XtAppAddBlockHook(3Xt) XT FUNCTIONS XtAppAddBlockHook(3Xt)NAMEXtAppAddBlockHook - register a block hook procedureSYNTAXXtBlockHookId XtAppAddBlockHook(app_context, proc, client_data) XtAppContext app_context; XtBlockHookProc proc; XtPointer client_data;ARGUMENTSapp_context Specifies the application context. proc Specifies the block hook procedure.DESCRIPTIONXtAppAddBlockHook registers the specified procedure and returns an identifier for it. The hook is called at any time in the future when the Intrinsics are about to block pending some input. Block hook procedures are removed automatically and the XtBlockHookId is destroyed when the application context in which they were added is destroyed.SEE ALSOXtBlockHookProc(3X), XtRemoveBlockHook(3X) X Version 11 Release 6 XtAppAddBlockHook(3Xt)