If we run system("program &");, is there a way to know when "program" has finished its execution?
No.
Instead, create a signal handler for SIGCHLD, then fork(), and do system("program") in the child.

Dave.

In reply to Re: how can we tell when a background process is finished? by dave_the_m
in thread how can we tell when a background process is finished? by Anonymous Monk

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