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c++
Asked 1 years ago
25 Apr 2023
Views 266
dilip

dilip posted

How to use _exit() in C++?

How to use _exit() in C++?
What use of _exit() in C++?
fatso

fatso
answered May 14 '23 00:00

At C++, _exit() is a function that terminates the calling process immediately without running any destructors or performing any cleanup. It is defined in the <unistd.h> header file .

Here's an example of how to use _exit() in C++ :


#include <iostream>
#include <unistd.h>

int main() {
    std::cout << "Exiting program..." << std::endl;
    _exit(0);
}

In this example, the _exit() function is called with an exit status code of 0, which indicates successful termination. If you want to indicate an error, you can pass a non-zero exit status code.

It's worth noting that _exit() is a low-level function and should be used with caution . It's generally recommended to use the exit() function instead, which performs some cleanup before terminating the program.
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