Golang Server.SocketFdの例

コード例 #1

ファイル: hot_restart.go プロジェクト: repos-go/falcore

// setup and fork/exec myself. Make sure to keep open important FD's that won't get re-created by the child
// specifically, std* and your listen socket
func forker(srv *falcore.Server) (pid int, err int) {
	fmt.Printf("Forking now with socket: %v\n", srv.SocketFd())
	mypath := os.Args[0]
	args := []string{mypath, "-socket", fmt.Sprintf("%v", srv.SocketFd())}
	attr := new(syscall.ProcAttr)
	attr.Files = append([]int(nil), 0, 1, 2, srv.SocketFd())
	pid, err = syscall.ForkExec(mypath, args, attr)
	return
}