Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/os/executable_plan9.go b/src/os/executable_plan9.go
new file mode 100644
index 0000000..8d8c832
--- /dev/null
+++ b/src/os/executable_plan9.go
@@ -0,0 +1,22 @@
+// Copyright 2016 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.
+
+//go:build plan9
+
+package os
+
+import (
+	"internal/itoa"
+	"syscall"
+)
+
+func executable() (string, error) {
+	fn := "/proc/" + itoa.Itoa(Getpid()) + "/text"
+	f, err := Open(fn)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+	return syscall.Fd2path(int(f.Fd()))
+}