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authorValentin Rothberg <rothberg@redhat.com>2019-06-24 11:29:13 +0200
committerValentin Rothberg <rothberg@redhat.com>2019-06-24 13:20:59 +0200
commitd697456dc90adbaf68224ed7c115b38d5855e582 (patch)
tree5fd88c48b34e7bead0028fa97e39f43f03880642 /vendor/golang.org/x/sys/unix/syscall_linux.go
parenta3211b73c62a9fcc13f09305bf629ef507b26d34 (diff)
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migrate to go-modules
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
-rw-r--r--vendor/golang.org/x/sys/unix/syscall_linux.go170
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