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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

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:

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

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

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

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) ,

[Good programmer notes sharing] -- exit the keyboard with pure code and exit the keyboard with programmer notes IOS training ------ my C Language notes. I look forward to communicating with you!  There are many methods to exit the keyboard in iOS

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

Recently encountered a process abruptly exiting the issue, because there is no registration signalhandler so no signal is captured.However, from the log to see the status of Init Waitpid returned to 0x008b, before the status is not very