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Hi all ! :)

What I want?
1. All child process must be in the same group of process. Parent is a leader of the group.

How to do this? I would be greatfull of some example of code, I read...

Thank you very much ! However I have to do this part of work with signals.. next chapter will be pipe... Anyhow I will trying to clean code just a little bit, remove printf - unsafe method, write...

THX for ansewer, mate !

Ok, so: I have to have some random numbers - Can I do that better? (1)
Second - I try to block SIGUSR1 -I will be grateful if you could tell if I do this in the right...

Hi @ll :)

I have a problem with my code but first a short description:

1. I have one signal call SIGUSR1
2. In the signal I try to use nanosleep and now:

When I put kill -SIGUSR1 pid -->...