_S_swap _S_swap_ptr

static void* _Atomic_swap_struct< 0 >::_S_swap_ptr ( void *_STLP_VOLATILE *  __p, void *  __q  ) [inline, static] Definition at line 591 of file _threads.h. { #if defined (_STLP_THREADS) # if defined (_STLP_ATOMIC_EXCHANGE_PTR) return _STLP_ATOMIC_EXCHANGE_PTR(__p, __q); # elif defined (_STLP_ATOMIC_EXCHANGE) _STLP_STATIC_ASSERT(sizeof(__stl_atomic_t) == sizeof(void*)) return __REINTERPRET_CAST(void*, _STLP_ATOMIC_EXCHANGE(__REINTERPRET_CAST(volatile __stl_atomic_t*, __p), __REINTERPRET_CAST(__stl_atomic_t, __q)) ); # elif defined (_STLP_USE_ATOMIC_SWAP_MUTEX) _S_swap_lock._M_acquire_lock(); void *__result = *__p; *__p = __q; _S_swap_lock._M_release_lock(); return __result; # else # error Missing pointer atomic swap implementation # endif #else /* no thread */ void *__result = *__p; *__p = __q; return __result; #endif }