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std::sys configurability #113410

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mkroening opened this issue Jul 6, 2023 · 1 comment
Open

std::sys configurability #113410

mkroening opened this issue Jul 6, 2023 · 1 comment
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A-technical-debt Area: Internal cleanup work O-linux Operating system: Linux T-libs Relevant to the library team, which will review and decide on the PR/issue.

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@mkroening
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In #113358, I tried to add a check for poll returning ENOSYS to the runtime initialization path of Linux.

The use-case was adding a target for the Unikraft Unikernel Development Kit, which does not support poll, in its most basic configuration and instead stubs it, returning ENOSYS.

@workingjubilee proposed in #113358 (comment) that we might want to make sys easier to configure according to different target's capabilities (even from target-spec.json).

@rustbot label: +A-technical-debt
@rustbot rustbot added the A-technical-debt Area: Internal cleanup work label Jul 6, 2023
@mkroening
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I just opened #113411, where I added a Unikraft-specific cfg.

@jyn514 jyn514 added O-linux Operating system: Linux T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jul 17, 2023
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