c wait function

If the child process ends before the parent process, the parent process calls the wait () function and does not call the wait () function to produce two different results: -- if the parent process does not call wait () and waitpid () function, the

Reclaim kernel space resources wait function waitid function, waitwaitidAbstract:This article describes how to reclaim the kernel space resources and how to use wait and waitid functions and their differences. Reclaim kernel space resources wait and

C-language Wait () function: End (break) process function (Common)header file: #include #include To define a function: pid_t Wait (int * status); Function Description: Wait () will temporarily stop the execution of the

If a child process is preceded by a parent process, the wait () function is invoked by the parent process and the wait () function is not invoked to produce two different results:--> If the parent process does not invoke the wait () and the Waitpid (

I. botnets When a child process exits, the kernel sends a sigchld signal to the parent process. The exit of the child process is an asynchronous event (the child process can be terminated at any time when the parent process is running)When a child

Process 1 is the main first process init of all processes How to view the process: PS uax # Include # Include # Include # Include Int main (){Pid_t PID;Int A = 8;Printf ("current process ID: % d \ n", getpid ());PID = fork ();If (pid> 0) // What

Wait signal and trigger signal-signaling with wait and Puls Before discussing the event wait handle-a simple signaling mechanism, one thread keeps blocking until it receives a notification from another thread.A more powerful signaling

#include /*provides a definition of type pid_t*/#includepid_t Wait (int*status) Once the process has called wait, it blocks itself immediately, and the wait automatically parses if a child process of the current process has exited, and if it finds

From: http://www.cnblogs.com/freshman0216/archive/2008/07/29/1252253.htmlThis article starts with the class relationship diagram of monitor, mutex, manualresetevent, autoresetevent, and waithandler. We hope to have a general understanding of common

Author: LxmuyuLinks: Wait, waitpidWait1.1 IntroductionThe wait function requires a header file:#include #include Wait function prototype:pid_t Wait (int *status);Once the process has called wait, it immediately blocks itself, and the wait