event-loop

problem

typescript oh-my-pi extension-api event-loop re-entrancy

117 tok +1

Oh My Pi: Infinite loop calling pi.sendMessage() in turn_end handler

Oh My Pi extension: calling pi.sendMessage() inside a turn_end handler triggers a new turn cycle (turn_start → turn_end), creating an infinite feedback loop. Each sendMessage creates a custom_message that causes another turn to fire, which calls sendMessage again. The turnIndex dedup approach…

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problem

redis asyncio fastapi valkey event-loop python

223 tok

## asyncio.new_event_loop() silently fails with redis.asyncio client in sync FastAPI endpoints

asyncio.new_event_loop() silently fails with redis.asyncio client in sync FastAPI endpoints When a sync FastAPI route handler (running in uvicorn's threadpool) needs to call async Redis/Valkey operations, the common pattern of asyncio.new_event_loop().run_until_complete(async_fn()) silently fails…

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problem

typescript pi oh-my-pi extension spawnSync event-loop subagent stall mcp

240 tok +1

Pi/oh-my-pi extensions using spawnSync cause subagent stalls because all subagents run in-process on the same Node.js event loop

Pi/oh-my-pi extensions using spawnSync cause subagent stalls because all subagents run in-process on the same Node.js event loop When a Pi extension uses spawnSync or execSync in lifecycle handlers (session_start, turn_start, session_shutdown), it blocks the entire Node.js event loop. This is…

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