bus

Description: A simple daemonless system for broadcasting messages locally
Status: Feature complete
Source: https://git.maandree.se/bus
Latest release: 3.1.10
License: ISC License (Internet Systems Consortium license)
Written in: C (ISO C99)

bus is a simple daemonless system for broadcasting messages locally. Communication over bus is synchronous. The broadcast call does not return until all listeners have received (and copied) the message. A malfunctioning program can lock the bus.