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Mutex stands for Mutual Exclusion. What is mutual exclusion? To answer this question, we need to understand what is Race Condition? A race condition is a situation where two or more threads or process trying to modify the data at the same time. Race condition occurs …

In this chapter we shall learn about lock guard. 1. lock_guard is a class in C++ 2. lock_guard provides RAII style mechanism for acquiring mutex for a scoped block. 3. lock_guard acquires mutex the moment you create an object of lock_guard. 4. When the control leaves …

In the previous chapter we saw an introduction to threads and how thread is usedul to increase the execution time. In this chapter we shall see in how many ways we can create a thread. There are 5 different ways to create a thread: 1. Function …

Multi-threading programming is supported from C++11. Prior to C++11, single thread programming was supported.   Introduction: A thread is a smallest unit of program execution. These threads can run in parallel and can increase efficiency and decrease execution time of a program. A thread reside inside …

“reinterpret_cast” has been introduced in C++ 11. This cast should be carefully used. * reinterpret_cast is used to convert one pointer to another pointer of any other type. * It will not check if the pointer and the data pointed by the pointer are same or …

“dynamic_cast” is new concept in C++ 11. dynamic_cast is used at runtime to check the correctness of down casting. As it checks the correctness at runtime, it is slower than “static_cast”. “dynamic_cast” is used in handling polymorphism. “dynamic_cast” will return the object if the cast is …

“typealias” is a new feature introduced in C++ 11. It is the replacement of typedef. “using” is the keyword used in typealias. typealias is used to give an alternate name for already exsisting data type. We shall see how to define using typealias and also using …