Lets say I have a simple function which don't interacts with the VCL, e.g. adding two numbers.
If I call this function the same time from two threads, would that cause an error.
Would it make a differens if the function creates an local object and frees it after use. Then two objects should be created I guess.
alx512 is right, but only if you need something like global variables. THEN threadvar is one solution, and THEN dynamic reference-counted variables are not thread safe in the meaning, that threadvar don't
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