libgo: Update Go library to master revision 15489/921e53d4863c.

From-SVN: r195560

1 files changed, 0 insertions, 19 deletions

diff --git a/libgo/go/os/file_unix.go b/libgo/go/os/file_unix.go
index 68f4be88d06..38adcf95c79 100644
--- a/libgo/go/os/file_unix.go
+++ b/libgo/go/os/file_unix.go
@@ -285,25 +285,6 @@ func basename(name string) string {
 	return name
 }
 
-// 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
-
-	// See ../syscall/exec.go for description of lock.
-	syscall.ForkLock.RLock()
-	e := syscall.Pipe(p[0:])
-	if e != nil {
-		syscall.ForkLock.RUnlock()
-		return nil, nil, NewSyscallError("pipe", e)
-	}
-	syscall.CloseOnExec(p[0])
-	syscall.CloseOnExec(p[1])
-	syscall.ForkLock.RUnlock()
-
-	return NewFile(uintptr(p[0]), "|0"), NewFile(uintptr(p[1]), "|1"), nil
-}
-
 // TempDir returns the default directory to use for temporary files.
 func TempDir() string {
 	dir := Getenv("TMPDIR")