| globus_cond_t | Condition variable |
| globus_condattr_t | Condition variable attribute |
| globus_mutex_t | Mutex |
| globus_mutexattr_t | Mutex attribute |
| globus_rmutex_t | Recursive Mutex |
| globus_thread_key_t | Thread-specific data key |
| globus_thread_once_t | Thread once structure |
| globus_thread_t | Thread ID |
| globus_threadattr_t | Thread attributes |
| globus_url_t | Parsed URLs |