c exit function

The main differences between the Exit function and the return function are: Exit is used to end the program at any time while the program is running, and its parameters are returned to the OS. You can also say this: The Exit function exits the application and returns a state of the application to the OS, which identifies some of the application's operational info

Address: http://blog.sina.com.cn/s/blog_4850a7880100hncm.html Reference: http://lzjyjh.blog.sohu.com/137646727.html ----------------------------------------------- In Unix OS, the system calls exit to terminate a process. Calls that can be displayed by the ProcessExit System Call to terminate 1Processes, you can alsoReturn at the end of the program.(StartupRoutine calls exit when a C program returns from t

concurrency benefits of multiprocessor Most systems now employ both user-level threads and core-level threading methods. A user-level thread can correspond to one or more core-level threads, that is, a single or one-to-many model.1.3. Thread-created Linux implementationsLinux threads are implemented through a user-level library of functions, generally using pthread-line libraries to achieve thread access and control. It uses the 3rd party POSIX standard Pthread, which has good portability. When

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 function that, if in the main function, exits the function and returns

I just typed an example and wrote "Next" in the fornext loop structure as "exit". Later I thought about it and it actually had a similar meaning, so I found the use of exit so that I won't confuse it again next time. Exit the do... loop, for... Next, function, sub, or property code block. Syntax Exit do

The Dameon process is also called the Daemon, in general he has the following 2 characteristics :1. The life cycle is very long, once started, generally will not terminate, until the system is launched, but the Dameon process can be stopped or send a signal to kill it 2. In the background, not with any control terminal, terminal signal such as: SIGINT,SIGQUIT,SIGTSTP, And shutting down the terminal will not affect Deamon How to write the daemon process, you need to follow the following rules: (

Although the MAC OS x system is very stable, but sometimes it will be affected by bad programs, it will inevitably encounter the program stuck, Hot Wheels, such as Flash sometimes back like this. This time we need to force out of this program, here are six ways to force the exit program in the MAC system: Use keyboard shortcuts to force exiting MAC programs in Active state Shortcut keys: Command+option+shift+esc Holding down for two seconds can for

"Summary" This article from the Code form, common way, related concepts, call relations and comparative analysis, the 5 dimensions of the exit and return in C + + the same point and difference. "Common form" Exit (0): Run the program normally and exit the program;Exit (1): Abnormal operation r

Analysis of C ++ exit and return and exitreturn【Abstract] This article analyzes the similarities and differences between exit and return in C ++ from the code form, common methods, related concepts, call relationships, and comparison. [Common form] Exit (0): The program runs normally and exits; Exit (1):

Summary of WinForm program exit methods in C # [conversion],This article mainly introduces the WinForm exit method in C #. The example summarizes various common skills used to exit the WinForm program window, which is very useful. For more information, see This example summarizes the WinForm exit method in C. Share it

Recently found that many students when they come to consult my questions will talk about a bounce rate, how to reduce the bounce rate and so on, and they simply do not understand what is out of the rate, a lot of people will be out of the rate mistaken for the bounce rate, today, Mr Fung to tell us the difference between the rate of jump and exit rate, hoping to help everyone. 　　To put it simply, understanding the bounce rate and

Processes are like human beings, and we create a process through the fork () function, so how do we abort the process?Process exit1. In Linux any let a process exitProcess exit indicates that the process is about to end. In Linux, process exits are divided into normal exits and exception exits in two ways.1> Normal exitA. Execute return in the main () function.B. Call the exit () functionC. Call the _exit (

The reason for this topic is that the day before yesterday, a community to do the version and I complained, because in the community need to switch the vest often, often quit and login again, but in the existing page exit and login again, returned to the site is the homepage, so very distressed, Ask me why I cannot return to the page before exiting after I log in again. In view of this, I decided to study the exit