feat(omo-codex): batch 102 (19 files)

2026-05-30 19:12:20 +09:00
parent 10e8671b5e
commit 20b0784811
19 changed files with 1596 additions and 0 deletions
@@ -0,0 +1,47 @@
+import { mkdirSync, rmSync } from "node:fs";
+import { dirname } from "node:path";
+
+export const SESSION_STATE_LOCK_CONTENDED = Symbol("session-state-lock-contended");
+
+export type SessionStateLockResult<T> = T | typeof SESSION_STATE_LOCK_CONTENDED;
+
+const LOCK_RETRY_COUNT = 20;
+const LOCK_RETRY_DELAY_MS = 5;
+const LOCK_SLEEP_VIEW = new Int32Array(new SharedArrayBuffer(4));
+
+export function withSessionStateLock<T>(cachePath: string, callback: () => T): SessionStateLockResult<T> {
+	const lockPath = `${cachePath}.lock`;
+	mkdirSync(dirname(cachePath), { recursive: true });
+	for (let attempt = 0; attempt < LOCK_RETRY_COUNT; attempt += 1) {
+		try {
+			mkdirSync(lockPath);
+			try {
+				return callback();
+			} finally {
+				rmSync(lockPath, { recursive: true, force: true });
+			}
+		} catch (error) {
+			if (errorCode(error) === "EEXIST") {
+				sleepSync(LOCK_RETRY_DELAY_MS);
+				continue;
+			}
+			throw error;
+		}
+	}
+	return SESSION_STATE_LOCK_CONTENDED;
+}
+
+function errorCode(error: unknown): unknown {
+	if (!isRecord(error)) {
+		return undefined;
+	}
+	return Reflect.get(error, "code");
+}
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+	return typeof value === "object" && value !== null && !Array.isArray(value);
+}
+
+function sleepSync(milliseconds: number): void {
+	Atomics.wait(LOCK_SLEEP_VIEW, 0, 0, milliseconds);
+}