Conditionally compile check_lock() robust mutex support
Conditionally compile check_lock() robust mutex support

golems/ach,golems/ach,golems/ach,chen0510566/ach,chen0510566/ach,chen0510566/ach,golems/ach,chen0510566/ach,golems/ach,golems/ach,chen0510566/ach,chen0510566/ach