Archive for category: Multithreading

twoAtomics

Sequential Consistency

June 19, 2016

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The atomics are the base of the C++ memory model. Per default, sequential consistency is applied. The…

spinLockSleep

The Atomic Flag

June 17, 2016

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Atomics guarantee two characteristics. On the one hand, they are atomic, on the other, they provide synchronization…

ConditionVariableVersusTask

Thread Synchronization with Condition Variables or Tasks

June 11, 2016

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In case you use promise and future to synchronize threads, they have much in common with condition variables.…

Overview

C++ Memory Model

June 6, 2016

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Since C++11, C++ has a memory model. It is the foundation for multithreading. Without it, multithreading…

async

The Special Futures

June 6, 2016

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The parent of a thread has to take care of their child. The parent can wait until his child is done or…

promiseFuture

Promise and Future

June 5, 2016

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With std::promise and std::future, you have full control over the task. Full control over the task A…

packagedTask

Asynchronous Callable Wrappers

June 3, 2016

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std::packaged_task enables you to write a simple wrapper for a callable, which you can invoke later. std::packaged_task To…

async

Asynchronous Function Calls

May 26, 2016

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std:.async feels like an asynchronous function call. Under the hood std::async is a task. One, which…

tasksEng

Tasks

May 21, 2016

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Tasks were one of the latest additions to the C++11 standard. They give you a better abstraction than…

conditionVariable

Condition Variables

May 17, 2016

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Condition variables allow us to synchronize threads via notifications. So, you can implement workflows…

Latest news

Time Zones: Online ClassesMay 13, 2024 - 9:39 am
Today, I will continue to present the functionality of the time zones of the C++20 chrono extension. This post is the eight in my detailed journey through the chrono extension in C++20: Various Time Zones for Online Classes The program onlineClass.cpp answers the following question: How late is it in given time zones when I […]
Time Zones: DetailsMay 6, 2024 - 9:22 am
Today, I present the time-zones functionality of the C++20 extension.
C++20: Query Calendar Dates and Ordinal DatesApril 22, 2024 - 9:53 am
The extended chrono library makes it relatively easy to ask for the time duration between calendar dates. This post is the sixth in my detailed journey through the chrono extension in C++20: Query Calendar Dates Without further ado, the following program queryCalendarDates.cpp queries a few calendar dates. // queryCalendarDates.cpp #include <chrono> #include <iostream> int main() […]
C++20: Displaying and Checking Calendar DatesApril 15, 2024 - 9:20 am
I created calendar dates in my last post, “C++20: Creating Calendar Dates,” and I will display and check them today. This post is the fifth in my detailed journey through the chrono extension in C++20: Displaying Calendar Dates Thanks to std::chrono::local_days or std::chrono::sys_days, you can convert calendar dates to a local or a system std::chrono::time_point. […]
C++20: Creating Calendar DatesApril 8, 2024 - 10:51 am
In this post, I will dive deeper into calendar dates and create them. If this post is too overwhelming for you, read my previous ones: C++20 supports constants and literals to make using calendar-date types more convenient. Constants and Literals for Calendar Types Let me start with the constants for std::chrono::weekday, and std::chrono::month. std::chrono::Monday std::chrono::Thuesday […]
C++20: Time of DayMarch 25, 2024 - 10:08 am
This new data type std::chrono::hh_mm_ss in C++20 stands for the time of day. Time of Day std::chrono::hh_mm_ss is the duration since midnight split into hours, minutes, seconds, and fractional seconds. This type is typically used as a formatting tool. First, the following table gives you a concise overview of std::chrono::hh_mm_ss instance tOfDay. Depending on the […]