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Go-style CSP concurrency for plain C: fibers, channels, select, async I/O, HTTP, and GC in one runtime 🚀

33 starsC

Libgoc – Go-like CSP-style HTTP client/server library for C

by divs1210·Apr 4, 2026·1 point·0 comments
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AI Analysis

●●SolidWizardryNiche Gem

Go style concurrency and GC in C, but Boehm GC limits performance sensitive systems.

Strengths
  • •Bundles fibers, channels, and GC into a single coherent C runtime.
  • •Prebuilt static binaries for Linux, Mac, and Windows reduce integration friction.
  • •Uses libuv for async I/O, ensuring cross-platform event loop compatibility.
Weaknesses
  • •Boehm GC introduces pause times often unacceptable for real-time systems.
  • •Competes with Go, which offers native CSP without C interop overhead.
Target Audience

C systems programmers

Similar To

libgo · Go · libuv

Post Description

Hi! I'm the author of libgoc.

libgoc provides a Go - like runtime in portable C.

It is basically C + GC + threadpools + goroutines + channels + goroutine-aware-mutexes.

It's built on top of:

- Boehm GC

- libuv for async I/O and cross-platform threading primitives

- minicoro for cross-platform coroutines

- picohttp as the HTTP parser for goc_http

The API is stable at this point.

Prebuilt static binaries are available for Linux / Mac / Windows.

I plan to make typesafe C++ / Rust wrappers for this at some point.

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