* The choice of lines'color is defined by the context of the last event for this
* process.
*/
-int draw_before_hook(void *hook_data, void *call_data);
-
-int draw_after_hook(void *hook_data, void *call_data);
+int before_schedchange_hook(void *hook_data, void *call_data);
+int after_schedchange_hook(void *hook_data, void *call_data);
+int before_execmode_hook(void *hook_data, void *call_data);
+int after_execmode_hook(void *hook_data, void *call_data);
+int before_process_hook(void *hook_data, void *call_data);
+int after_process_hook(void *hook_data, void *call_data);
void draw_closure(gpointer key, gpointer value, gpointer user_data);