Add broker shared control ring primitives#1072
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: ac86dd2d-0280-4d7b-87a8-5654ad1503a6
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🤖 SemverChecks 🤖 No breaking API changes detected Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered. |
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Adds hostile-peer-safe shared control ring primitives: one exact memfd mapping with independent 64-slot SPSC request and response rings. Producers release-publish non-wrapping sequences; consumers copy and validate owned snapshots; producers validate shared reclamation heads.
Adds process-shared futex wait/wake over wrapping hint epochs.
EmptyandFullreturn race-free wait epochs, publication commits state before advancing its epoch, and role-bound endpoints avoid exposing raw mapping access.Production requests and responses remain socket-framed; control ring integration is deferred to the next PR.