1 files changed, 0 insertions, 420 deletions
diff --git a/gcc-4.8.1/libgo/go/os/file_plan9.go b/gcc-4.8.1/libgo/go/os/file_plan9.go
deleted file mode 100644
index fb2f2347d..000000000
--- a/gcc-4.8.1/libgo/go/os/file_plan9.go
+++ /dev/null
@@ -1,420 +0,0 @@
-// Copyright 2011 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.
-
-package os
-
-import (
-	"runtime"
-	"syscall"
-	"time"
-)
-
-// File represents an open file descriptor.
-type File struct {
-	*file
-}
-
-// file is the real representation of *File.
-// The extra level of indirection ensures that no clients of os
-// can overwrite this data, which could cause the finalizer
-// to close the wrong file descriptor.
-type file struct {
-	fd      int
-	name    string
-	dirinfo *dirInfo // nil unless directory being read
-}
-
-// Fd returns the integer Unix file descriptor referencing the open file.
-func (f *File) Fd() uintptr {
-	if f == nil {
-		return ^(uintptr(0))
-	}
-	return uintptr(f.fd)
-}
-
-// NewFile returns a new File with the given file descriptor and name.
-func NewFile(fd uintptr, name string) *File {
-	fdi := int(fd)
-	if fdi < 0 {
-		return nil
-	}
-	f := &File{&file{fd: fdi, name: name}}
-	runtime.SetFinalizer(f.file, (*file).close)
-	return f
-}
-
-// Auxiliary information if the File describes a directory
-type dirInfo struct {
-	buf  [syscall.STATMAX]byte // buffer for directory I/O
-	nbuf int                   // length of buf; return value from Read
-	bufp int                   // location of next record in buf.
-}
-
-func epipecheck(file *File, e error) {
-}
-
-// DevNull is the name of the operating system's ``null device.''
-// On Unix-like systems, it is "/dev/null"; on Windows, "NUL".
-const DevNull = "/dev/null"
-
-// syscallMode returns the syscall-specific mode bits from Go's portable mode bits.
-func syscallMode(i FileMode) (o uint32) {
-	o |= uint32(i.Perm())
-	if i&ModeAppend != 0 {
-		o |= syscall.DMAPPEND
-	}
-	if i&ModeExclusive != 0 {
-		o |= syscall.DMEXCL
-	}
-	if i&ModeTemporary != 0 {
-		o |= syscall.DMTMP
-	}
-	return
-}
-
-// OpenFile is the generalized open call; most users will use Open
-// or Create instead.  It opens the named file with specified flag
-// (O_RDONLY etc.) and perm, (0666 etc.) if applicable.  If successful,
-// methods on the returned File can be used for I/O.
-// If there is an error, it will be of type *PathError.
-func OpenFile(name string, flag int, perm FileMode) (file *File, err error) {
-	var (
-		fd     int
-		e      error
-		create bool
-		excl   bool
-		trunc  bool
-		append bool
-	)
-
-	if flag&O_CREATE == O_CREATE {
-		flag = flag & ^O_CREATE
-		create = true
-	}
-	if flag&O_EXCL == O_EXCL {
-		excl = true
-	}
-	if flag&O_TRUNC == O_TRUNC {
-		trunc = true
-	}
-	// O_APPEND is emulated on Plan 9
-	if flag&O_APPEND == O_APPEND {
-		flag = flag &^ O_APPEND
-		append = true
-	}
-
-	syscall.ForkLock.RLock()
-	if (create && trunc) || excl {
-		fd, e = syscall.Create(name, flag, syscallMode(perm))
-	} else {
-		fd, e = syscall.Open(name, flag)
-		if e != nil && create {
-			var e1 error
-			fd, e1 = syscall.Create(name, flag, syscallMode(perm))
-			if e1 == nil {
-				e = nil
-			}
-		}
-	}
-	syscall.ForkLock.RUnlock()
-
-	if e != nil {
-		return nil, &PathError{"open", name, e}
-	}
-
-	if append {
-		if _, e = syscall.Seek(fd, 0, SEEK_END); e != nil {
-			return nil, &PathError{"seek", name, e}
-		}
-	}
-
-	return NewFile(uintptr(fd), name), nil
-}
-
-// Close closes the File, rendering it unusable for I/O.
-// It returns an error, if any.
