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This article mainly shows you "how C++ solves single-case lazy and multithreaded problems". The content is simple and clear. I hope it can help you solve your doubts. Now let the editor lead you to study and learn this article "how C++ solves single-case lazy and multithreaded problems".

Single-case lazy and multithreaded problems

As a singleton mode, only one memory space is created during the entire program run, in order to achieve this goal.

1. You need to set the constructor as a private member

2. You need a private static pointer to point to yourself

3. You need a public static function to expose the static pointer above.

The following code is an example of a slacker.

Click (here) to collapse or open

# include

Using namespace std

Class single_ins

{

Private:

Int a

Int b

Single_ins ()

{

A = 0

B = 0

}

Static single_ins* myc

Public:

Void setval (const int& a minute Const int& b)

{

This- > a = a

This- > b = b

}

Void print ()

{

Cout

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