1 files changed, 0 insertions, 295 deletions
diff --git a/gcc-4.8.1/libgo/go/os/file_unix.go b/gcc-4.8.1/libgo/go/os/file_unix.go
deleted file mode 100644
index 38adcf95c..000000000
--- a/gcc-4.8.1/libgo/go/os/file_unix.go
+++ /dev/null
@@ -1,295 +0,0 @@
-// 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.
-
-// +build darwin freebsd linux netbsd openbsd
-
-package os
-
-import (
-	"runtime"
-	"sync/atomic"
-	"syscall"
-)
-
-// 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
-	nepipe  int32    // number of consecutive EPIPE in Write
-}
-
-// 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 []byte       // buffer for directory I/O
-	dir *syscall.DIR // from opendir
-}
-
-func epipecheck(file *File, e error) {
-	if e == syscall.EPIPE {
-		if atomic.AddInt32(&file.nepipe, 1) >= 10 {
-			sigpipe()
-		}
-	} else {
-		atomic.StoreInt32(&file.nepipe, 0)
-	}
-}
-
-// 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"
-
-// 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) {
-	r, e := syscall.Open(name, flag|syscall.O_CLOEXEC, syscallMode(perm))
-	if e != nil {
-		return nil, &PathError{"open", name, e}
-	}
-
-	// There's a race here with fork/exec, which we are
-	// content to live with.  See ../syscall/exec_unix.go.
-	// On OS X 10.6, the O_CLOEXEC flag is not respected.
-	// On OS X 10.7, the O_CLOEXEC flag works.
-	// Without a cheap & reliable way to detect 10.6 vs 10.7 at
-	// runtime, we just always call syscall.CloseOnExec on Darwin.
-	// Once >=10.7 is prevalent, this extra call can removed.
-	if syscall.O_CLOEXEC == 0 || runtime.GOOS == "darwin" { // O_CLOEXEC not supported
-		syscall.CloseOnExec(r)
-	}
-
-	return NewFile(uintptr(r), 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 syscall.EINVAL
-	}
-	var err error
-	if e := syscall.Close(file.fd); e != nil {
-		err = &PathError{"close", file.name, e}
-	}
-
-	if file.dirinfo != nil {
-		syscall.Entersyscall()
-		i := libc_closedir(file.dirinfo.dir)
-		errno := syscall.GetErrno()
-		syscall.Exitsyscall()
-		file.dirinfo = nil
-		if i < 0 && err == nil {
-			err = &PathError{"closedir", file.name, errno}
-		}
-	}
-
-	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) {
-	var stat syscall.Stat_t
-	err = syscall.Fstat(f.fd, &stat)
-	if err != nil {
-		return nil, &PathError{"stat", f.name, err}
-	}
-	return fileInfoFromStat(&stat, f.name), nil
-}
-
-// Stat returns a FileInfo describing the named file.
-// If there is an error, it will be of type *PathError.
-func Stat(name string) (fi FileInfo, err error) {
-	var stat syscall.Stat_t
-	err = syscall.Stat(name, &stat)
-	if err != nil {
-		return nil, &PathError{"stat", name, err}
-	}
-	return fileInfoFromStat(&stat, name), nil
-}
-
-// Lstat returns a FileInfo describing the named file.
-// If the file is a symbolic link, the returned FileInfo
-// describes the symbolic link.  Lstat makes no attempt to follow the link.
-// If there is an error, it will be of type *PathError.
-func Lstat(name string) (fi FileInfo, err error) {
-	var stat syscall.Stat_t
-	err = syscall.Lstat(name, &stat)
-	if err != nil {
-		return nil, &PathError{"lstat", name, err}
-	}
-	return fileInfoFromStat(&stat, name), nil
-}
-
-func (f *File) readdir(n int) (fi []FileInfo, err error) {
-	dirname := f.name
-	if dirname == "" {
-		dirname = "."
-	}
-	dirname += "/"
-	names, err := f.Readdirnames(n)
-	fi = make([]FileInfo, len(names))
-	for i, filename := range names {
-		fip, err := Lstat(dirname + filename)
-		if err == nil {
-			fi[i] = fip
-		} else {
-			fi[i] = &fileStat{name: filename}
-		}
-	}
-	return fi, err
-}
-
-// 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 0.
-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) {
-	for {
-		m, err := syscall.Write(f.fd, b)
-		n += m
-
-		// If the syscall wrote some data but not all (short write)
-		// or it returned EINTR, then assume it stopped early for
-		// reasons that are uninteresting to the caller, and try again.
-		if 0 < m && m < len(b) || err == syscall.EINTR {
-			b = b[m:]
-			continue
-		}
-
-		return n, err
-	}
-	panic("not reached")
-}
-
-// 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 {
-	if e := syscall.Truncate(name, size); e != nil {
-		return &PathError{"truncate", name, e}
-	}
-	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 {
-	// System call interface forces us to know
-	// whether name is a file or directory.
-	// Try both: it is cheaper on average than
-	// doing a Stat plus the right one.
-	e := syscall.Unlink(name)
-	if e == nil {
-		return nil
-	}
-	e1 := syscall.Rmdir(name)
-	if e1 == nil {
-		return nil
-	}
-
-	// Both failed: figure out which error to return.
-	// OS X and Linux differ on whether unlink(dir)
-	// returns EISDIR, so can't use that.  However,
-	// both agree that rmdir(file) returns ENOTDIR,
-	// so we can use that to decide which error is real.
-	// Rmdir might also return ENOTDIR if given a bad
-	// file path, like /etc/passwd/foo, but in that case,
-	// both errors will be ENOTDIR, so it's okay to
-	// use the error from unlink.
-	if e1 != syscall.ENOTDIR {
-		e = e1
-	}
-	return &PathError{"remove", name, e}
-}
-
-// basename removes trailing slashes and the leading directory name from path name
-func basename(name string) string {
-	i := len(name) - 1
-	// Remove trailing slashes
-	for ; i > 0 && name[i] == '/'; i-- {
-		name = name[:i]
-	}
-	// Remove leading directory name
-	for i--; i >= 0; i-- {
-		if name[i] == '/' {
-			name = name[i+1:]
-			break
-		}
-	}
-
-	return name
-}
-
-// TempDir returns the default directory to use for temporary files.
-func TempDir() string {
-	dir := Getenv("TMPDIR")
-	if dir == "" {
-		dir = "/tmp"
-	}
-	return dir
-}