diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux.go | 170 |
1 files changed, 159 insertions, 11 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index 776040233..11d07ace2 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -13,7 +13,7 @@ package unix import ( "encoding/binary" - "net" + "runtime" "syscall" "unsafe" ) @@ -38,6 +38,20 @@ func Creat(path string, mode uint32) (fd int, err error) { return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) } +//sys FanotifyInit(flags uint, event_f_flags uint) (fd int, err error) +//sys fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error) + +func FanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname string) (err error) { + if pathname == "" { + return fanotifyMark(fd, flags, mask, dirFd, nil) + } + p, err := BytePtrFromString(pathname) + if err != nil { + return err + } + return fanotifyMark(fd, flags, mask, dirFd, p) +} + //sys fchmodat(dirfd int, path string, mode uint32) (err error) func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { @@ -80,6 +94,12 @@ func ioctlSetTermios(fd int, req uint, value *Termios) error { return ioctl(fd, req, uintptr(unsafe.Pointer(value))) } +func IoctlSetRTCTime(fd int, value *RTCTime) error { + err := ioctl(fd, RTC_SET_TIME, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + // IoctlGetInt performs an ioctl operation which gets an integer value // from fd, using the specified request number. func IoctlGetInt(fd int, req uint) (int, error) { @@ -88,6 +108,12 @@ func IoctlGetInt(fd int, req uint) (int, error) { return value, err } +func IoctlGetUint32(fd int, req uint) (uint32, error) { + var value uint32 + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return value, err +} + func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { var value Winsize err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) @@ -100,6 +126,12 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) { return &value, err } +func IoctlGetRTCTime(fd int) (*RTCTime, error) { + var value RTCTime + err := ioctl(fd, RTC_RD_TIME, uintptr(unsafe.Pointer(&value))) + return &value, err +} + //sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) func Link(oldpath string, newpath string) (err error) { @@ -732,7 +764,7 @@ const px_proto_oe = 0 type SockaddrPPPoE struct { SID uint16 - Remote net.HardwareAddr + Remote []byte Dev string raw RawSockaddrPPPoX } @@ -883,7 +915,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { } sa := &SockaddrPPPoE{ SID: binary.BigEndian.Uint16(pp[6:8]), - Remote: net.HardwareAddr(pp[8:14]), + Remote: pp[8:14], } for i := 14; i < 14+IFNAMSIZ; i++ { if pp[i] == 0 { @@ -977,10 +1009,50 @@ func GetsockoptString(fd, level, opt int) (string, error) { return string(buf[:vallen-1]), nil } +func GetsockoptTpacketStats(fd, level, opt int) (*TpacketStats, error) { + var value TpacketStats + vallen := _Socklen(SizeofTpacketStats) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func GetsockoptTpacketStatsV3(fd, level, opt int) (*TpacketStatsV3, error) { + var value TpacketStatsV3 + vallen := _Socklen(SizeofTpacketStatsV3) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) } +func SetsockoptPacketMreq(fd, level, opt int, mreq *PacketMreq) error { + return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) +} + +// SetsockoptSockFprog attaches a classic BPF or an extended BPF program to a +// socket to filter incoming packets. See 'man 7 socket' for usage information. +func SetsockoptSockFprog(fd, level, opt int, fprog *SockFprog) error { + return setsockopt(fd, level, opt, unsafe.Pointer(fprog), unsafe.Sizeof(*fprog)) +} + +func SetsockoptCanRawFilter(fd, level, opt int, filter []CanFilter) error { + var p unsafe.Pointer + if len(filter) > 0 { + p = unsafe.Pointer(&filter[0]) + } + return setsockopt(fd, level, opt, p, uintptr(len(filter)*SizeofCanFilter)) +} + +func SetsockoptTpacketReq(fd, level, opt int, tp *TpacketReq) error { + return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp)) +} + +func SetsockoptTpacketReq3(fd, level, opt int, tp *TpacketReq3) error { + return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp)) +} + // Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html) // KeyctlInt calls keyctl commands in which each argument is an int. @@ -1341,10 +1413,6 @@ func Reboot(cmd int) (err error) { return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "") } -func ReadDirent(fd int, buf []byte) (n int, err error) { - return Getdents(fd, buf) -} - //sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error) func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) { @@ -1377,10 +1445,13 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e //sys Acct(path string) (err error) //sys AddKey(keyType