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fix(v4): a killed node's children become Hera's; Review Focus 4 checked

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From the final review of MESH step 7.  NODE-KILL left children whose parent
was the dead number, so a node born later under it inherited authority over
them; they are re-parented to Hera.  After UNIT-KILL Hera no longer lists the
removed centre, and a later KILL completes (shown to fail with GONE-DOWN's
unlisting taken out).  test_manage 45/45 both widths; test_host_unit 127/127.

Acceptance: amd64, aarch64, riscv64 clean qemu: ok>, POST 538/538,
dict_hash=0x248b4edc47f4357e on all three; test-32 0 failures.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-16 20:03:45 -04:00
co-authored by Claude Opus 5.5
parent 9382df69e5
commit 7ad02bf72f
10 changed files with 497 additions and 3 deletions
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v4/src/manage.c
+5 -1
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@@ -109,9 +109,13 @@ int v4_manage_serve(const v4_manage *m, unsigned place, v4_cell request)
if (request == V4_REQ_NODE_SLEEP) v4_fabric_sleep(m->f, e->place);
else if (request == V4_REQ_NODE_WAKE) v4_fabric_wake(m->f, e->place);
else {
unsigned gone_place = e->place;
unsigned gone_place = e->place, k;
v4_cell gone_number = e->number;
v4_fabric_node *was = v4_fabric_remove(m->f, gone_place);
e->number = 0;
/* its children are not removed (as v3) and become Hera's: a number that is not live is no one's
* parent, so a node born later under it inherits nothing (the final review of step 7) */
for (k = 0; k < m->reg_cap; k++) if (m->reg[k].number != 0 && m->reg[k].parent == gone_number) m->reg[k].parent = me->number;
if (was && m->gone) m->gone(m->self, gone_place, was);
}
return 1;