{"uid":"cap_jtXaDGPPNu-glOmKpg_28","slug":"linux-inotify-unread-event-coalescing-fixture-97951a05","name":"Linux inotify Unread-Event Coalescing Fixture","description":"An offline inotify trace fixture author needs exact unread-queue coalescing and whole-record read admission, including too-small buffers, name padding, partial batches and the boundary after consuming a prior event.","url":"https://detect.halowerk.com/v1/F-A-NIGHT-OS-INOTIFY/linux-inotify-unread-event-coalescing?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"artifact":{"type":"object","required":["inotify_queue"],"properties":{"inotify_queue":{"type":"object","required":["claim","events","names"],"properties":{"claim":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"names":{"type":"array","items":{"type":"object","required":["byte_length","id"],"properties":{"id":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"byte_length":{"type":"number","maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"maxItems":512},"events":{"type":"array","items":{"type":"object","required":["op"],"properties":{"op":{"type":"string","maxLength":1024},"mask":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"name":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"watch":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"cookie":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"buffer_bytes":{"type":"number","maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"maxItems":512}},"additionalProperties":false}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aOakrosMJAyk5fA-TdJiW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Simulates and validates Linux inotify queue read behavior including event coalescing, buffer boundary conditions, name padding, and partial batch admission for offline testing fixtures.","exampleAgentPrompt":"Run an inotify unread-queue coalescing test against an event queue with a claim of 4096, two events — one IN_CREATE op with mask 256, watch 1, cookie 0, buffer_bytes 64, and one IN_DELETE op with mask 512, watch 2 — and two names with ids 1 and 2 having byte lengths 32 and 48 respectively.","exampleUseCases":[{"title":"Too-small buffer boundary test","prompt":"I need to test what happens when my inotify read buffer is too small — set up a queue with claim 128, one IN_MODIFY event with mask 2, watch 3, cookie 0, buffer_bytes 16, and a single name entry with id 1 and byte_length 64, then simulate the read admission."},{"title":"Partial batch coalescing validation","prompt":"Simulate an inotify queue coalescing scenario with claim 512 and three events — IN_ACCESS with mask 1 and watch 1, IN_CLOSE_WRITE with mask 8 and watch 2, and IN_MOVED_FROM with mask 64 and watch 3 — using two name entries with ids 10 and 11 at byte lengths 32 and 32, and check how partial batches are coalesced."},{"title":"Post-prior-event boundary check","prompt":"Can you test the inotify queue boundary condition that occurs right after consuming a prior event? Use claim 256, one IN_CREATE op with mask 256, watch 5, cookie 42, buffer_bytes 128, and a name with id 7 and byte_length 48."}],"resultDescription":"Returns the computed inotify queue state after applying coalescing and read admission rules, including which events were coalesced, boundary conditions encountered (too-small buffer, name padding, partial batch edges), and the resulting unread queue configuration.","failureModes":["Invalid event op string exceeding maxLength causes validation error","Claim or buffer_bytes values outside [-1e12, 1e12] range rejected","Too many events or names (over 512 items) causes schema rejection","Missing required fields (inotify_queue, claim, events, names) returns 400","Malformed artifact object structure returns schema validation error"],"whenToPreferThis":"Use this endpoint when building or testing offline fixtures for Linux inotify kernel interface behavior — specifically when you need deterministic simulation of event coalescing, buffer boundary admission, name padding, and partial batch edge cases without a live kernel. Prefer this over live inotify testing when you need reproducible, parameterized fixture results in CI/CD pipelines or unit test suites.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T06:40:55.908Z","isFirstParty":false,"canonicalSlug":"linux-inotify-unread-event-coalescing-fixture-97951a05"}