CloseableFDHandle

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Interface Synopsis

namespace HH\Lib\IO;

interface CloseableFDHandle implements FDHandle, CloseableHandle {...}

Public Methods (HH\Lib\IO\FDHandle)

• ->getFileDescriptor(): \HH\Lib\OS\FileDescriptor

Public Methods (HH\Lib\IO\CloseableHandle)

• ->close(): void
  Close the handle
• ->closeWhenDisposed(): \IDisposable
  Close the handle when the returned disposable is disposed