C++ (Cpp) ZHTClient::compare_swap Exemples

Exemple #1

Fichier : c_zhtclientStd.cpp Projet : xiaobingo/iit.datasys.zht-mpi

int c_zht_compare_swap_std(ZHTClient_c zhtClient, const char *key,
		const char *seen_value, const char *new_value, char *value_queried) {

#ifdef IND_MUTEX
	LockGuard lock(&c_zht_compare_swap_mutex);
#elif SHARED_MUTEX
	LockGuard lock(&c_zht_client_mutex);
#else
#endif

	ZHTClient * zhtcppClient = (ZHTClient *) zhtClient;

	string skey(key);
	string sseenValue(seen_value);
	string snewValue(new_value);

	string resultStr;
	int rc = zhtcppClient->compare_swap(skey, sseenValue, snewValue, resultStr);

	memset(value_queried, 0, strlen(value_queried));

	strncpy(value_queried, resultStr.c_str(), resultStr.size());

	return rc;
}