123#define QUERY_INIT(port) query_init(port)
128#define QUERY_SHUTDOWN() query_shutdown()
134#define QUERY_ACTIVE() query_is_active()
140#define QUERY_PORT() query_get_port()
144#define QUERY_INIT(port) ((void)(port), -1)
145#define QUERY_SHUTDOWN() ((void)0)
146#define QUERY_ACTIVE() (false)
147#define QUERY_PORT() (-1)
int query_init(int preferred_port)
Initialize the query tool by spawning the controller process.
bool query_is_active(void)
Check if the query tool controller is currently active.
int query_get_port(void)
Get the port number of the active query server.
void query_shutdown(void)
Shutdown the query tool and terminate the controller process.