os: Plan 9 support.
R=rsc, ality, r, r2
CC=golang-dev
https://golang.org/cl/4149046
diff --git a/src/pkg/os/sys_plan9.go b/src/pkg/os/sys_plan9.go
new file mode 100644
index 0000000..ac44445
--- /dev/null
+++ b/src/pkg/os/sys_plan9.go
@@ -0,0 +1,27 @@
+// 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.
+
+// Plan 9-specific
+
+package os
+
+
+func Hostname() (name string, err Error) {
+ f, err := Open("#c/sysname", O_RDONLY, 0)
+ if err != nil {
+ return "", err
+ }
+ defer f.Close()
+
+ var buf [128]byte
+ n, err := f.Read(buf[:len(buf)-1])
+
+ if err != nil {
+ return "", err
+ }
+ if n > 0 {
+ buf[n] = 0
+ }
+ return string(buf[0:n]), nil
+}
