AcquireEngine
status_t AcquireEngine(uint32 capabilities, uint32 max_wait, sync_token* st,
return (void*)AcquireEngine;
status_t AcquireEngine(uint32 capabilities, uint32 max_wait, sync_token* st,
return (void*)AcquireEngine;
status_t AcquireEngine(uint32 capabilities, uint32 max_wait, sync_token* st,
return (void*)AcquireEngine;
status_t AcquireEngine(uint32 capabilities, uint32 max_wait, sync_token* st, engine_token** et);
case B_ACQUIRE_ENGINE: return (void*)AcquireEngine;