Introduction - If you have any usage issues, please Google them yourself
Process to achieve the soft interrupt communications. Requirements: to use the system calls fork () creates two child processes, then the system call signal () to capture the keyboard up to the parent process the interrupt signal (ie, the DEL key) When the capture interrupt signal, the parent process with a system call kill () signal to the two processes, the child process to capture the signal output, respectively, after the termination of the following information: Child Process 1 is Killed by Parent! Child Process 2 is Killed by Parent! parent process to wait for two sub-process termination, output termination of the following information : Parent Process is killed!