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// Copyright 2015 The go4 Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build linux netbsd openbsd dragonfly nacl
package osutil
import (
"errors"
"os"
"path/filepath"
"runtime"
)
func executable() (string, error) {
var procfn string
switch runtime.GOOS {
default:
return "", errors.New("Executable not implemented for " + runtime.GOOS)
case "linux":
procfn = "/proc/self/exe"
case "netbsd":
procfn = "/proc/curproc/exe"
case "openbsd":
procfn = "/proc/curproc/file"
case "dragonfly":
procfn = "/proc/curproc/file"
}
p, err := os.Readlink(procfn)
return filepath.Clean(p), err
}
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