2.2.3.10.6 Thread Priority Values

The Thread Priority Values specify priorities for threads on which print servers schedule jobs or send data to printers, for use with Server Handle Key Values (section 2.2.3.10).

Name/value	Description
THREAD_PRIORITY_LOWEST 0xFFFFFFFE	The thread can be scheduled after threads with any other priority.
THREAD_PRIORITY_BELOW_NORMAL 0xFFFFFFFF	The thread can be scheduled after threads with normal priority and before those with lowest priority.
THREAD_PRIORITY_NORMAL 0x00000000	The thread can be scheduled after threads with above normal priority and before those with below normal priority. Threads have normal priority by default.
THREAD_PRIORITY_ABOVE_NORMAL 0x00000001	The thread can be scheduled after threads with highest priority and before those with normal priority.
THREAD_PRIORITY_HIGHEST 0x00000002	The thread can be scheduled before threads with any other priority.