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Differential D42707

getpagesizes(3): drop support for kernels before 9.0
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Authored by brooks on Nov 22 2023, 1:08 AM.
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imp
emaste
kevans
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rGdf65c89375e2: getpagesizes(3): drop support for kernels before 9.0
Summary

AT_PAGESIZES and elf_aux_info where added prior to FreeBSD 9.0 in commit
ee235befcb8253fab9beea27b916f1bc46b33147. It's safe to say that a
FreeBSD 15 libc won't work on a 8.x kernel so drop sysctl fallback.

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rG FreeBSD src repository
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Event Timeline

brooks requested review of this revision.Nov 22 2023, 1:08 AM
brooks created this revision.
Harbormaster completed remote builds in B54555: Diff 130410.Nov 22 2023, 1:08 AM
brooks added a child revision: D42708: getpagesize(3): drop support for non-ELF kernels.Nov 22 2023, 1:08 AM
emaste accepted this revision.Nov 22 2023, 1:21 AM
emaste added inline comments.
lib/libc/gen/getpagesizes.c
59–61

LGTM, but maybe drop error altogether and just if (_elf_aux_info(AT_PAGESIZES, ps, sizeof(ps) != 0)?

This revision is now accepted and ready to land.Nov 22 2023, 1:21 AM
imp accepted this revision.Nov 22 2023, 1:46 AM
kevans accepted this revision.Nov 22 2023, 5:43 AM
brooks updated this revision to Diff 130444.Nov 22 2023, 8:31 PM
  • Remove error variable
  • On error, fall back to PAGE_SIZE
This revision now requires review to proceed.Nov 22 2023, 8:31 PM
Harbormaster completed remote builds in B54578: Diff 130444.Nov 22 2023, 8:31 PM
emaste accepted this revision.Nov 22 2023, 10:15 PM
This revision is now accepted and ready to land.Nov 22 2023, 10:15 PM
Closed by commit rGdf65c89375e2: getpagesizes(3): drop support for kernels before 9.0 (authored by brooks). · Explain WhyNov 28 2023, 5:16 PM
This revision was automatically updated to reflect the committed changes.
brooks added a commit: rGdf65c89375e2: getpagesizes(3): drop support for kernels before 9.0.

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PathSize
lib/
libc/
gen/
23 lines

Diff 130653

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lib/libc/gen/getpagesizes.c

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