blob: 69a70e18df030fe176a3605c64927aa112836fc0 [file] [log] [blame]
// 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 openbsd dragonfly nacl
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 "openbsd":
procfn = "/proc/curproc/file"
case "dragonfly":
procfn = "/proc/curproc/file"
}
return Readlink(procfn)
}()
func executable() (string, error) {
return executablePath, executablePathErr
}