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Differential D46001

stdatomic: Only use clang atomics if __clang__ is defined
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Authored by jhb on Jul 17 2024, 7:14 PM.
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Reviewers
imp
emaste
rlibby
Commits
rG3cbb192a9ee8: stdatomic: Only use clang atomics if __clang__ is defined
rGef03c67b46b6: stdatomic: Only use clang atomics if __clang__ is defined
rG680f40f38343: stdatomic: Only use clang atomics if __clang__ is defined
Summary

GCC 14 defines has_extension(c_atomic) but does not support
c11_atomic_*, so require clang for the CLANG_ATOMICS case.

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rG FreeBSD src repository
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Event Timeline

jhb requested review of this revision.Jul 17 2024, 7:14 PM
jhb created this revision.
Harbormaster completed remote builds in B58683: Diff 141051.Jul 17 2024, 7:14 PM
jhb added a parent revision: D45995: openssl: Add <sys/random.h> include for getrandom().Jul 17 2024, 7:15 PM
jhb added a child revision: D46003: Merge commit cb7a03b41fff from llvm git (by Nikolas Klauser):.
imp accepted this revision.Jul 17 2024, 7:55 PM

We likely don't need sync atomics given the scopeof where it would be needed... but im not sure.

This revision is now accepted and ready to land.Jul 17 2024, 7:55 PM
jhb added a comment.Jul 17 2024, 7:58 PM

I think as part of your cleanup of cdefs.h, we can probably drop the pre-GCC 4.7 path entirely. We already don't support versions of GCC that old in cdefs.h now I think?

emaste accepted this revision.Jul 17 2024, 8:46 PM
Closed by commit rG680f40f38343: stdatomic: Only use clang atomics if __clang__ is defined (authored by jhb). · Explain WhyJul 19 2024, 5:07 PM
This revision was automatically updated to reflect the committed changes.
jhb added a commit: rG680f40f38343: stdatomic: Only use clang atomics if __clang__ is defined.
jhb added a commit: rGef03c67b46b6: stdatomic: Only use clang atomics if __clang__ is defined.Nov 30 2024, 4:52 PM
jhb added a commit: rG3cbb192a9ee8: stdatomic: Only use clang atomics if __clang__ is defined.

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sys/
sys/
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Diff 141145

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sys/sys/stdatomic.h

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