process defunct

HanoverLink: Defunct process zombie processWhen testing a Demo of a directfb+gstreamer-based video network system, a large number of the statements that were invoked by the system, such as system ("./play") in the menu code, were executed several

I recently read Steven S's "Unix environment programming". Chapter 8 describes process control, which contains descriptions of zombie processes, but I still don't know much about it. There is an article about the defunct process of UNIX on the

One, what is the defunct process (zombie process) in Linux   system, a process is over, but his parent process does not wait (call the waiting/ waitpid) him, then he will become a zombie process. When you use the PS command to observe the execution

Fork () can be imagined as a symbol of power, and power can sometimes be imagined as a symbol of destruction. Therefore, be careful when your system is disorganized due to fork (). This is not to say never to Touch fork (), you just need to be

Java defunct causes and solutions: In many cases, if we exit the Java Process after starting the Java Process, we can still see this process in the system process.This situation usually occurs in Unix/Linux systems, but rarely on win platforms. On

Troubleshoot the causes and solutions of Java defunct: In many cases, after we start the Java process, if we exit this Java process, we can still see the process in the system process. This situation generally appears in the Unix/linux system, for

Linux Zombie processes (Zombie or defunct) about Linux botnets, generally because some resources are not released when the child process ends, it is not allowed until the parent process ends or the parent process processes it! The www.2cto.com

PHP//use Pcntl_fork () to generate child processes when the program needs to fork, and then perform the tasks simultaneously in multiple threads $pid=pcntl_fork (); if($pdi) Exit(' Fork error! '); if($pid) { //if the PID is greater

 # Include # include # include # include int main (void) { pid_t PID; If (pid = fork () { fprintf (stderr, "fork error! /N "); exit (-1); } else if (pid = 0) /* First child */ { If (pid = fork () { fprintf (stderr, "fork error! /N ");

1) Check current zombie process information# Ps-ef | grep defunct | Grep-v grep | Wc-l175# Top | Head-2top-15:05:54 up $ days, 23:49, 4 users, load average:0.66, 0.45, 0.39tasks:829 Total, 1 running, 479 sleeping, 174 stopped, 175 zombie# Ps-ef |