debian man page for xungrabserver

XGrabServer(3)							  XLIB FUNCTIONS						    XGrabServer(3)

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

X Version 11							   libX11 1.5.0 						    XGrabServer(3)