quick_exit() function in C++ with Examples

The quick_exit() function is defined in the stdlib header file. The quick_exit() function is used for normal termination of a process without completely cleaning the resources.

  • If val is zero or EXIT_SUCCESS, it shows successful termination of program.
  • If value is non-zero or EXIT_FAILURE, it shows that program is not successfully terminated. These function are called in the reverse order of there calling.

Syntax:

void quick_exit(int val);

Parameter: This method takes a single paramter val which is an integral value that represent the exit status of a program.

Return Value: This function doesn’t returns anything.

Below program illustrate the quick_exit() function in C++:

Example:-

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// c++ program to demonstrate
// example of quick_exit() function.
  
#include <bits/stdc++.h>
using namespace std;
  
void function1()
{
    cout << "Exit Function 1" << endl;
}
void function2()
{
    cout << "Exit Function 2" << endl;
}
  
int main()
{
    // registering function 
    at_quick_exit(function1);
    at_quick_exit(function2);
  
    quick_exit(0);
    return 0;
}

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Output:

Exit Function 2
Exit Function 1


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