Java ExecutorService.newSingleThreadExecutor（）的C＃等价物，或者：如何序列化对资源的多线程访问

I have a couple of situations in my code where various threads can create work items that, for various reasons, shouldn't be done in parallel. I'd like to make sure the work gets done in a FIFO manner, regardless of what thread it comes in from. In Java, I'd put the work items on a single-threaded I have a couple of situations in my code where