Ecore_Xcb_Flush_Group (3) Linux Manual Page
X Synchronization Functions – Functions that ensure that all commands that have been issued by the Ecore X library have been sent to the server.
Functions
EAPI void ecore_x_flush (void)Sends all X commands in the X Display buffer.
EAPI void ecore_x_sync (void)
Flushes the command buffer and waits until all requests have been processed by the server.
