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fastapi
tiangolo
tiangolo commented Jun 12, 2020

First check

  • I added a very descriptive title to this issue.
  • I used the GitHub search to find a similar issue and didn't find it.
  • I searched the FastAPI documentation, with the integrated search.
  • I already searched in Google "How to X in FastAPI" and didn't find any information.
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webknjaz
webknjaz commented Nov 30, 2019

Long story short

I've been using low-level machinery exposed by aiohttp for my framework.
When I learned about handle_signals=True I started testing it and it turned out that my process always exited with return code 1 on SIGTERM and SIGINT.

This was confusing and I thought that it's a bug. But then, after diving into the code deeper, I realized that with this option enabled, aioht

njsmith
njsmith commented May 18, 2020

What should happen if deliver_cancel raises an exception? In the current implementation, the shielded cancel scope will prevent it from propagating until the process exits, which might take a while if the crash occurred before signaling the process in any way. Maybe on exception from a user-specified deliver_cancel we should call the default deliver_cancel to kill the process? Or just kill() since

transmittable-thread-local

📌 The missing Java™ std lib(simple & 0-dependency) for framework/middleware, provide an enhanced InheritableThreadLocal that transmits ThreadLocal values between threads even using thread pooling components.

  • Updated Oct 19, 2020
  • Kotlin

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