Top 10 C Concurrency Projects

libmill

2 2,701 0.0 C

Go-style concurrency in C

Project mention: Show HN: A pure C89 implementation of Go channels, with blocking selects | news.ycombinator.com | 2023-12-13

libmill (https://github.com/sustrik/libmill) and libdill (https://github.com/sustrik/libdill) should be similar and probably mentioned.
As far as I understand the differences between CspChan and libmill might be that libmill also implements lightweight tasks (coroutines) and everything that goes with it (IO multiplexing, async timers, etc), while CspChan uses OS threads?

ck

7 2,293 6.9 C

Concurrency primitives, safe memory reclamation mechanisms and non-blocking (including lock-free) data structures designed to aid in the research, design and implementation of high performance concurrent systems developed in C99+.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
facil.io

8 2,000 0.0 C

Your high performance web application C framework

Project mention: Rage: Fast web framework compatible with Rails | news.ycombinator.com | 2023-12-04

Most of the speed I believe is from using the server iodine https://github.com/boazsegev/iodine which is a wrapper around facil.io https://facil.io that is built using C.

libdill

2 1,658 0.0 C

Structured concurrency in C

Project mention: Show HN: A pure C89 implementation of Go channels, with blocking selects | news.ycombinator.com | 2023-12-13

libmill (https://github.com/sustrik/libmill) and libdill (https://github.com/sustrik/libdill) should be similar and probably mentioned.
As far as I understand the differences between CspChan and libmill might be that libmill also implements lightweight tasks (coroutines) and everything that goes with it (IO multiplexing, async timers, etc), while CspChan uses OS threads?

libcsp

2 1,289 1.9 C

A concurrency C library 10x faster than Golang.
umka-lang

19 968 8.7 C

Umka: a statically typed embeddable scripting language

Project mention: VDrift: Cross-Platform Driving Simulation | news.ycombinator.com | 2023-12-28

Polyphony

22 651 8.3 C

Fine-grained concurrency for Ruby

Project mention: Should You Be Scared of Unix Signals? | news.ycombinator.com | 2023-10-16

When using green threads/fibers/coroutines, an interesting technique to make signal handling safer is to run the signal handler asynchronously on a separate fiber/green thread. That way most of the problems of dealing with signals go away, and there's basically no limitation on what you can do inside the signal handler.
I've successfully used this technique in Polyphony [1], a fiber-based Ruby gem for writing concurrent programs. When a signal occurs, Polyphony creates a special-purpose fiber that runs the signal handling code. The fiber is put at the head of the run queue, and is resumed once the currently executed fiber yields control.
[1] https://github.com/digital-fabric/polyphony

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
cone

7 502 0.0 C

Cone Programming Language
lispBM

3 74 9.6 C

An interpreter for a concurrent lisp-like language with message-passing and pattern-matching implemented in C.

Project mention: Joel Svensson - LispBM (LBM) | /r/haskell | 2023-12-08

Code: https://github.com/svenssonjoel/lispBM

moonagents

2 5 0.0 C

Reactive state machines in Lua

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).