nsTraceRefcnt.h
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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator client code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * L. David Baron <dbaron@dbaron.org>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef nsTraceRefcnt_h___
- #define nsTraceRefcnt_h___
- #include "nscore.h"
- class nsISupports;
- // By default refcnt logging is not part of the build.
- #undef NS_BUILD_REFCNT_LOGGING
- #if (defined(DEBUG) || defined(FORCE_BUILD_REFCNT_LOGGING))
- // Make refcnt logging part of the build. This doesn't mean that
- // actual logging will occur (that requires a separate enable; see
- // nsTraceRefcnt.h for more information).
- #define NS_BUILD_REFCNT_LOGGING 1
- #endif
- // If NO_BUILD_REFCNT_LOGGING is defined then disable refcnt logging
- // in the build. This overrides FORCE_BUILD_REFCNT_LOGGING.
- #if defined(NO_BUILD_REFCNT_LOGGING)
- #undef NS_BUILD_REFCNT_LOGGING
- #endif
- #ifdef NS_BUILD_REFCNT_LOGGING
- #define NS_LOG_ADDREF(_p, _rc, _type, _size)
- nsTraceRefcnt::LogAddRef((_p), (_rc), (_type), (PRUint32) (_size))
- #define NS_LOG_RELEASE(_p, _rc, _type)
- nsTraceRefcnt::LogRelease((_p), (_rc), (_type))
- #define MOZ_DECL_CTOR_COUNTER(_type)
- #define MOZ_COUNT_CTOR(_type)
- PR_BEGIN_MACRO
- nsTraceRefcnt::LogCtor((void*)this, #_type, sizeof(*this));
- PR_END_MACRO
- #define MOZ_COUNT_DTOR(_type)
- PR_BEGIN_MACRO
- nsTraceRefcnt::LogDtor((void*)this, #_type, sizeof(*this));
- PR_END_MACRO
- #ifdef HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR // from autoconf (XXX needs to be
- // set for non-autoconf platforms)
- // nsCOMPtr.h allows these macros to be defined by clients
- // These logging functions require dynamic_cast<void *>, so we don't
- // define these macros if we don't have dynamic_cast.
- #define NSCAP_LOG_ASSIGNMENT(_c, _p)
- if (_p)
- nsTraceRefcnt::LogAddCOMPtr((_c),NS_STATIC_CAST(nsISupports*,_p))
- #define NSCAP_LOG_RELEASE(_c, _p)
- if (_p)
- nsTraceRefcnt::LogReleaseCOMPtr((_c), NS_STATIC_CAST(nsISupports*,_p))
- #endif /* HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR */
- #else /* !NS_BUILD_REFCNT_LOGGING */
- #define NS_LOG_ADDREF(_p, _rc, _type, _size)
- #define NS_LOG_RELEASE(_p, _rc, _type)
- #define MOZ_DECL_CTOR_COUNTER(_type)
- #define MOZ_COUNT_CTOR(_type)
- #define MOZ_COUNT_DTOR(_type)
- #endif /* NS_BUILD_REFCNT_LOGGING */
- //----------------------------------------------------------------------
- /**
- * Note: The implementations for these methods are no-ops in a build
- * where NS_BUILD_REFCNT_LOGGING is disabled.
- */
- class nsTraceRefcnt {
- public:
- static NS_COM_GLUE void LogAddRef(void* aPtr,
- nsrefcnt aNewRefCnt,
- const char* aTypeName,
- PRUint32 aInstanceSize);
- static NS_COM_GLUE void LogRelease(void* aPtr,
- nsrefcnt aNewRefCnt,
- const char* aTypeName);
- static NS_COM_GLUE void LogCtor(void* aPtr, const char* aTypeName,
- PRUint32 aInstanceSize);
- static NS_COM_GLUE void LogDtor(void* aPtr, const char* aTypeName,
- PRUint32 aInstanceSize);
- static NS_COM_GLUE void LogAddCOMPtr(void *aCOMPtr, nsISupports *aObject);
- static NS_COM_GLUE void LogReleaseCOMPtr(void *aCOMPtr, nsISupports *aObject);
- };
- #endif /* nsTraceRefcnt_h___ */