c++ - How to send a signal to all process from child process? -


i 'm trying socket programming example using fork() call, problem is: when child process finished job, want kill other process. think if send singal others ... possible or 1 tell me way ?

an usual way of kill process group killpg() system call. man pages:

"killpg() sends signal sig process group pgrp."

along killpg(), get/setpgid might needed setup group properly.


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