Is there a synchronization class that guarantee FIFO order in C#?

Question

What is it and how to use?

I need that as I have a timer that inserts into DB every second, and I have a shared resource between timer handler and the main thread. I

Answer 1

In case anyone needs Matt's solution in F#

    type internal QueuedLock() =
        let innerLock = Object()
        let ticketsCount = ref 0
        let ticketToRide = ref 1
        member __.Enter () =
            let myTicket = Interlocked.Increment ticketsCount
            Monitor.Enter innerLock
            while myTicket <> Volatile.Read ticketToRide do
                Monitor.Wait innerLock |> ignore
        member __.Exit () =
            Interlocked.Increment ticketToRide |> ignore
            Monitor.PulseAll innerLock
            Monitor.Exit innerLock