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;
}
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);
}