Mercurial > octave-nkf
view liboctave/util/singleton-cleanup.h @ 20577:c547458dc10e
eliminate error_state from most header files
* defun-int.h, event-queue.h, graphics.in.h, oct-handle.h,
ov-classdef.h, misc/f77-fcn.h, unwind-prot.h:
Eliminate use of global error_state variable.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sat, 03 Oct 2015 13:20:28 -0400 |
parents | 648dabbb4c6b |
children |
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#if !defined (octave_singleton_cleanup_h) #define octave_singleton_cleanup_h 1 #include <set> class OCTAVE_API singleton_cleanup_list { protected: singleton_cleanup_list (void) : fcn_list () { } public: typedef void (*fptr) (void); ~singleton_cleanup_list (void); static void add (fptr f) { if (instance_ok ()) instance->do_add (f); } static void cleanup (void) { delete instance; instance = 0; } private: static singleton_cleanup_list *instance; static bool instance_ok (void); static void cleanup_instance (void) { delete instance; instance = 0; } std::set<fptr> fcn_list; void do_add (fptr f) { fcn_list.insert (f); } // No copying! singleton_cleanup_list (const singleton_cleanup_list&); singleton_cleanup_list& operator = (const singleton_cleanup_list&); }; #endif