[c++-pthreads] Initialization of local static mutex

[Mark Mitchell]

Roland Schwarz wrote:
> Mark Mitchell wrote:
>> PTHREAD_MUTEX_INITIALIZER is supposed to be a constant-expression 
>> (like "-1" or "{ 1, 0 }"), so the initialization will happen before 
>> foo is called, typically at program start-up.
> 
> This was not my question, or concern. I am not asking what is typical,
> but if it is possible that a standard conforming compiler can suffer
> from such a race condition.

A standard-conforming compiler, used with a standard-conforming POSIX 
library, cannot suffer from a race condition in the code that you posted 
because PTHREAD_MUTEX_INITIALIZER must be a constant-expression.

-- 
Mark Mitchell
CodeSourcery
mark at codesourcery.com
(650) 331-3385 x713