// 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.

// +build linux netbsd js,wasm

package os

import (

// We query the executable path at init time to avoid the problem of
// readlink returns a path appended with " (deleted)" when the original
// binary gets deleted.
var executablePath, executablePathErr = func() (string, error) {
	var  string
	switch runtime.GOOS {
		return "", errors.New("Executable not implemented for " + runtime.GOOS)
	case "linux", "android":
		 = "/proc/self/exe"
	case "netbsd":
		 = "/proc/curproc/exe"
	return Readlink()

func executable() (string, error) {
	return executablePath, executablePathErr