{}-Initialization

The initialization of variables was uniformed in C++11. The rule is quite simple. {}-Initialization is always applicable. 

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auto-matically inititialized

Probably the most frequently used feature of C++11 is auto. Thanks to auto the compiler determines the type of a variable from its initializer. But what is the point with safety critical software? 

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Facts

After the myths the facts will follow. Therefore, we leave the area of half truth and untruth statements about C++.

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Myths

As I started working in the embedded environment I was astonished that there were so much prejudice against the usage of C++ in the embedded programming. The most are based on a wrong understanding of the programming language C++.

 

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Requirements of Embedded Programming

Bjarne Stroustrups FAQ makes it crystal clear. One of the design goals for C++11 was it to make C++ even better for the embedded world.

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Sleep and wait

The new time library is an important component of the threading interface. As well threads, locks, condition variables as future have an understanding of time. All four have in common that they can sleep, wait or block until a time point or for a time duration.

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Tags: time
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The Three Clocks

A clock consists of a starting point and a time tick. C++ offers with std::chrono::system_clock, std::chrono::steady_clock, and std::chrono::high_resolution_clock three clocks.

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Tags: time
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Time Duration

A time duration is the difference between two time points. It will be measured in time ticks.

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Tags: time
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Time Point

The time point is defined by the starting point (epoch) and the additional time duration. It consists of the two components clock and time duration.

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Tags: time
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The time Library

A blog, dealing with multithreading in modern C++ but not writing about the new time library is not complete. Especially, because I often used the time library in my posts to measure the performance of short code snippets. Therefore, I give in this post an overview of the components of the time library: time point, time duration, and clock. I will write in additional posts about each of this three components.

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Tags: time
Comments 1Views: 5542

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