string, description string, payload []byte, ringid int) (id int, err error) //sys Adjtimex(buf *Timex) (state int, err error) +//sys Capget(hdr *CapUserHeader, data *CapUserData) (err error) +//sys Capset(hdr *CapUserHeader, data *CapUserData) (err error) //sys Chdir(path string) (err error) //sys Chroot(path string) (err error) //sys ClockGetres(clockid int32, res *Timespec) (err error) //sys ClockGettime(clockid int32, time *Timespec) (err error) +//sys ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) //sys Close(fd int) (err error) //sys CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) //sys DeleteModule(name string, flags int) (err error) @@ -1441,7 +1512,6 @@ func Getpgrp() (pid int) { //sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) = SYS_PSELECT6 //sys read(fd int, p []byte) (n int, err error) //sys Removexattr(path string, attr string) (err error) -//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) //sys Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) //sys RequestKey(keyType string, description string, callback string, destRingid int) (id int, err error) //sys Setdomainname(p []byte) (err error) @@ -1464,8 +1534,13 @@ func Setgid(uid int) (err error) { return EOPNOTSUPP } +func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) { + return signalfd(fd, sigmask, _C__NSIG/8, flags) +} + //sys Setpriority(which int, who int, prio int) (err error) //sys Setxattr(path string, attr string, data []byte, flags int) (err error) +//sys signalfd(fd int, sigmask *Sigset_t, maskSize uintptr, flags int) (newfd int, err error) = SYS_SIGNALFD4 //sys Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) //sys Sync() //sys Syncfs(fd int) (err error) @@ -1594,6 +1669,82 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) { return EACCES } +//sys nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) = SYS_NAME_TO_HANDLE_AT +//sys openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) = SYS_OPEN_BY_HANDLE_AT + +// fileHandle is the argument to nameToHandleAt and openByHandleAt. We +// originally tried to generate it via unix/linux/types.go with "type +// fileHandle C.struct_file_handle" but that generated empty structs +// for mips64 and mips64le. Instead, hard code it for now (it's the +// same everywhere else) until the mips64 generator issue is fixed. +type fileHandle struct { + Bytes uint32 + Type int32 +} + +// FileHandle represents the C struct file_handle used by +// name_to_handle_at (see NameToHandleAt) and open_by_handle_at (see +// OpenByHandleAt). +type FileHandle struct { + *fileHandle +} + +// NewFileHandle constructs a FileHandle. +func NewFileHandle(handleType int32, handle []byte) FileHandle { + const hdrSize = unsafe.Sizeof(fileHandle{}) + buf := make([]byte, hdrSize+uintptr(len(handle))) + copy(buf[hdrSize:], handle) + fh := (*fileHandle)(unsafe.Pointer(&buf[0])) + fh.Type = handleType + fh.Bytes = uint32(len(handle)) + return FileHandle{fh} +} + +func (fh *FileHandle) Size() int { return int(fh.fileHandle.Bytes) } +func (fh *FileHandle) Type() int32 { return fh.fileHandle.Type } +func (fh *FileHandle) Bytes() []byte { + n := fh.Size() + if n == 0 { + return nil + } + return (*[1 << 30]byte)(unsafe.Pointer(uintptr(unsafe.Pointer(&fh.fileHandle.Type)) + 4))[:n:n] +} + +// NameToHandleAt wraps the name_to_handle_at system call; it obtains +// a handle for a path name. +func NameToHandleAt(dirfd int, path string, flags int) (handle FileHandle, mountID int, err error) { + var mid _C_int + // Try first with a small buffer, assuming the handle will + // only be 32 bytes. + size := uint32(32 + unsafe.Sizeof(fileHandle{})) + didResize := false + for { + buf := make([]byte, size) + fh := (*fileHandle)(unsafe.Pointer(&buf[0])) + fh.Bytes = size - uint32(unsafe.Sizeof(fileHandle{})) + err = nameToHandleAt(dirfd, path, fh, &mid, flags) + if err == EOVERFLOW { + if didResize { + // We shouldn't need to resize more than once + return + } + didResize = true + size = fh.Bytes + uint32(unsafe.Sizeof(fileHandle{})) + continue + } + if err != nil { + return + } + return FileHandle{fh}, int(mid), nil + } +} + +// OpenByHandleAt wraps the open_by_handle_at system call; it opens a +// file via a handle as previously returned by NameToHandleAt. +func OpenByHandleAt(mountFD int, handle FileHandle, flags int) (fd int, err error) { + return openByHandleAt(mountFD, handle.fileHandle, flags) +} + /* * Unimplemented */ @@ -1601,8 +1752,6 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) { // Alarm // ArchPrctl // Brk -// Capget -// Capset // ClockNanosleep // ClockSettime // Clone @@ -1682,7 +1831,6 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) { // Shmdt // Shmget // Sigaltstack -// Signalfd // Swapoff // Swapon // Sysfs |