releasePromise?: Promise<void>;

};

type SyncClosableFileHandle = fs.FileHandle & {

[key: symbol]: unknown;

};

export type SessionLockInspection = {

lockPath: string;

pid: number | null;

*/

function releaseAllLocksSync(): void {

for (const [sessionFile, held] of HELD_LOCKS) {

void held.handle.close().catch(() => undefined);

closeFileHandleSyncBestEffort(held.handle);

try {

fsSync.rmSync(held.lockPath, { force: true });

} catch {

}

}

function closeFileHandleSyncBestEffort(handle: fs.FileHandle): void {

const syncCloseSymbol = Object.getOwnPropertySymbols(Object.getPrototypeOf(handle)).find(

(symbol) => symbol.description === "kCloseSync",

);

if (syncCloseSymbol) {

const closeSync = (handle as SyncClosableFileHandle)[syncCloseSymbol];

if (typeof closeSync === "function") {

try {

closeSync.call(handle);

return;

} catch {

// Fall back to async close below.

}

}

}

void handle.close().catch(() => undefined);

}

async function runLockWatchdogCheck(nowMs = Date.now()): Promise<number> {

let released = 0;

for (const [sessionFile, held] of HELD_LOCKS.entries()) {