So - even with "full" Linux, the __thread variables have different
addresses per thread ?
Yes.
I did a test on the PC and (as expected) you are right. The same
__thread variable has different addresses when different threads are
running.
Do you know how this is implemented in the x86 architecture ? I suppose
The CPU does not have enough registers to dedicate one for that purpose,
unless something exotic like the Extra Segment is used.
-Michael
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