I have a console application (lets call it the host) that manages several applications using System.Diagnostics.Process. The host controls the starting and stopping of these external processes.
When Ctrl+C (SIGINT) is issued to the console the host should safely terminate the other processes. The problem is that the other processes also receive Ctrl+C and terminate immediately, prior to the host being able to shut them down safely.
I know that the Ctrl+C is issued to every process in the console process tree. What can I do to prevent the Ctrl+C from reaching these other processes if the host is still up and running? I am not involved in the development of the other processes, and so can not change their handling of Ctrl+C directly. Thanks
Apparently you can set Console.TreatCtrlCAsInput = true which will allow you to handle that keystroke, stop the other processes, and then exit yourself. According to the MSDN docs, this property...
Gets or sets a value indicating whether the combination of the Control modifier key and C console key (Ctrl+C) is treated as ordinary input or as an interruption that is handled by the operating system.