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I wrote vibe, a small single-header C library for framed TCP and Unix-domain-socket messaging on Linux:https://github.com/xtellect/vibeIt uses one background epoll thread. Application code polls an inbox queue for CONNECTED, DATA, and DISCONNECTED events, and sends through per-connection outboxes.The pieces I wanted:- TCP or Unix stream sockets
- 4-byte length-prefixed messages
- non-blocking application-side polling
- single-copy fan-out via refcounted payload chunks
- explicit per-connection backpressure instead of unbounded queuesFor multicast, the payload is copied once into a refcounted chunk, then queued by reference to each recipient. A 1 KB message to 1,000 peers is one payload allocation/copy plus 1,000 queue nodes, not 1,000 payload copies.It is Linux-only for now: epoll, eventfd, accept4, and Linux abstract Unix sockets. No UDP, TLS, HTTP, or WebSocket layer.This is not meant to be a full networking framework. I’m posting mainly for your inputs/revies, especially around connection lifetimes, backpressure accounting, edge cases, and the queue design.Apache 2.0.
Show HN: Vibe, a single-header C networking library for Linux
A small, efficient, Linux-only C library for framed TCP and Unix-domain-socket messaging, emphasizing non-blocking I/O, single-copy fan-out, and explicit backpressure.
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A small, efficient, Linux-only C library for framed TCP and Unix-domain-socket messaging, emphasizing non-blocking I/O, single-copy fan-out, and explicit backpressure.
Vibe targets a specific, high-performance niche within systems programming: efficient inter-process and network communication on Linux. Its design principles—single-header, C-based, explicit backpressure, and single-copy fan-out—directly address critical performance and resource management concerns for developers building low-latency, high-throughput applications. By focusing on core primitives (TCP, Unix sockets) and avoiding higher-level protocols (UDP, TLS, HTTP), Vibe positions itself as a foundational component for specialized infrastructure. The Linux-only dependency on `epoll` and `eventfd` indicates a commitment to platform-specific optimization. This project highlights the enduring demand for lean, performant libraries that offer granular control over networking, particularly in domains like embedded systems, gaming, or high-frequency trading where every microsecond and byte counts.
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What is Vibe, a single-header C networking library for Linux?
Vibe, a single-header C networking library for Linux is analyzed by our AI as: A small, efficient, Linux-only C library for framed TCP and Unix-domain-socket messaging, emphasizing non-blocking I/O, single-copy fan-out, and explicit backpressure.. It focuses on Vibe targets a specific, high-performance niche within systems programming: efficient inter-process and network communication on Linux. Its design ...
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The initial public indexing or launch date for Vibe, a single-header C networking library for Linux within our tracked developer communities was recorded on May 1, 2026.
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Vibe, a single-header C networking library for Linux has achieved measurable traction, logging over 4 traction score and facilitating 0 recorded discussions or engagements.
Which technical categories define Vibe, a single-header C networking library for Linux?
Based on metadata extraction, Vibe, a single-header C networking library for Linux is categorized under topics such as: single-header C library, framed TCP, Unix-domain-socket messaging, Linux.
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How does the creator describe Vibe, a single-header C networking library for Linux?
The original author or development team describes the product as follows: "I wrote vibe, a small single-header C library for framed TCP and Unix-domain-socket messaging on Linux:https://github.com/xtellect/vibeIt uses one background epoll thread. Application code polls an..."
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