Probably not a great question anywhere, but the best possible home for this sort of question would be softwareengineering.stackexchange.com — Kirk Woll 7 secs ago

See How to ask and answer homework questions? and Open letter to students with homework problems. The requirement "Write the appropriate signal handlers for the parent and child processes, they will contain all the logic of the program." might lead to wrong design. Signal handlers may only call async-signal-safe functions, see man7.org/linux/man-pages/man7/signal-safety.7.html and wiki.sei.cmu.edu/confluence/display/c/… — Bodo 25 secs ago

See Open letter to students with homework problems and How do I ask and answer homework questions?. — Bodo 12 secs ago

Open letter to students with homework problems — matszwecja 7 secs ago

See How do I ask and answer homework questions? and Open letter to students with homework problems — cocomac 28 secs ago

See How do I ask and answer homework questions? and Open letter to students with homework problems. We won't do your assignment for you — cocomac 14 secs ago

Welcome to Stack Overflow. Please take the tour to learn how Stack Overflow works and read How to Ask on how to improve the quality of your question. Then check the help center to see which questions are on-topic on this site. Please see: Why is “Is it possible to…” a poorly worded question?. Please show your attempts you have tried and the problems/error messages you get from your attempts. — Progman 43 secs ago

How do I ask and answer homework questions? and Open letter to students with homework problems are worth reading. — Retired Ninja 52 secs ago

If it is about architecture, you may want to take a look at Software Engineering. From what I read, however (without knowing the exact use case), it sound like you may want to have two realms, which keycloak supports. — Turing85 11 secs ago

How do I ask and answer homework questions? | Open letter to students with homework problems | How much research effort is expected of Stack Overflow users? — Pranav Hosangadi 13 secs ago