mirror of https://github.com/perkeep/perkeep.git
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
// +build !appengine
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// +build linux darwin freebsd netbsd openbsd
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/*
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Copyright 2012 The Camlistore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package osutil
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import (
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"errors"
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"os"
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"runtime"
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"syscall"
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)
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// if non-nil, osSelfPath is used from selfPath.
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var osSelfPath func() (string, error)
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func selfPath() (string, error) {
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if f := osSelfPath; f != nil {
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return f()
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}
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switch runtime.GOOS {
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case "linux":
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return "/proc/self/exe", nil
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case "netbsd":
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return "/proc/curproc/exe", nil
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case "openbsd":
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return "/proc/curproc/file", nil
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case "darwin":
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// TODO(mpl): maybe do the right thing for darwin too, but that may require changes to runtime.
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// See https://codereview.appspot.com/6736069/
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return os.Args[0], nil
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}
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return "", errors.New("No restart because selfPath() not implemented for " + runtime.GOOS)
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}
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// restartProcess returns an error if things couldn't be
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// restarted. On success, this function never returns
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// because the process becomes the new process.
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func RestartProcess() error {
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path, err := selfPath()
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if err != nil {
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return err
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}
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return syscall.Exec(path, os.Args, os.Environ())
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}
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