header file for exit function in c

Reclaim process user space resource exit () function _ exit () function atexit () function on_exit () function, _ exitatexitAbstract:This article describes how to terminate a process and how to use the exit () function to terminate the process and

Abstract:This article describes how to terminate a process and how to use the exit () function to terminate the process and reclaim the user space resources of the process. It analyzes the exit () function and the _ exit () function, difference in

Note: Exit () is exited, the parameters passed in is the program exit status code, 0 for normal exit, the other means the abnormal exit, generally used-1 or 1, standard C has exit_success and exit_failure two macros, with exit (exit_success) ,

The exit and _ exit functions are used to terminate a program normally: _ Exit immediately enters the kernel, and exit is used to execute some cleanup operations (including calling and executing various termination processes, close all standard I/O

C++The relationship between the middle header file and the implementation file about the relationship between the two before, from N years ago~Long Longago,once aupon a time .... It was a forgotten age, in which the compiler knew only. C (. cpp))

1 C file operations   FileBasic concepts of FilesThe so-called "file" refers to an ordered set of related data. This dataset has a name called a file name. In fact, we have used files many times in the

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

First, contact1. Functionally, the _exit and exit functions are to let the process exit gracefully, that is, to close the file descriptor opened by the process, freeing up occupied memory and other resources.Second, the difference1. The _exit

The difference between the Exit,_exit-The difference between exit () and _exit () function (Linux system) 2012-03-20 15:19:53Category: LINUX Note: exit () is exit, The passed-in parameter is the status code when the program exits, 0 -1 1 c

One header in PHP () jumps to another page to add exit () If the header () jumps away and does not add exit (), the following write statement is executed (although the jump 1. Recommended 10 articles about the PHP exit () function Introduction: