// 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 dragonfly nacl js,wasm
|
|
package os
|
|
import (
|
"errors"
|
"runtime"
|
)
|
|
// 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 procfn string
|
switch runtime.GOOS {
|
default:
|
return "", errors.New("Executable not implemented for " + runtime.GOOS)
|
case "linux", "android":
|
procfn = "/proc/self/exe"
|
case "netbsd":
|
procfn = "/proc/curproc/exe"
|
case "dragonfly":
|
procfn = "/proc/curproc/file"
|
}
|
return Readlink(procfn)
|
}()
|
|
func executable() (string, error) {
|
return executablePath, executablePathErr
|
}
|
