PK_FUNCTION_run_t

typedef int PK_FUNCTION_run_t;

Used in:

PK_THREAD_ask_function_run
PK_THREAD_set_function_run

This datatype indicates whether PK functions will run concurrently or
exclusively.

It has the following values:
    PK_FUNCTION_run_concurrent_c    Will always run concurrently.
    PK_FUNCTION_run_exclusive_c     Will always run exclusively.
    PK_FUNCTION_run_dynamic_c       Can run as either type of exclusivity,
                                    depending on other conditions.
    PK_FUNCTION_run_mutable_conc_c  Will run concurrently but can be changed.
    PK_FUNCTION_run_mutable_exc_c   Will run exclusively but can be changed.