Lines Matching refs:_M_use_count
109 : _M_use_count(1), _M_weak_count(1) { }
115 // Called when _M_use_count drops to zero, to release the resources
130 { __gnu_cxx::__atomic_add_dispatch(&_M_use_count, 1); }
138 if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, -1) == 1)
182 return const_cast<const volatile _Atomic_word&>(_M_use_count);
189 _Atomic_word _M_use_count; // #shared
198 if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, 1) == 0)
200 _M_use_count = 0;
211 if (__gnu_cxx::__exchange_and_add_dispatch(&_M_use_count, 1) == 0)
213 _M_use_count = 0;
227 __count = _M_use_count;
234 while (!__sync_bool_compare_and_swap(&_M_use_count, __count,
