see 5' EDIT with important caveat in my above post

you can also use select() with timeout to read from your command or timeout in a loop like mine which checks if command is alive. See Threads and ALARM() - There is a solution or workaround?

In reply to Re^2: Using SIG{ALRM} within while loop. by bliako
in thread Using SIG{ALRM} within while loop. by evroom

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