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网站优化做些什么,个人网站备案备注信息,网站建设费入何科目,建外文网站Linux 进程与进程间通信全解析 1. 进程相关示例与应用 在 Linux 环境中，进程是构建各类应用的基础。下面我们先来看一个使用 waitpid 函数的示例： program waitpidExample; {$APPTYPE CONSOLE} usesLibc; varClonedProcess: integer;ChildStatus: integer;WaitResult: …Linux 进程与进程间通信全解析1. 进程相关示例与应用在 Linux 环境中，进程是构建各类应用的基础。下面我们先来看一个使用waitpid函数的示例：program waitpidExample; {$APPTYPE CONSOLE} uses Libc; var ClonedProcess: integer; ChildStatus: integer; WaitResult: integer; begin writeln('About to fork the process.'); ClonedProcess := fork; if ClonedProcess = 0 then begin //We are the child. Let's sleep on it writeln('The child process is about to sleep'); __sleep(5); writeln('The child process is awake.'); end else if ClonedProcess 0 then begin writeln('The fork was successful.'); writeln('Waiting on the child process to exit.'); WaitResult := waitpid(ClonedProcess, @ChildStatus, 0); if WaitResult –1 then