35 lines
881 B
Go
35 lines
881 B
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build hurd linux netbsd dragonfly js,wasm
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package os
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import (
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"errors"
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"runtime"
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)
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// We query the executable path at init time to avoid the problem of
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// readlink returns a path appended with " (deleted)" when the original
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// binary gets deleted.
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var executablePath, executablePathErr = func() (string, error) {
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var procfn string
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switch runtime.GOOS {
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default:
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return "", errors.New("Executable not implemented for " + runtime.GOOS)
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case "hurd", "linux", "android":
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procfn = "/proc/self/exe"
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case "netbsd":
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procfn = "/proc/curproc/exe"
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case "dragonfly":
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procfn = "/proc/curproc/file"
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}
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return Readlink(procfn)
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}()
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func executable() (string, error) {
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return executablePath, executablePathErr
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}
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