exit function in c language

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

The use of the Exit function in C languageExit () End the current process/current program/, in the entire program, as long as the exit is called, the endReturn () is the current function return, of course, if it is in the main function main, it will

Linux C language exit function explanation The C standard defines the following exit functions: # Include void exit (INT status); void _ exit (INT status); int atexit (void (* function) (void); function introduction: void exit (INT status) The

C language _exit () function: End Process Executionheader file: #include To define a function: void _exit (int status); Function Description: _exit () is used to immediately end the execution of the current process,

Exit () End the current process/current program/, in the entire program, as long as the exit is called, the endReturn () is the current function return, of course, if it is in the main function main, it will naturally end the current process, if not,

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

Exit () ends the current process/current program/. In the whole program, it ends when exit is called. Return () is the return of the current function. Of course, if it is in the main function, the current process is naturally ended. If it is not, it

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

The difference between Exit function exits () and return function returns () in program code Exit (0): run The program normally and exit the program; Exit (1): Abnormal operation results in exiting the program; Return (): Returns a