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I have a (C, Linux) application which handles Ctrl-C SIGINT by shutting down.
I’d like to add another signal handler so that I can use another keystroke combo for “reload configuration while running”.
So I’m looking from a signal I can send to the foreground process by keystroke, which doesn’t force the process to quit or suspend. Are there any others?
You can use
ctrl+Z,Value = 20
For more details refer this link.