sys/systm.h: use __nodiscard consistently and correctly
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Authored by brooks on Jun 26 2026, 12:16 PM.

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ivy
imp
markj
emaste

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rGb207b1562a2f: sys/systm.h: use __nodiscard consistently and correctly

Summary

nodiscard is closer to (and sometimes expands to) nodiscard from
C23 and C++17 so prefer it to the homegrown result_use_check and put
it in the right place so it is correct when expanded to nodiscard.

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rG FreeBSD src repository

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Lint Passed

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No Test Coverage

Build Status

Buildable 74293
Build 71176: arc lint + arc unit

Event Timeline

brooks requested review of this revision.Jun 26 2026, 12:16 PM

brooks created this revision.

Harbormaster completed remote builds in B74293: Diff 180703.Jun 26 2026, 12:16 PM

brooks added a parent revision: D57881: cdefs(9): encourage __nodiscard over __result_use_check.Jun 26 2026, 12:16 PM

brooks added a child revision: D57664: CHERI: declare fueptr and suptr.Jun 26 2026, 12:18 PM

brooks added a child revision: D57663: CHERI: declare copy{in,out}ptr{,_nofault}.Jun 26 2026, 12:58 PM

Thanks.

This revision is now accepted and ready to land.Jun 26 2026, 1:46 PM

emaste accepted this revision.Jun 26 2026, 2:40 PM

Closed by commit rGb207b1562a2f: sys/systm.h: use __nodiscard consistently and correctly (authored by brooks). · Explain WhyJun 26 2026, 4:48 PM

This revision was automatically updated to reflect the committed changes.

brooks added a commit: rGb207b1562a2f: sys/systm.h: use __nodiscard consistently and correctly.

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sys/

systm.h

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Diff 180703

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sys/systm.h: use __nodiscard consistently and correctlyClosedPublicActions