AF_UNIX/SOCK_DGRAM is dropping messages

[Noel Grandin]

On 2021/04/01 6:02 pm, Ken Brown via Cygwin wrote:
> Here's the issue, briefly.  The communication is done via a Windows named pipe. The receiver creates the pipe when it 
> creates and binds its socket.  It creates only one pipe instance.  The sender connects to the pipe, writes, and closes 
> its handle.  But the pipe is not available for another sender to connect to until the receiver reads the message, after 
> which it disconnects the sender.
> 

This

    https://docs.microsoft.com/en-us/windows/win32/ipc/named-pipe-instances

seems to indicate that multiple pipe instances are needed to handle multiple clients nicely - it also has sample code 
for such.