Is there a way to restrict function calls (at compile time)?

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Is there a way, using GCC, to add 'properties' or 'flags' to C and C++
functions and generate warnings or error messages when a function with a
certain property (for example 'realtime safe') tries to call a function
that does not have that property?

I realise that this would be tricky to do for function pointers and
virtual functions, but a solution that only works for 'normal' function
calls will be very useful anyway.

-- 
Lars Luthman
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