Prepares to poll sources within a main loop. The resulting information for polling is determined by calling g_main_context_query ().
You must have successfully acquired the context with g_main_context_acquire() before you may call this function.
location to store priority of highest priority source already ready.
%TRUE if some source is ready to be dispatched prior to polling.
See Implementation
Prepares to poll sources within a main loop. The resulting information for polling is determined by calling g_main_context_query ().
You must have successfully acquired the context with g_main_context_acquire() before you may call this function.