关键词: 信号, 进程控制, Linux, 系统调用

Abstract: Signal is an effective way of communication between the processes in Linux system, through signal, information can be delivered between processes, and in the meanwhile signal can also control the operation of process to a certain extent. The paper introduces the system calls relating to applying signal, designs three models of controlling the operation of process by signal, and also analyses them with examples.

Key words: signal, process control, Linux, system call