Function acquireProcessLifetimeLock

src/utils/nativeInstaller/pidLock.ts:299–324

(
  versionPath: string,
  lockFilePath: string,
)

 * This is used for locking the currently running version
 */
export async function acquireProcessLifetimeLock(
  versionPath: string,
  lockFilePath: string,
): Promise<boolean> {
  const release = await tryAcquireLock(versionPath, lockFilePath)

  if (!release) {
    return false
  }

  // Register cleanup on process exit
  const cleanup = () => {
    try {
      release()
    } catch {
      // Ignore errors during process exit
    }
  }

  process.on('exit', cleanup)
  process.on('SIGINT', cleanup)
  process.on('SIGTERM', cleanup)

  // Don't call release() - we want to hold the lock until process exits
  return true
}

/**
 * Execute a callback while holding a lock