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About the Matrixes

The matrixes provide technical information about the Support APIs for RTX. Matrixes are provided for:

Key

The following key explains the "Notes" column in the tables.

Code for Notes	Meaning
1	The priority spectrum of Rt is 0 to 127, whereas the Win32 range is {-15, -2, -1, 0, 1, 2, 15} on Windows.
2	The RTX IPC namespace is separate from the Win32 namespace.
3	The call is supported as both an Rt call and as a Win32 call (for example, RtAtoi and Atoi).
4	Not for use in RTSS DLL.
5	C/C++ Runtime calls not supported in shared RTDLL.
Deterministic	No — The call is not deterministic. Yes —The elapsed time for the call is less than 5 microseconds. Deterministic functions in RTSS work at Windows stop screens. Yes* — The call is deterministic for small input sizes Unknown — It is not possible to know if the call is deterministic because it is not always possible to know anything about the object that the call references.

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