what exit

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

Die (' 1 ') Die () and exit () are all abort script execution functions; the two names of Exit and die refer to the same function, and die () is the alias of the exit () function. The function accepts only one parameter, either a value returned by a

The exit and exit status codes exit are used to end a script, just like in C. it also returns a value, which is passed to the parent process of the script. The parent process uses this value for further processing. each command returns an exit

Exit and exit Status Codes Exit is used to end a script, just like in C. it also returns a value, which is passed to the parent process of the script. The parent process uses this value for further processing. Each command returns an exit status

Differences between exit () and _ exit ()   Linux source code # DEFINE _ nr_exit 1 # DEFINE _ nR _ exit _ nr_exit/* from the File Include/asm-i386/unistd. H */"_ NR _" is the prefix for each system call in the Linux source code. Note that there are

Just like what is the difference between the following code {code...} and {code? Humbly ask the experts for advice, just like The following code Echo 'configuration error'; exit (3); // Status 3 indicates exit due to configuration error And // Exit

1. Graceful exit of the process 1.1.kill-9 PID problemsIt is easy and efficient to force a process to be killed by Kill-9 PID on Linux, so many program stop scripts often choose how to use the kill-9 PID.Whether the Kill-9 PID of Linux or the

Original link: http://codingstandards.iteye.com/blog/836625 (reproduced please specify the source)Description of UseThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat:

Linux Shell Bash with special meaning exit code purpose descriptionThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat: Exit nExit. Set the exit code to N. (cause the

The. NET class library has helped us close the window. If the window is the main window of the system, close the window and exit the entire application.Program.But in fact, sometimes this is not the case. Close the window, but stop the message loop

What are the differences between exit (0), exit (1), and exit (-1? When the process ends, the return value to the system is different. If your process is user, run echo $? You can see that the return value of your process is the value you set in the

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) ,

Exit () and _ exit () and return, exit_exitreturnThe difference between exit () and return: According to ansi c, return and exit () are used in the originally called main () with the same effect. However, note that "initial call" is used here ". If

I have been engaged in Android development for some time. I believe that many Android programmers developed from Windows will habitually encounter the same problem as me: how to exit the program completely? My own experience is not authoritative and

1. IntruductionExitmakeShell(script) to exit with a specified status value, Execute without parametersExitwhen, Shellor the script exits with the status value of the last execution command. Shellbefore exiting, Trapcan huntEXITsignal. 0indicates

Linux provides a special variable $ to save the exit status code of the last executed command. For commands that need to be checked, you must view or use the $? variable immediately after it has been run. Its value becomes the exit status code of

System. exit, policystem. exit in Java Exit the program in java and often use System. exit (1) or System. exit (0 ).   View the source code of the System. exit () method, as shown below:   1 /** 2 * Terminates the currently running Java

Examples and differences of using exit, return, sys. exit () in Python This article mainly introduces the use cases and differences of exit, return, sys. exit () and so on in Python. This article is a summary of a practical project. For more

This article mainly introduces exit, return, and sys in Python. such as exit (). This article is a summary of the actual project. For more information, see the following question: String identifier. modify the idcheck of Example 6-1. py script to