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feat(ha-heartbeat-committed-propagation): migrate last_known_committed_config_tag to _Atomic (task 1.1)

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Mirror the sibling last_known_committed_lsn: all writes release, reads acquire.
Prereq for a heartbeat-receive writer + the ctrlstatus reader to interact
safely (Req 2.3). Pure access migration, no behavior change; controller suite
0 failures.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Rongsong Shen 2026-06-20 11:27:46 +00:00
parent 9817813f54
commit f4327ce4f6
6 changed files with 20 additions and 14 deletions
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2
src/controller/testsuite/test_demotion_convergence.c
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@ -724,7 +724,7 @@ static void test_ctrlhello_reply_intake_stores_and_reconciles(void)
atomic_load(&g_dc.ha.last_known_committed_lsn),
"CtrlHelloReply intake must store last_known_committed_lsn (existing)");
TEST_ASSERT_EQUAL_UINT64_MESSAGE(reported_tag,
g_dc.ha.last_known_committed_config_tag,
atomic_load(&g_dc.ha.last_known_committed_config_tag),
"CtrlHelloReply intake must store the config tag (existing)");
/* Assert (intake integration): the intake also TRIGGERED reconciliation —