fetch_and_add() available on PPC Linux?

I am porting a threads library to PPC Linux... Since some applications depend on it, I can't easily switch to pthreads.

The library uses fetch_and_add(), which is available on AIX. I tried to compile it on PPC Linux, but failed to link.

I compiled the code on AIX with -S. Then I examined the assembly listing, and found that fetch_and_add() is a lib/OS call.

I would like to know if PPC Linux has something similar to fetch_and_add() on AIX, if not, are there any workarounds??

Thanks,
Rayson



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