kill child process parent dies

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 |

People who have done Android development should know that the application will be killed by the system in the absence of system resources! How do I restore a background app after it's been reclaimed by the system? There is a lot of discussion on

 # 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 ");

Description in Unix, all processes except process 0 (that is, the pid=0 exchange process, swapper process) are created by other processes using the system call fork, where the process called fork creates a new process is the parent process, and the

Transferred from: http://www.cnblogs.com/itech/p/3208261.htmlFrom: http://blog.csdn.net/tianlesoftware/article/details/6457487Linux is a multi-user, multi-tasking system that can run multiple user programs at the same time, which inevitably results

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

Linux is a multi-user, multi-tasking system that can run multiple user programs at the same time, which inevitably results in many processes, each of which has a different state. In the following section, the processR, S, D, T, Z, X six states do a

first, the process1. Overview of the processA program is an executable file, and a process is a dynamic process of executing a program. A process is an entity that provides the execution environment for a running program, including an address space

Orphan process: One parent process exits, and one or more of its child processes are still running, then those child processes will become orphans. The orphan process will be adopted by the INIT process (process number 1) and the Init process

Process management ******First, the basic concept1. Processes and ProceduresA process is a running program, a running program may contain multiple processes, and the process is responsible for performing specific tasks in the operating systemA