XtAppReleaseCacheRefs(3) XT FUNCTIONS XtAppReleaseCacheRefs(3)NAME
XtAppReleaseCacheRefs - decrement reference counts for resources
SYNTAX
void XtAppReleaseCacheRefs(XtAppContext app_context, XtCacheRef* refs);
ARGUMENTS
app_context
Specifies the application context.
refs Specifies the list of cache references to be released.
DESCRIPTION
XtAppReleaseCacheRefs decrements the reference count for the conversion entries identified by the refs argument. This argument is a pointer
to a NULL-terminated list of XtCacheRef values. If any reference count reaches zero, the destructor, if any, will be called and the
resource removed from the conversion cache.
SEE ALSO
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
X Version 11 libXt 1.1.3 XtAppReleaseCacheRefs(3)
Check Out this Related Man Page
XtCallbackReleaseCacheRef() XtCallbackReleaseCacheRef()
Name
XtCallbackReleaseCacheRef - callback function to release a cached resource value.
Synopsis
void XtCallbackReleaseCacheRef(object, client_data, call_data)
Widget object;
XtPointer client_data;
XtPointer call_data;
Inputs
object Specifies the object with which the resource is associated.
client_data
Specifies the conversion cache entry to be released.
call_data Is ignored.
Availability
Release 4 and later.
Description
XtCallbackReleaseCacheRef() casts its client_data argument to an XtCacheRef, places it in a NULL-terminated array of XtCacheRef and passes
this array to XtAppReleaseCacheRefs(). XtAppReleaseCacheRefs() decrements the reference count on the specified object in the resource con-
version cache, and if the count reaches zero it removes the object from the cache and calls the appropriate destructor procedures.
XtCallbackReleaseCacheRef() is a convenience procedure designed to be registered on the destroy callback list of a widget or object (which
is why it has third, unused argument).
Usage
XtCacheRef values are returned from calls to XtCallConverter(). The higher-level converter function XtConvertAndStore() performs the con-
version and automatically registers this function on the object's destroy callback list if necessary.
To release an array of XtCacheRef, you can use XtCallbackReleaseCacheRefList().
Structures
XtCacheRef is an opaque type.
See AlsoXtAppReleaseCacheRefs(1), XtCallbackReleaseCacheRefList(1), XtCallConverter(1), XtConvertAndStore(1).
Xt - Resource Management XtCallbackReleaseCacheRef()
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