// 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.

// +build !plan9

package cgi

import (
	"os"
	"syscall"
)

func isProcessRunning(pid int) bool {
	p, err := os.FindProcess(pid)
	if err != nil {
		return false
	}
	return p.Signal(syscall.Signal(0)) == nil
}
