can __exchange_and_add be used from outside?

[Juan Carlos Franzoy]

Hello. I write because I was wondering if __exchange_and_add can be used from user code or it's an internal detail of libstdc++.

I have to implement a library with AtomicSet and AtomicAdd. The library must be portable across solaris/sparc, linux/x86 and hpux11/parisc.

If the answer is no, do anybody know how to do it?

Thanks.
 
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                      Juan Carlos Franzoy
Proyect Leader
mailto:jfranzoy@yahoo.com.ar
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