How to check the core execution for each thread?

[Charly Bechara <c_bechara@xxxxxxxxxxx>]

Hi,
 
I have a multithreaded C program executing on an MPCore system. I want to know if there is any function from glibc or a kernel system call which can return me the current core where the thread is executing on? 
 
I appreciate your help
 
Charly
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