std::quick_exit

Since C++11

Header: <cstdlib>

Causes normal program termination to occur without completely cleaning the resources.

# Declarations

[[noreturn]] void quick_exit( int exit_code ) noexcept;

(since C++11)

# Parameters

# Return value

(none)

# Example

#include <cstdlib>
#include <iostream>
 
template<int N>
void quick_exit_handler()
{
    std::cout << "quick_exit handler #" << N << std::endl; // flush is intended
}
 
void at_exit_handler()
{
    std::cout << "at_exit handler\n";
}
 
int main()
{
    if (std::at_quick_exit(quick_exit_handler<1>) ||
        std::at_quick_exit(quick_exit_handler<2>))
    {
        std::cerr << "Registration failed\n";
        return EXIT_FAILURE;
    }
 
    std::atexit(at_exit_handler); // the handler will not be called
 
    struct R { ~R() { std::cout << "destructor\n"; } } resource;
 
    /*...*/
 
    std::quick_exit(EXIT_SUCCESS);
 
    std::cout << "This statement is unreachable...\n";
}

# See also