-func (f *File) Close() error {
-	return f.file.close()
-}
-
-func (file *file) close() error {
-	if file == nil || file.fd < 0 {
-		return ErrInvalid
-	}
-	var err error
-	syscall.ForkLock.RLock()
-	if e := syscall.Close(file.fd); e != nil {
-		err = &PathError{"close", file.name, e}
-	}
-	syscall.ForkLock.RUnlock()
-	file.fd = -1 // so it can't be closed again
-
-	// no need for a finalizer anymore
-	runtime.SetFinalizer(file, nil)
-	return err
-}
-
-// Stat returns the FileInfo structure describing file.
-// If there is an error, it will be of type *PathError.
-func (f *File) Stat() (fi FileInfo, err error) {
-	d, err := dirstat(f)
-	if err != nil {
-		return nil, err
-	}
-	return fileInfoFromStat(d), nil
-}
-
-// Truncate changes the size of the file.
-// It does not change the I/O offset.
-// If there is an error, it will be of type *PathError.
-func (f *File) Truncate(size int64) error {
-	var d syscall.Dir
-
-	d.Null()
-	d.Length = size
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return &PathError{"truncate", f.name, err}
-	}
-	if err = syscall.Fwstat(f.fd, buf[:n]); err != nil {
-		return &PathError{"truncate", f.name, err}
-	}
-	return nil
-}
-
-const chmodMask = uint32(syscall.DMAPPEND | syscall.DMEXCL | syscall.DMTMP | ModePerm)
-
-// Chmod changes the mode of the file to mode.
-// If there is an error, it will be of type *PathError.
-func (f *File) Chmod(mode FileMode) error {
-	var d syscall.Dir
-
-	odir, e := dirstat(f)
-	if e != nil {
-		return &PathError{"chmod", f.name, e}
-	}
-	d.Null()
-	d.Mode = odir.Mode&^chmodMask | syscallMode(mode)&chmodMask
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return &PathError{"chmod", f.name, err}
-	}
-	if err = syscall.Fwstat(f.fd, buf[:n]); err != nil {
-		return &PathError{"chmod", f.name, err}
-	}
-	return nil
-}
-
-// Sync commits the current contents of the file to stable storage.
-// Typically, this means flushing the file system's in-memory copy
-// of recently written data to disk.
-func (f *File) Sync() (err error) {
-	if f == nil {
-		return ErrInvalid
-	}
-	var d syscall.Dir
-	d.Null()
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return NewSyscallError("fsync", err)
-	}
-	if err = syscall.Fwstat(f.fd, buf[:n]); err != nil {
-		return NewSyscallError("fsync", err)
-	}
-	return nil
-}
-
-// read reads up to len(b) bytes from the File.
-// It returns the number of bytes read and an error, if any.
-func (f *File) read(b []byte) (n int, err error) {
-	return syscall.Read(f.fd, b)
-}
-
-// pread reads len(b) bytes from the File starting at byte offset off.
-// It returns the number of bytes read and the error, if any.
-// EOF is signaled by a zero count with err set to nil.
-func (f *File) pread(b []byte, off int64) (n int, err error) {
-	return syscall.Pread(f.fd, b, off)
-}
-
-// write writes len(b) bytes to the File.
-// It returns the number of bytes written and an error, if any.
-func (f *File) write(b []byte) (n int, err error) {
-	return syscall.Write(f.fd, b)
-}
-
-// pwrite writes len(b) bytes to the File starting at byte offset off.
-// It returns the number of bytes written and an error, if any.
-func (f *File) pwrite(b []byte, off int64) (n int, err error) {
-	return syscall.Pwrite(f.fd, b, off)
-}
-
-// seek sets the offset for the next Read or Write on file to offset, interpreted
-// according to whence: 0 means relative to the origin of the file, 1 means
-// relative to the current offset, and 2 means relative to the end.
-// It returns the new offset and an error, if any.
-func (f *File) seek(offset int64, whence int) (ret int64, err error) {
-	return syscall.Seek(f.fd, offset, whence)
-}
-
-// Truncate changes the size of the named file.
-// If the file is a symbolic link, it changes the size of the link's target.
-// If there is an error, it will be of type *PathError.
-func Truncate(name string, size int64) error {
-	var d syscall.Dir
-
-	d.Null()
-	d.Length = size
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return &PathError{"truncate", name, err}
-	}
-	if err = syscall.Wstat(name, buf[:n]); err != nil {
-		return &PathError{"truncate", name, err}
-	}
-	return nil
-}
-
-// Remove removes the named file or directory.
