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Per-thread exceptions #7251

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wants to merge 2 commits into from
Closed

Per-thread exceptions #7251

wants to merge 2 commits into from

Commits on May 11, 2021

  1. py/mpstate: Make exceptions thread-local. 

    This moves mp_pending_exception from mp_state_vm_t to mp_state_thread_t.
This allows exceptions to be scheduled on a specific thread.

Signed-off-by: David Lechner <david@pybricks.com>
    @dlech
    dlech committed May 11, 2021
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  2. py/mpstate: Schedule KeyboardInterrupt on main thread. 

    This introduces a new macro to get the main thread and uses it to ensure
that asynchronous exceptions such as KeyboardInterrupt (CTRL+C) are only
scheduled on the main thread. This is more deterministic than being
scheduled on a random thread and is more in line with CPython that only
allow signal handlers to run on the main thread.

Issue: micropython#7026
Signed-off-by: David Lechner <david@pybricks.com>
    @dlech
    dlech committed May 11, 2021
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