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times should always return 0 for tms_cutime #510

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merged 1 commit into from
Jul 3, 2024

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kateinoigakukun
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tms_cutime is the sum of the user times of child processes excluding the current process. Since WASI doesn't provide a way to spawn a new process, this value should always be 0.

Interestingly PSPSDK had exactly the same issue and @fjtrujy found wasi-libc has the issue too 😅 https://github.com/pspdev/pspsdk/pull/193/files/eef342187319ead21cfe9a6598fd79a21188c1fa#diff-8318a7fe507925448c5a85d6bfdeb9f720a24b6d38d583eea8542758898cc4e7

`tms_cutime` is the sum of the user times of child processes *excluding
the current process*. Since WASI doesn't provide a way to spawn a new
process, this value should always be 0.

Co-authored-by: Francisco Javier Trujillo Mata <fjtrujy@gmail.com>
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lgtm

@sbc100 sbc100 merged commit 67080fa into WebAssembly:main Jul 3, 2024
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@kateinoigakukun kateinoigakukun deleted the yt/tms_cutime branch July 3, 2024 05:49
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3 participants