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Special Forums News, Links, Events and Announcements Software Releases - RSS News xlibtrace 0.1 (Default branch)
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Old 01-20-2009
xlibtrace 0.1 (Default branch)
xlibtrace displays the interaction between X11client programs and the X11 client shared library(libX11.so) by showing the Xlib calls that aremade. Output is shown in a style similar tostrace(1). It works by using the $LD_PRELOADdynamic linker option to insert itself between thetarget X11 client program and libX11.so. Thisallows it to "intercept" all calls to X functions,whereupon it has the opportunity to print the nameof the function being called, along with anyarguments and return value. This can beparticularly useful when analyzing the behavior ofclosed-source X11 programs.Image

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xseteventqueueowner

XSetEventQueueOwner(3)						  XLIB FUNCTIONS					    XSetEventQueueOwner(3)

NAME

       XSetEventQueueOwner - set event queue owner on a shared Xlib/XCB connection

SYNTAX


	       #include <X11/Xlib-xcb.h>

       void XSetEventQueueOwner(Display *dpy, enum XEventQueueOwner owner);

ARGUMENTS

       dpy	 Specifies the connection to the X server.

       owner	 Specifies the event queue ownership:

		 XlibOwnsEventQueue (default)
			Xlib owns the event queue.  Use the Xlib event-handling functions.  Do not call the XCB event-handling functions.

		 XCBOwnsEventQueue
			XCB owns the event queue.  Use the XCB event-handling functions.  Do not call the Xlib event-handling functions.

DESCRIPTION

       While  a  client  using Xlib/XCB can issue requests and handle their replies or errors with either Xlib or XCB, only one can own and handle
       the event queue.  By default, Xlib must own the event queue, for compatibility with legacy Xlib clients.  Clients can call  XSetEventQueue-
       Owner  immediately  after XOpenDisplay to let XCB own the event queue instead.  Clients may not call XSetEventQueueOwner at any other time,
       as this will potentially lose responses.

SEE ALSO

       XOpenDisplay(3), XGetXCBConnection(3),
       Xlib - C Language X Interface

X Version 11							   libX11 1.3.2 					    XSetEventQueueOwner(3)