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feat(v4.0.0): the wait replaces looking and the console release; step 6d written up

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The engine's console release (v4_fabric_interrupt_error), a device's
pending, and the count of words since a look are removed: nothing uses
them.  MESH.md 4.1, 7b and 7c say what was built, where it differs from
what was approved and why, and what is still a limit; step 6d is marked
built, with the defects found on the way.

make -C v4 test and sanitize at both widths, hosted-check, lint; three
bare-metal boots.  POST 538 of 538, word_count=317,
dict_hash=0x6a39c0bb9d183418 on all six.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-08 01:24:09 -04:00
co-authored by Claude Opus 5.5
parent ec817a8264
commit 2b587206ee
13 changed files with 638 additions and 181 deletions
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v4/src/fabric.c
-23
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@@ -18,7 +18,6 @@ void v4_fabric_init(v4_fabric *f, v4_place *places, unsigned capacity)
f->place = places;
f->capacity = capacity;
f->gone_error = 0;
f->interrupt_error = 0;
for (i = 0; i < capacity; i++) clear_place(&places[i]);
}
@@ -27,10 +26,6 @@ void v4_fabric_gone_error(v4_fabric *f, v4_cell code)
f->gone_error = code;
}
void v4_fabric_interrupt_error(v4_fabric *f, v4_cell code)
{
f->interrupt_error = code;
}
void v4_fabric_grow(v4_fabric *f, v4_place *places, unsigned capacity)
{
@@ -239,24 +234,6 @@ unsigned v4_fabric_step(v4_fabric *f)
}
}
/* a node blocked on the first word of a message to a node that is not
* reading, while a device of its own has something for it */
if (f->interrupt_error != 0)
for (i = 0; i < f->capacity; i++) {
v4_node *n;
unsigned k;
if (!awake(f, i)) continue;
n = &f->place[i].node->n;
if (!n->asking || f->place[i].wire[n->ask_port].kind != V4_WIRE_NODE || v4_node_words_since_look(n) != 0) continue;
for (k = 0; k < V4_PORTS; k++) {
const v4_wire *w = &f->place[i].wire[k];
if (w->kind == V4_WIRE_DEVICE && w->device->pending && w->device->pending(w->device->self)) {
done += (unsigned)v4_node_port_gone(n, f->interrupt_error);
break;
}
}
}
/* a node blocked at one port that nothing is wired to */
if (f->gone_error != 0)
for (i = 0; i < f->capacity; i++) {