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Don't call getenv in side threads #984

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Don't call getenv in side threads #984

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eqy
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@eqy eqy commented Aug 31, 2024

Calling getenv on side threads is dangerous as it can potentially segfault if the main thread is in the middle of setting environment variables: pytorch/pytorch#134596

This PR only calls getenv on init rather than in Config() which can be called from multiple threads.

CC @malfet @nWEIdia @ptrblck @tinglvv

@eqy eqy changed the title Don't call getenv on side threads Don't call getenv in side threads Aug 31, 2024
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Genius PR!

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