1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef INCLUDED_CANVAS_DEBUG_HXX 25 #define INCLUDED_CANVAS_DEBUG_HXX 26 27 // shared_ptr debugging 28 // -------------------- 29 30 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS 31 32 # include <sal/config.h> 33 # include <boost/shared_ptr.hpp> 34 35 ::std::size_t find_unreachable_objects( bool ); 36 37 # ifdef VERBOSE 38 # include <osl/diagnose.h> 39 # define SHARED_PTR_LEFTOVERS(a) OSL_TRACE("%s\n%s: Unreachable objects still use %d bytes\n", \ 40 BOOST_CURRENT_FUNCTION, a, \ 41 find_unreachable_objects(true) ) 42 # else 43 /** This macro shows how much memory is still used by shared_ptrs 44 45 Use this macro at places in the code where normally all shared_ptr 46 objects should have been deleted. You'll get the number of bytes 47 still contained in those objects, which quite possibly are prevented 48 from deletion by circular references. 49 */ 50 # define SHARED_PTR_LEFTOVERS(a) OSL_TRACE("%s\n%s: Unreachable objects still use %d bytes\n", \ 51 BOOST_CURRENT_FUNCTION, a, \ 52 find_unreachable_objects(false) ) 53 # endif 54 55 #else 56 57 # define SHARED_PTR_LEFTOVERS(a) ((void)0) 58 59 #endif 60 61 #endif // ! defined(INCLUDED_CANVAS_DEBUG_HXX) 62