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feat(v4.0.0): a line from the console breaks a wait

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Text for a node from its console, arriving while the node waits for an
answer (AWAIT), is kept as any message is; the wait ends in error 21,
Interrupted; and the text is then done as usual.  Console text for
another node, passing through a node that is waiting, does not end its
wait.

On the hosted program 5 AWAIT ended the program with "the node stopped".
The boot now reports that the line is waiting, the host reads the next
line and hands it over, which breaks the wait, and then has the kept line
done.  The bare-metal host does the same; it is booted in the commit that
follows.

test_host_mesh.c: 76 checks, both widths and the sanitizers.  hosted-check
types 5 AWAIT and two more lines: Interrupted, then 3 and 56.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-07 20:16:58 -04:00
co-authored by Claude Opus 5.5
parent 9efe8aad3a
commit cbe1cd5e44
8 changed files with 52 additions and 3 deletions
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v4/tools/hosted.c
+15
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@@ -75,6 +75,21 @@ int main(void)
len = strlen(line);
if (len && line[len - 1] == '\n') len--;
how = v4_boot_line(&boot, line, (unsigned)len);
/* The line is waiting for an answer no one here can send. The next
* line typed breaks the wait: the line that was waiting ends in an
* error, and then the line just typed is done (boot.h). */
while (how == V4_BOOT_LINE_WAITING) {
fflush(stdout);
if (!fgets(line, sizeof line, stdin)) { putchar('\n'); return 0; }
len = strlen(line);
if (len && line[len - 1] == '\n') len--;
how = v4_boot_line(&boot, line, (unsigned)len);
if (how == V4_BOOT_LINE_TOO_LONG) { fputs("Line too long\n ERROR\n", stdout); how = V4_BOOT_LINE_WAITING; continue; }
if (how == V4_TEXT_ERROR) fputs(" ERROR\nok> ", stdout);
else if (how == V4_TEXT_COMPLETED) fputs(" ok\nok> ", stdout);
else break;
how = v4_boot_line(&boot, 0, 0);
}
if (how == V4_TEXT_COMPLETED) fputs(" ok\n", stdout);
if (leaving) { fflush(stdout); return 0; }
else if (how == V4_TEXT_ERROR) fputs(" ERROR\n", stdout);