pause_ops_linux.hpp

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#ifndef BOOST_FAIRNESS_PAUSE_OPS_LINUX_HPP
#define BOOST_FAIRNESS_PAUSE_OPS_LINUX_HPP
 
namespace boost::fairness::detail{
 
#if defined(__x86_64__) || defined(__i386__)
    inline void pause_(){
        __asm__ __volatile__ ("pause");
    }
 
#elif defined(__ia64__)
    inline void pause_(){
        __asm__ __volatile__ ("hint @pause");
    }
 
#elif defined(__arm__)
    inline void pause_(){
        __asm__ __volatile__ ("yield");
    }
 
#else
    inline void pause_(){ // even if pause_ get optimized away it doesn`t matter considering this is used with atomic operations, worst case scenrario the thread does not relax
        return;
    }
 
#endif
 
}
 
#endif // BOOST_FAIRNESS_PAUSE_OPS_LINUX_HPP