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Multi-process communication?

Question asked by holt_farley870611 on Mar 21, 2017

Is there a recommended method to communicate between running processes?


In particular, I need to block execution of a process if another process is currently running in the same atom/environment.  All I really need is a simple flag variable that can be accessed by both processes.  (The 2 processes run on different schedules, and can have significant variability in run times, so are not particularly amendable to collapsing to a single process.)