On my single cpu processor, only one thread runs at a time, so there is no race condition. On a multi-cpu machine, reading the docs on, and using threads::shared::lock() will be required.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^3: using parallel processing to concatenate a string, where order of concatenation doesn't matter by BrowserUk
in thread using parallel processing to concatenate a string, where order of concatenation doesn't matter by tphyahoo

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