UNIX系统信号机构简析及signal系统调用缺点

Analysis of Signal Component in UNIX and Defect of Signal Function

UNIX操作系统信号机构作为UNIX操作系统的核心部件之一 ,是操作系统正常运转的必备机制。本文对UNIX环境下信号机构的实现与正常运转做了细致的分析 :提出了用户使用信号机制存在的时间窗口问题 ,并给出了解决方法。

The signal component is one of the kernal components in UNIX operating system.It provides the base function for the whole operating system.This thesis describes how the signal component implements.At the same time it puts forward the time window when we use the signal function,At last,it gives us a method for the time window.