package zlog

import (
	"io"
	"sync"
)

type WriteLocker interface {
	io.Writer
	sync.Locker
}

func WrapLocker(w io.Writer) WriteLocker {
	if wl, ok := w.(WriteLocker); ok {
		return wl
	}
	return &writeLocker{Writer: w}
}

type writeLocker struct {
	io.Writer
	sync.Mutex
}