Exemplo n.º 1
0
bool
ECPGdisconnect(int lineno, const char *connection_name)
{
	struct sqlca_t *sqlca = ECPGget_sqlca();
	struct connection *con;

	if (sqlca == NULL)
	{
		ecpg_raise(lineno, ECPG_OUT_OF_MEMORY,
				   ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY, NULL);
		return (false);
	}

#ifdef ENABLE_THREAD_SAFETY
	pthread_mutex_lock(&connections_mutex);
#endif

	if (strcmp(connection_name, "ALL") == 0)
	{
		ecpg_init_sqlca(sqlca);
		for (con = all_connections; con;)
		{
			struct connection *f = con;

			con = con->next;
			ecpg_finish(f);
		}
	}
	else
	{
		con = ecpg_get_connection_nr(connection_name);

		if (!ecpg_init(con, connection_name, lineno))
		{
#ifdef ENABLE_THREAD_SAFETY
			pthread_mutex_unlock(&connections_mutex);
#endif
			return (false);
		}
		else
			ecpg_finish(con);
	}

#ifdef ENABLE_THREAD_SAFETY
	pthread_mutex_unlock(&connections_mutex);
#endif

	return true;
}
Exemplo n.º 2
0
struct connection *
ECPGget_connection(const char *connection_name)
{
	struct connection *ret = NULL;

	if ((connection_name == NULL) || (strcmp(connection_name, "CURRENT") == 0))
	{
#ifdef ENABLE_THREAD_SAFETY
		ret = pthread_getspecific(actual_connection_key);

		/*
		 * if no connection in TSD for this thread, get the global default
		 * connection and hope the user knows what they're doing (i.e. using
		 * their own mutex to protect that connection from concurrent accesses
		 */
		if (NULL == ret)
		{
			ECPGlog("no TSD connection here either, using global\n");
			ret = actual_connection;
		}
		else
			ECPGlog("got TSD connection\n");
#else
		ret = actual_connection;
#endif
	}
	else
	{
#ifdef ENABLE_THREAD_SAFETY
		pthread_mutex_lock(&connections_mutex);
#endif

		ret = ecpg_get_connection_nr(connection_name);

#ifdef ENABLE_THREAD_SAFETY
		pthread_mutex_unlock(&connections_mutex);
#endif
	}

	return (ret);
}