-// If there is an error, it will be of type *PathError.
-func Remove(name string) error {
-	if e := syscall.Remove(name); e != nil {
-		return &PathError{"remove", name, e}
-	}
-	return nil
-}
-
-// Rename renames a file.
-func Rename(oldname, newname string) error {
-	var d syscall.Dir
-
-	d.Null()
-	d.Name = newname
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return &PathError{"rename", oldname, err}
-	}
-	if err = syscall.Wstat(oldname, buf[:n]); err != nil {
-		return &PathError{"rename", oldname, err}
-	}
-	return nil
-}
-
-// Chmod changes the mode of the named file to mode.
-// If the file is a symbolic link, it changes the mode of the link's target.
-// If there is an error, it will be of type *PathError.
-func Chmod(name string, mode FileMode) error {
-	var d syscall.Dir
-
-	odir, e := dirstat(name)
-	if e != nil {
-		return &PathError{"chmod", name, e}
-	}
-	d.Null()
-	d.Mode = odir.Mode&^chmodMask | syscallMode(mode)&chmodMask
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return &PathError{"chmod", name, err}
-	}
-	if err = syscall.Wstat(name, buf[:n]); err != nil {
-		return &PathError{"chmod", name, err}
-	}
-	return nil
-}
-
-// Chtimes changes the access and modification times of the named
-// file, similar to the Unix utime() or utimes() functions.
-//
-// The underlying filesystem may truncate or round the values to a
-// less precise time unit.
-// If there is an error, it will be of type *PathError.
-func Chtimes(name string, atime time.Time, mtime time.Time) error {
-	var d syscall.Dir
-
-	d.Null()
-	d.Atime = uint32(atime.Unix())
-	d.Mtime = uint32(mtime.Unix())
-
-	var buf [syscall.STATFIXLEN]byte
-	n, err := d.Marshal(buf[:])
-	if err != nil {
-		return &PathError{"chtimes", name, err}
-	}
-	if err = syscall.Wstat(name, buf[:n]); err != nil {
-		return &PathError{"chtimes", name, err}
-	}
-	return nil
-}
-
-// Pipe returns a connected pair of Files; reads from r return bytes
-// written to w. It returns the files and an error, if any.
-func Pipe() (r *File, w *File, err error) {
-	var p [2]int
-
-	syscall.ForkLock.RLock()
-	if e := syscall.Pipe(p[0:]); e != nil {
-		syscall.ForkLock.RUnlock()
-		return nil, nil, NewSyscallError("pipe", e)
-	}
-	syscall.ForkLock.RUnlock()
-
-	return NewFile(uintptr(p[0]), "|0"), NewFile(uintptr(p[1]), "|1"), nil
-}
-
-// not supported on Plan 9
-
-// Link creates newname as a hard link to the oldname file.
-// If there is an error, it will be of type *LinkError.
-func Link(oldname, newname string) error {
-	return &LinkError{"link", oldname, newname, syscall.EPLAN9}
-}
-
-// Symlink creates newname as a symbolic link to oldname.
-// If there is an error, it will be of type *LinkError.
-func Symlink(oldname, newname string) error {
-	return &LinkError{"symlink", oldname, newname, syscall.EPLAN9}
-}
-
-// Readlink returns the destination of the named symbolic link.
-// If there is an error, it will be of type *PathError.
-func Readlink(name string) (string, error) {
-	return "", &PathError{"readlink", name, syscall.EPLAN9}
-}
-
-// Chown changes the numeric uid and gid of the named file.
-// If the file is a symbolic link, it changes the uid and gid of the link's target.
-// If there is an error, it will be of type *PathError.
-func Chown(name string, uid, gid int) error {
-	return &PathError{"chown", name, syscall.EPLAN9}
-}
-
-// Lchown changes the numeric uid and gid of the named file.
-// If the file is a symbolic link, it changes the uid and gid of the link itself.
-// If there is an error, it will be of type *PathError.
-func Lchown(name string, uid, gid int) error {
-	return &PathError{"lchown", name, syscall.EPLAN9}
-}
-
-// Chown changes the numeric uid and gid of the named file.
-// If there is an error, it will be of type *PathError.
-func (f *File) Chown(uid, gid int) error {
-	return &PathError{"chown", f.name, syscall.EPLAN9}
-}
-
-// TempDir returns the default directory to use for temporary files.
-func TempDir() string {
-	return "/tmp"
-}