{"uid":"cap_-_ZE93rMGQrvIJWrs34DC","slug":"posix-condition-wait-mutex-reacquire-trace-analyzer-b7fa7249","name":"POSIX Condition Wait Mutex Reacquire Trace Analyzer","description":"An offline concurrent-runtime fixture author needs exact condition-wait release, notification membership, dynamic mutex binding and reacquire-before-return/cleanup state from an explicitly scheduled anonymous trace.","url":"https://detect.halowerk.com/v1/F-A-NIGHT-OS-CONDITION/posix-condition-wait-mutex-reacquire-trace?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"artifact":{"type":"object","required":["condition_wait"],"properties":{"condition_wait":{"type":"object","required":["claim","conditions","events","mutexes","threads"],"properties":{"claim":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"events":{"type":"array","items":{"type":"array","items":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"maxItems":512},"maxItems":512},"mutexes":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"threads":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"conditions":{"type":"number","maximum":1000000000000,"minimum":-1000000000000}},"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_0_mz54lU77A3aWtWCCB70","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":"Analyzes and traces POSIX condition variable wait operations, returning exact condition-wait release, notification membership, dynamic mutex binding, and reacquire-before-return/cleanup state from an explicitly scheduled anonymous concurrent runtime fixture.","exampleAgentPrompt":"Trace the POSIX condition wait and mutex reacquire behavior for a concurrent fixture with 4 threads, 2 mutexes, 3 conditions, claim value 42, and the following event arrays: [[1,2],[3,4],[5,6]] — I need to know the exact release state, notification membership, mutex binding, and reacquire-before-return state.","exampleUseCases":[{"title":"Debugging deadlock in multithreaded server","prompt":"I have a multithreaded server with 8 threads, 2 mutexes, and 4 condition variables using POSIX pthread_cond_wait — claim is 500. Run a condition-wait mutex reacquire trace with event arrays [[1,0],[0,1],[1,1],[2,0]] so I can figure out exactly which thread is failing to reacquire the mutex and causing the deadlock."},{"title":"Validating concurrent OS fixture synchronization","prompt":"I'm writing an offline concurrent-runtime fixture and need to validate my condition-wait behavior. The fixture has 3 threads, 1 mutex, 2 conditions, claim 100, and events [[10,20],[30,40]]. Can you trace the anonymous scheduled condition wait and tell me the exact release, notification membership, and cleanup state?"},{"title":"Verifying notification membership in condition signal","prompt":"I need to verify that notification membership is correct in my pthread_cond_signal scenario — 6 threads, 3 mutexes, 5 conditions, claim 999, with events [[1,2,3],[4,5,6],[7,8,9]]. Run the posix condition wait trace and report the full reacquire-before-return and dynamic mutex binding state."}],"resultDescription":"Returns the exact condition-wait release state, notification membership details, dynamic mutex binding information, and reacquire-before-return or cleanup state derived from the submitted concurrent runtime fixture trace with the specified thread, mutex, condition, and event configuration.","failureModes":["Invalid claim value outside allowed range (-1000000000000 to 1000000000000) returns validation error","Event arrays exceeding 512 items or containing out-of-range numbers return schema rejection","Missing required fields (claim, conditions, events, mutexes, threads) returns 400 bad request","Payment of 0.003 USDC not provided via x402 protocol results in 402 Payment Required","Malformed nested artifact/condition_wait structure returns parsing error"],"whenToPreferThis":"Use this endpoint when you need deterministic, offline-compatible tracing of POSIX pthread condition variable wait semantics including exact mutex reacquire sequencing, notification membership, and cleanup state — especially for concurrent runtime fixture authoring, OS-level synchronization debugging, or formal verification of condition-wait correctness where dynamic mutex binding must be explicitly confirmed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T06:38:06.085Z","isFirstParty":false,"canonicalSlug":"posix-condition-wait-mutex-reacquire-trace-analyzer-b7fa7249"}