arguments as "pointer, count", except for this function. So we
+ // can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore
+ // trivially stub this ourselves.
+
+ var handlePtr *Handle
+ if len(handles) > 0 {
+ handlePtr = &handles[0]
+ }
+ return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds)
+}
+
// net api calls
const socket_error = uintptr(^uint32(0))
@@ -560,7 +669,7 @@ type RawSockaddr struct {
type RawSockaddrAny struct {
Addr RawSockaddr
- Pad [96]int8
+ Pad [100]int8
}
type Sockaddr interface {
@@ -609,19 +718,69 @@ func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, int32, error) {
return unsafe.Pointer(&sa.raw), int32(unsafe.Sizeof(sa.raw)), nil
}
+type RawSockaddrUnix struct {
+ Family uint16
+ Path [UNIX_PATH_MAX]int8
+}
+
type SockaddrUnix struct {
Name string
+ raw RawSockaddrUnix
}
func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, int32, error) {
- // TODO(brainman): implement SockaddrUnix.sockaddr()
- return nil, 0, syscall.EWINDOWS
+ name := sa.Name
+ n := len(name)
+ if n > len(sa.raw.Path) {
+ return nil, 0, syscall.EINVAL
+ }
+ if n == len(sa.raw.Path) && name[0] != '@' {
+ return nil, 0, syscall.EINVAL
+ }
+ sa.raw.Family = AF_UNIX
+ for i := 0; i < n; i++ {
+ sa.raw.Path[i] = int8(name[i])
+ }
+ // length is family (uint16), name, NUL.
+ sl := int32(2)
+ if n > 0 {
+ sl += int32(n) + 1
+ }
+ if sa.raw.Path[0] == '@' {
+ sa.raw.Path[0] = 0
+ // Don't count trailing NUL for abstract address.
+ sl--
+ }
+
+ return unsafe.Pointer(&sa.raw), sl, nil
}
func (rsa *RawSockaddrAny) Sockaddr() (Sockaddr, error) {
switch rsa.Addr.Family {
case AF_UNIX:
- return nil, syscall.EWINDOWS
+ pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
+ sa := new(SockaddrUnix)
+ if pp.Path[0] == 0 {
+ // "Abstract" Unix domain socket.
+ // Rewrite leading NUL as @ for textual display.
+ // (This is the standard convention.)
+ // Not friendly to overwrite in place,
+ // but the callers below don't care.
+ pp.Path[0] = '@'
+ }
+
+ // Assume path ends at NUL.
+ // This is not technically the Linux semantics for
+ // abstract Unix domain sockets--they are supposed
+ // to be uninterpreted fixed-size binary blobs--but
+ // everyone uses this convention.
+ n := 0
+ for n < len(pp.Path) && pp.Path[n] != 0 {
+ n++
+ }
+ bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+ sa.Name = string(bytes)
+ return sa, nil
case AF_INET:
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
@@ -763,6 +922,75 @@ func ConnectEx(fd Handle, sa Sockaddr, sendBuf *byte, sendDataLen uint32, bytesS
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