[Interest] QMap and thread-safe.

[Thiago Macieira]

On sexta-feira, 26 de julho de 2013 12:09:43, Mandeep Sandhu wrote:
> Well, thats why I asked the previous question, i.e if foo is of machine
> word size or less, _then_ will the compiler generate the atomic fetch and
> add instruction or will that have to be done explicitly by the programmer?

And I had answered that in the email you replied to, asking the question:

"Doing both at the same time is not atomic anywhere unless you use specialised 
fetch-and-add instructions, which the compiler never generates for you."

"the compiler never generates for you"

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
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