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Re: CVS commit: src
On Sep 11, 2012, at 11:19 PM, Emmanuel Dreyfus wrote:
> Matt Thomas <matt%3am-software.com@localhost> wrote:
>> Only those ports which reserve a register in mcontext for the TCB
>> pointer should define _UC_TLSBASE. Otherwise _UC_TLSBASE has no
>> meaning and thus should not be defined.
> Well, we have the choice between:
> - define it and keeep it unused
> - not define it add add #ifdef in libpthread and tests
> I chose the second alternative, an unused #ifdef for a simplier code
In this case, I would prefer an #ifdef
_UC_TLSBASE is an MD thing. Defining it unconditionally bloats things.
For instance, if _UC_TLSBASE isn't defined, pthread_setcontext doesn't
need to do anything except call setcontext. That's a win.
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