openclaw
Version:
Multi-channel AI gateway with extensible messaging integrations
41 lines • 2.65 kB
TypeScript
//#region src/plugin-sdk/file-lock.d.ts
/** Retry and stale-recovery policy for acquiring a filesystem lock. */
type FileLockOptions = {
/** Retry policy used while waiting for another process or re-entrant holder to release. */retries: {
retries: number;
factor: number;
minTimeout: number;
maxTimeout: number;
randomize?: boolean;
}; /** Milliseconds after which a dead-owner or expired sidecar lock may be reclaimed. */
stale: number;
};
/** Live file-lock handle returned after successful acquisition. */
type FileLockHandle = {
/** Absolute path to the `.lock` sidecar held for this file path. */lockPath: string; /** Releases one held reference; callers must await it before assuming peers can proceed. */
release: () => Promise<void>;
};
/** Stable error code used when lock acquisition retries are exhausted. */
declare const FILE_LOCK_TIMEOUT_ERROR_CODE = "file_lock_timeout";
/** Stable error code used when stale lock recovery cannot proceed safely. */
declare const FILE_LOCK_STALE_ERROR_CODE = "file_lock_stale";
/** Typed error thrown when a lock cannot be acquired before timeout. */
type FileLockTimeoutError = Error & {
/** Stable error discriminator for lock acquisition timeout handling. */code: typeof FILE_LOCK_TIMEOUT_ERROR_CODE; /** Lock sidecar path that could not be acquired before retries were exhausted. */
lockPath: string;
};
/** Typed error thrown when a stale lock sidecar cannot be reclaimed safely. */
type FileLockStaleError = Error & {
/** Stable error discriminator for stale-lock reclaim failures. */code: typeof FILE_LOCK_STALE_ERROR_CODE; /** Lock sidecar path that could not be safely reclaimed. */
lockPath: string;
};
/** Reset process-local file-lock state for tests that isolate lock managers. */
declare function resetFileLockStateForTest(): void;
/** Wait for process-local file-lock state to drain before test teardown. */
declare function drainFileLockStateForTest(): Promise<void>;
/** Acquire a re-entrant process-local file lock backed by a `.lock` sidecar file. */
declare function acquireFileLock(filePath: string, options: FileLockOptions): Promise<FileLockHandle>;
/** Run an async callback while holding a file lock, always releasing the lock afterward. */
declare function withFileLock<T>(filePath: string, options: FileLockOptions, fn: () => Promise<T>): Promise<T>;
//#endregion
export { FileLockStaleError as a, drainFileLockStateForTest as c, FileLockOptions as i, resetFileLockStateForTest as l, FILE_LOCK_TIMEOUT_ERROR_CODE as n, FileLockTimeoutError as o, FileLockHandle as r, acquireFileLock as s, FILE_LOCK_STALE_ERROR_CODE as t, withFileLock as u };