golang plan9_test 代码
文件路径：/src/net/http/cgi/plan9_test.go
// Copyright 2013 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.
//go:build plan9
package cgi
import (
"os"
"strconv"
)
func isProcessRunning(pid int) bool {
_, err := os.Stat("/proc/" + strconv.Itoa(pid))
return err == nil
}