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Are you migrating to Eio or adding it as an option? |
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Adding it as an option.
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c-cube
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provides a tiny_httpd server that relies on Eio for non-blocking sockets and for concurrency using eio fibers.
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- Add closed flag to ic_of_flow/oc_of_flow to prevent double-release of pool cstructs and double-shutdown - Enforce max_connections with Eio.Semaphore to limit concurrent connections - Fix port 0 detection using Eio.Net.listening_addr to return actual port - Use pool_size for cstruct pool max_size (was computed but unused) - Set TCP_NODELAY on accepted connections for low latency
- small_list -> list_small - bytes_of_size -> bytes_size - small_nat -> nat_small - prefix unused Frame_type constants with underscore
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- Acquire semaphore BEFORE spawning handler fiber: replace Eio.Net.accept_fork with manual accept + Semaphore.acquire + Fiber.fork so we bound the number of in-flight fibers rather than spawning unlimited fibers that all block on the semaphore. - Graceful stop: remove Eio.Switch.fail sw Exit from stop(), just set running to false so existing handlers can complete naturally instead of being cancelled immediately. - Replace Unix.gettimeofday with Eio.Time.now clock to use the Eio clock abstraction instead of direct Unix calls.
* eio-fixes: eio: add 60s shutdown backstop, protect Flow.close from raising eio: fix semaphore acquisition, graceful stop, and time source
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CHANGES: - eio backend, second try (c-cube/tiny_httpd#95) - hardening bugfixes - feat WS: abstraction for critical section - feat route: add `to_url`, to produce a URL path from a route - fix some warnings
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this simply adds a Eio backend to tiny_httpd, for cooperative concurrency.