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XRes(3)                                                                XRes(3)




NAME

       XRes - X-Resource extension client library


SYNOPSIS

       #include <X11/extensions/XRes.h>

       typedef struct {
            XID            resource_base;
            XID            resource_mask;
       } XResClient;

       typedef struct {
            Atom           resource_type;
            unsigned int   count;
       } XResType;

       Bool    XResQueryExtension(Display    *dpy,   int   *event_basep,   int
              *error_basep);

       Status  XResQueryVersion(Display   *dpy,   int   *major_versionp,   int
              *minor_versionp);

       Status  XResQueryClients(Display  *dpy,  int  *num_clients,  XResClient
              **clients);

       Status XResQueryClientResources(Display *dpy, XID xid, int  *num_types,
              XResType **types);

       Status  XResQueryClientPixmapBytes(Display *dpy, XID xid, unsigned long
              *bytes);



DESCRIPTION

       X-Resource is an extension that allows a client to query the  X  server
       about its usage of various resources. It should not be mixed with the X
       resource database access functions.

       XResQueryExtension returns True if the XRes extension is  available  on
       the  given display.  A client must call XResQueryExtension before call-
       ing any other XRes function in order to negotiate a compatible protocol
       version;  otherwise the client will get undefined behavior (XRes may or
       may not work).

       XResQueryVersion returns True if the request succeeded; the  values  of
       the  major  and  minor  protocol  versions  supported by the server are
       returned in major_versionp and minor_versionp .


       XResQueryClients fills a list of clients of the given display. For each
       client  it  returns in the XResClient structure a mask and a base value
       of the resources used by these clients.  Returns  True  on  success  or
       False on failure.

       XResQueryClientResources  fills a list of XResType structures, indicat-
       ing for each resource type allocated by the  client  its  name  (as  an
       Atom) and the number of resources of this type allocated.  Returns True
       on success or False on failure.

       XresQueryClientPixmapBytes gives, for  resources  of  type  PIXMAP  the
       total  number  of  bytes allocated in the X server by the given client.
       Returns True on success or False on failure.


ERRORS

       XResQueryClientResources  and  XResQueryClientPixmapBytes  will  return
       BadValue if passed an illegal client identifier.


SEE ALSO

       X(7)


AUTHOR

       Mark Vojkovich, originally for The XFree86 Project Inc.


STABILITY

       This API is considered as experimental. The XRes library major revision
       may be incremented whenever incompatible changes are done  to  the  API
       without notice. Use with care.



X Version 11                     libXres 1.0.3                         XRes(3)

Mac OS X 10.6 X11 - Generated Sun Mar 7 12:30:44 CST 2010
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