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In languages like C, your application code can register what is called a signal handler. These functions get called when the process receives a signal. You could do something like reload a config file for example, without the user needing to stop and restart the process.
In languages like C, your application code can register what is called a signal handler. These functions get called when the process receives a signal. You could do something like reload a config file for example, without the user needing to stop and restart the process.