Hi Windows experts,
Here's another Windows warning that I'll like a hand resolving:
2>..\common\Atomic.cpp(133) : warning C4239: nonstandard extension
used : 'static_cast' : conversion from 'volatile const long' to
'volatile const unsigned int &'
The code is:
Atomic::operator unsigned() const
{
#if defined(_OPENTHREADS_ATOMIC_USE_GCC_BUILTINS)
__sync_synchronize();
return _value;
#elif defined(_OPENTHREADS_ATOMIC_USE_WIN32_INTERLOCKED)
MemoryBarrier();
return static_cast<unsigned const volatile &>(_value);
<<<< Here is line 133, problem line.
#elif defined(_OPENTHREADS_ATOMIC_USE_BSD_ATOMIC)
OSMemoryBarrier();
return static_cast<unsigned const volatile>(_value);
#else
# error This implementation should happen inline in the include file
#endif
}
To me a fix would be to remove the & from the static_cast<unsigned
const volatile &> as it seems a tad superfluous in this method as it's
returning an unsigned int on the stack anyway.
Thoughts?
Robert.
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