[speex-dev] Thread Safety

Segher Boessenkool segher at kernel.crashing.org
Thu Oct 30 09:57:30 PST 2003

Jean-Marc Valin wrote:
> > Are they actually read-only or are they initialized once?  In the latter
> > case, you need to protect the initialization section...
> No, they're written to every time you enter the lsp_quant_* routines
> below. The only reason why this isn't catastrophic is that even wrong
> values (two threads writing at the same time) will only produce slightly
> sub-optimal results. The fix I proposed was to make the variable local
> in each function, since the value is never used after the function
> returns.

I'm not talking about your bug, but about the data you said was read-only.
Sorry if I wasn't clear enough.

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