id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3750	atomic_cas32 not working for Sun Solaris 10	SAURABH PANDEY <saurabh.pandey@…>	Ion Gaztañaga	"#include <iostream>
#include ""boost/interprocess/detail/atomic.hpp""

boost::uint32_t	m_contextId	= 0;
long rtIncrContextId()
{
	boost::uint32_t contextId = -1;
	boost::uint32_t oldValue	  = -1;
	do
	{
		oldValue		=	m_contextId;
		contextId	=	m_contextId + 1;
		if(boost::interprocess::detail::atomic_cas32((volatile boost::uint32_t *)&m_contextId,contextId,oldValue) == oldValue)
			break;
	}while (true);
	return contextId;
}

int main()
{
	std::cout << "" \n Value of m_contextId "" <<	m_contextId;

	rtIncrContextId();

	std::cout << "" \n Value of m_contextId "" <<	m_contextId << std::endl;
}
'''
The above program is not working on sun solaris 10 using sparc.
g++ version is 4.4.2 and because of this sun sparc specific atomic operation are not being used . Instead following function is used''' 
''#elif defined(__GNUC__) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )

--------------------------------
------------------------------

inline boost::uint32_t atomic_cas32
   (volatile boost::uint32_t *mem, boost::uint32_t with, boost::uint32_t cmp)
{  return __sync_val_compare_and_swap(const_cast<boost::uint32_t *>(mem), with, cmp);   }''"	Bugs	closed	Boost 1.42.0	interprocess	Boost 1.40.0	Problem	wontfix	atomic_cas32 on Sun solaris 10	saurabh.pandey@…