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C++ signals & slots - with number of slots

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C++ signals and slots

vdk-signals is a type-safe and thread-safe signals-slots system for standard C++ designed with performance and simplicity in mind. It follows the main philosophy of the C++ language avoiding unnecessary overheads and superfluous functionality that can slow down your program.

High performance is achieved through the use of modern C++ features and atomic variables. Specialized synchronization mechanism used internally makes signal emissions lock-free and ensures the fastest possible execution. The library supports synchronous and asynchronous slot invocations with automatic detection of target threads, as well as automatic object lifetime tracking.

vdk-signals has no external dependencies and relies on standard C++17 only. It is organized as the amalgamation and can be easily integrated into any existing project.

Usage:

Note! vdk-signals requires a compiler that supports C++17 standard.

The library is not meant to be built and linked as a standalone package. Instead, it is organized as "the amalgamation" and contains everything you need in just two files. This allows you to easily integrate vdk-signals into any target project. Just copy signals.h and signals.cpp into your project and compile them together with your other source files.

Please note, that in order to provide maximum flexibility and independence from target project's structure, signals.cpp includes signals.h as a standard header (#include<signals.h>), so make sure that signals.h resides in a folder that is searched for header files by the compiler.

GoogleTest is required to build and run tests. CMake files are provided to simplify the process. If you already have a copy of GoogleTest framework, just run CMake and set GTEST_SOURCE_DIR cache variable to point to the directory that contains your GoogleTest sources. If you don't have GoogleTest sources, CMake will download and compile them automatically.

demo directory contains code examples that can serve as a tutorial for learning how to use vdk::signals.

License:

This software is licensed under the Apache License version 2.0.

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