gcc/libgo/go/os/executable_procfs.go
Ian Lance Taylor dd931d9b48 libgo: update to Go 1.11
Reviewed-on: https://go-review.googlesource.com/136435

gotools/:
	* Makefile.am (mostlyclean-local): Run chmod on check-go-dir to
	make sure it is writable.
	(check-go-tools): Likewise.
	(check-vet): Copy internal/objabi to check-vet-dir.
	* Makefile.in: Rebuild.

From-SVN: r264546
2018-09-24 21:46:21 +00:00

35 lines
873 B
Go

// 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
}