enhance sched_getaffinity function to avoid early crash when counting available cores on systems with more than 1024 cores #3701
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Dynamically determine the size of the cpu_set_t struct doubling it on each try
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@Flamefire Can you mention the error/crash you run into without this fix in the PR description? |
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Added |
akesandgren
reviewed
May 26, 2021
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Apart from my comment above this code is sane and correct. |
akesandgren
reviewed
May 26, 2021
boegel
changed the title
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Going in, thanks @Flamefire! |
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Dynamically determine the size of the cpu_set_t struct doubling it on each try
This is basically what the os module in Python 3.3+ does, see e.g. https://github.com/akheron/cpython/blob/f91d2f2e2e992c3006a5023eb4ba3cf0d082fde8/Modules/posixmodule.c#L5706
Error shown even on
eb --helpis: