1 files changed, 0 insertions, 96 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/sys/fd.go b/vendor/github.com/cilium/ebpf/internal/sys/fd.go
deleted file mode 100644
index 65517d45e..000000000
--- a/vendor/github.com/cilium/ebpf/internal/sys/fd.go
+++ /dev/null
@@ -1,96 +0,0 @@
-package sys
-
-import (
-	"fmt"
-	"math"
-	"os"
-	"runtime"
-	"strconv"
-
-	"github.com/cilium/ebpf/internal/unix"
-)
-
-var ErrClosedFd = unix.EBADF
-
-type FD struct {
-	raw int
-}
-
-func newFD(value int) *FD {
-	fd := &FD{value}
-	runtime.SetFinalizer(fd, (*FD).Close)
-	return fd
-}
-
-// NewFD wraps a raw fd with a finalizer.
-//
-// You must not use the raw fd after calling this function, since the underlying
-// file descriptor number may change. This is because the BPF UAPI assumes that
-// zero is not a valid fd value.
-func NewFD(value int) (*FD, error) {
-	if value < 0 {
-		return nil, fmt.Errorf("invalid fd %d", value)
-	}
-
-	fd := newFD(value)
-	if value != 0 {
-		return fd, nil
-	}
-
-	dup, err := fd.Dup()
-	_ = fd.Close()
-	return dup, err
-}
-
-func (fd *FD) String() string {
-	return strconv.FormatInt(int64(fd.raw), 10)
-}
-
-func (fd *FD) Int() int {
-	return fd.raw
-}
-
-func (fd *FD) Uint() uint32 {
-	if fd.raw < 0 || int64(fd.raw) > math.MaxUint32 {
-		// Best effort: this is the number most likely to be an invalid file
-		// descriptor. It is equal to -1 (on two's complement arches).
-		return math.MaxUint32
-	}
-	return uint32(fd.raw)
-}
-
-func (fd *FD) Close() error {
-	if fd.raw < 0 {
-		return nil
-	}
-
-	value := int(fd.raw)
-	fd.raw = -1
-
-	fd.Forget()
-	return unix.Close(value)
-}
-
-func (fd *FD) Forget() {
-	runtime.SetFinalizer(fd, nil)
-}
-
-func (fd *FD) Dup() (*FD, error) {
-	if fd.raw < 0 {
-		return nil, ErrClosedFd
-	}
-
-	// Always require the fd to be larger than zero: the BPF API treats the value
-	// as "no argument provided".
-	dup, err := unix.FcntlInt(uintptr(fd.raw), unix.F_DUPFD_CLOEXEC, 1)
-	if err != nil {
-		return nil, fmt.Errorf("can't dup fd: %v", err)
-	}
-
-	return newFD(dup), nil
-}
-
-func (fd *FD) File(name string) *os.File {
-	fd.Forget()
-	return os.NewFile(uintptr(fd.raw), name)
-}