browser-debugger-cli/dist/session/pid.d.ts

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/**
 * Session PID file management.
 *
 * Handles reading/writing the main session PID file for tracking active sessions.
 * WHY: Centralized PID operations prevent inconsistencies in session tracking.
 */
/**
 * Read and parse a PID from a file.
 *
 * @param filePath - Path to the PID file
 * @returns Parsed PID or null if file doesn't exist or contains invalid data
 *
 * @example
 * ```typescript
 * const daemonPid = readPidFromFile('/path/to/daemon.pid');
 * if (daemonPid && isProcessAlive(daemonPid)) {
 *   console.log('Daemon is running');
 * }
 * ```
 */
export declare function readPidFromFile(filePath: string): number | null;
/**
 * Write the current process PID to the session file atomically.
 *
 * Uses atomic write (tmp file + rename) to prevent corruption if process crashes.
 *
 * @param pid - Process ID to write
 *
 * @example
 * ```typescript
 * writePid(process.pid);
 * ```
 */
export declare function writePid(pid: number): void;
/**
 * Read the PID from the session file.
 *
 * @returns The PID if file exists and is valid, null otherwise
 *
 * @example
 * ```typescript
 * const sessionPid = readPid();
 * if (sessionPid && isProcessAlive(sessionPid)) {
 *   console.log('Session is running');
 * }
 * ```
 */
export declare function readPid(): number | null;
/**
 * Remove the PID file.
 *
 * Safe to call multiple times (idempotent).
 */
export declare function cleanupPidFile(): void;
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