Provided by: libx11-doc_1.6.9-2ubuntu1.6_all 
NAME
XGrabServer, XUngrabServer - grab the server
SYNTAX
int XGrabServer(Display *display);
int XUngrabServer(Display *display);
ARGUMENTS
display Specifies the connection to the X server.
DESCRIPTION
The XGrabServer function disables processing of requests and close downs on all other connections than
the one this request arrived on. You should not grab the X server any more than is absolutely necessary.
The XUngrabServer function restarts processing of requests and close downs on other connections. You
should avoid grabbing the X server as much as possible.
SEE ALSO
XGrabButton(3), XGrabKey(3), XGrabKeyboard(3), XGrabPointer(3) Xlib - C Language X Interface