On Wed, 20 Nov 2024 04:36:41 -0500 Rick Leir <rleir [ at ] leirtech [ dot ] com> wrote: > My guess is that it has something to do with the max port number. Nope. The actual answer was in my original email. They're using a pipe as a counting semaphore. I guess it was done this way for portability, before SysV or POSIX semaphores were widely standardized. Regards, Dianne. To unsubscribe send a blank message to linux+unsubscribe [ at ] linux-ottawa [ dot ] org To get help send a blank message to linux+help [ at ] linux-ottawa [ dot ] org To visit the archives: https://lists.linux-ottawa.org