Re: [boost] [lock-free] CDS -yet another lock-free library

30 Mar 2010


      On Tue, 30 Mar 2010, Khiszinsky, Maxim wrote:
...
Another example of MSVC optimization error for x86 - see my class 
cds::lock::RecursiveSpinT:
void acquireLock()
{
  // TATAS algorithm
  while ( !tryAcquireLock() ) {
  while ( m_spin.template load<membar_relaxed>() ) {
     backoff()	;
        // VC++ 2008 bug: the compiler generates infinite loop for int64 m_spin.
this is not a bug; the compiler is simply allowed to assume that the value 
of a variable does not change intermittently

Regards
Helge

Re: [boost] [lock-free] CDS -yet another lock-free library

Helge Bahmann