Search Results for "mutex"
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Showing 19 open source projects for "mutex"
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1
Ristretto
A high performance memory-bound Go cache
...We looked around for a solution, but we couldn’t find a great one. We then tried using a sharded map, with shard eviction to release memory, which caused us memory issues. We then repurposed Groupcache’s LRU, using mutex locks for thread safety. After having it around for a year, we noticed that the cache suffered from severe contention. A commit to remove that cache caused our query latency to dramatically improve by 5-10x. In essence, our cache was slowing us down! We concluded that the concurrent cache story in Go is broken and must be fixed. ... -
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cocoyaxi
A go-style coroutine library in C++11 and more
cocoyaxi (co for short), is an elegant and efficient cross-platform C++ base library. It contains a series of high-quality base components, such as a go-style coroutine, coroutine-based network programming framework, command line, and config file parser, high-performance log library, unit testing framework, JSON library, etc. co has implemented a go-style coroutine, which has the following features. Multi-thread scheduling, the default number of threads is the number of system CPU cores.... -
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dive-to-gosync-workshop
In-depth Go concurrent programming seminar
dive-to-gosync-workshop is a Chinese-language workshop repository about advanced Go concurrency programming. It focuses on the practical traps that appear when using Go’s concurrency primitives in real projects. The material discusses how even experienced teams working on large systems such as Docker, Kubernetes, gRPC, and etcd can run into subtle synchronization problems. It covers the implementation details, limitations, misuse patterns, and extension ideas behind standard synchronization... -
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ringBufU
Ring-Buffer library in C, includes support of multithreading
A Ring-Buffer instance could be used with element types - char - long - long long - void* . Focus is on a hardened SW structure with buffer-instance-pointer check (not very fast but more secure). Some features are globally choosable on compile-time (e.g. switch multithread support off completely to have faster access). Note: User Interface is for Test and Tutor Code only. -
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5
Lnkdlst
Single sided linked list (kind of lib with test-code, C, C++ and java)
... - OAList01: Object-Kind of a predefined pre-reserved List with X Elements (with constant user-data size), with secur modify functions and option to use locks (POSIX: mutex). Supporting a BusyList and a IdleList for easy build of e.g. a FIFO without need of much time for mem-allocation. - Release-Notes see uws-Lnkdlst-readme.txt in the tar.gz file(s) and in „Files“. -
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sysbench
Scriptable database and system performance benchmark
sysbench is a scriptable multi-threaded benchmark tool based on LuaJIT. It is most frequently used for database benchmarks, but can also be used to create arbitrarily complex workloads that do not involve a database server. extensive statistics about rate and latency is available, including latency percentiles and histograms. Low overhead even with thousands of concurrent threads. sysbench is capable of generating and tracking hundreds of millions of events per second. New benchmarks can be... -
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Pharos
RTOS for Secure, Safe and Real-Time Systems
Pharos is a free open-source RTOS for secure, safe and real-time systems with the following characteristics: - Memory and enhanced time partitioning (TSP) - Native support for sporadic, periodic and aperiodic threads - Fixed-priority preemptive scheduler - Execution time protection (threads are prevented from executing for more time than they are configured to) - Small size (full image has ~100 to 300KiB text, ~30KiB data) - Hard real-time determinism - Fast critical sections -... -
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ECS:Python
Light-weight C++ library for embedding Python into C++
...Python can be downloaded from: www.python.org/download What's new in v3.0: * Fixed x64 pointer types. * Added CI and unit tests. * Cleaned up project structure and code formatting. * Switch to C++11 std::mutex. -
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debug_mutex
c/c++ debug-mutex library
A cross-platform implementation of a mutex, that automatically checks for everything, you might be doing wrong: - DeadLocks - Invalid mutex leave order - Thread Shutdown, while still holding mutex locks - Destroying a locked mutex - (Un)Locking a destroyed mutex - UnLocking an unlocked mutex - UnLocking an mutex locked by another thread - Locking a non-recursive, locked mutex - Not destroying all mutexes before application termination Every abnormal produces a console output with file and line information about were it is located and why it happened. ... -
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10
libstdos
The base libraries of OSs
The project is base libraries of OSs(windows, linux, etc.), include pipe, thread, mesg, mutex and so on, it support the libraries of most OSs for application, so developers can create apps and don't care about the details of operation systems -
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The Micro C++ Library (libmicxx) is a small set of portable and easy to use classes providing core features commonly used in modern applications. It is based completely on the Standard C++ Template Library (STL).
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12
CLIPSwl
CLIPS with lock support. CLIPS for safely handling simultaneous access
...CLIPS(ver. 6.24) is unsafe when access simultaneously occurs at the same environment, because the environment data of CLIPS are not protected for simultaneous access. We modified the CLIPS (ver. 6.24) to support lock/unlock functions in a flexible way. CLIPSwl doesn't use complicated logic such as platform-independent mutex, but newly defines 4 abstract functions (i.e. using function pointers) for allocating, acquiring, releasing and deallocating locks of the environment data. Users may define their own functions that fit for their system by using their platform-dependent mutex. CLIPSwl also support the safe string-related functions treating the rules, and refining the warning parts of the code when compiling with gnu g++ compiler. -
13
UIRepo++
User Interface Repository for C++
...Items are keyed by either int or string, which would normally be the identifiers of the related window controls (but of course any type of data could be stored). UIRepo should give faster data access than searching arrays or lists. It includes optional mutex locks for use in a multi-threaded environment. Example multi-threaded implementations for wxWidgets and .NET are included in the download. -
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CooCox CoOS is a free and open-source embedded real-time multi-task OS specially for ARM Cortex M series.
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FunkOS is an RTOS for 8-32 bit MCUs including AVR, MSP430, and Cortex M3. Both C and C++ kernels avaiable. Key features include preemption, periodic events, device drivers, and mutex/semaphores. Includes a variety of graphics and filesystem middleware. Please also check out FunkOS's big brother, Mark3OS. Mark3OS is slightly larger, but is more scalable, much more feature-rich, and supports a wider variety of devices.
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16
The program monitors file size and time stamp modifications and exits when the file stops changing. Purpose of the program is to work as a poor mans mutex e.g. keep on blocking next commands in scripts.
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A mutex lock manager implemented in bash and for use from within bash scripts. Includes a version with active wait and one without active wait.
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A portable C++ library of multi-threaded STL algorithms (transform, accumulate...) using standard containers and iostreams. Thread, mutex, spinlock are templatized. Close to Intel Threading Building Blocks, HPC++ or PSTL. Idea of A.Stepanov and M.Austen.
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19
...This is a (small and simple) socket class built around BSD-type sockets. It is not meant to be used in a web-server, but provide a really straightfoward way to access socket-based communication. No threading, no mutex, nothing comple
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