store/source/object.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "object.hxx"
  22
  23 #include "sal/types.h"
  24 #include "rtl/alloc.h"
  25 #include "rtl/ref.hxx"
  26 #include "osl/diagnose.h"
  27 #include "osl/interlck.h"
  28
  29 namespace store
  30 {
  31
  32 /*========================================================================
  33  *
  34  * OStoreObject implementation.
  35  *
  36  *======================================================================*/
  37 const sal_uInt32 OStoreObject::m_nTypeId = sal_uInt32(0x58190322);
  38
  39 /*
  40  * OStoreObject.
  41  */
  42 OStoreObject::OStoreObject (void)
  43     : m_nRefCount (0)
  44 {
  45 }
  46
  47 /*
  48  * ~OStoreObject.
  49  */
  50 OStoreObject::~OStoreObject (void)
  51 {
  52     OSL_ASSERT(m_nRefCount == 0);
  53 }
  54
  55 /*
  56  * operator new.
  57  */
  58 void* OStoreObject::operator new (size_t n)
  59 {
  60     return rtl_allocateMemory (n);
  61 }
  62
  63 /*
  64  * operator delete.
  65  */
  66 void OStoreObject::operator delete (void *p)
  67 {
  68     rtl_freeMemory (p);
  69 }
  70
  71 /*
  72  * isKindOf.
  73  */
  74 sal_Bool SAL_CALL OStoreObject::isKindOf (sal_uInt32 nTypeId)
  75 {
  76     return (nTypeId == m_nTypeId);
  77 }
  78
  79 /*
  80  * acquire.
  81  */
  82 oslInterlockedCount SAL_CALL OStoreObject::acquire (void)
  83 {
  84     oslInterlockedCount result = osl_atomic_increment (&m_nRefCount);
  85     return (result);
  86 }
  87
  88 /*
  89  * release.
  90  */
  91 oslInterlockedCount SAL_CALL OStoreObject::release (void)
  92 {
  93     oslInterlockedCount result = osl_atomic_decrement (&m_nRefCount);
  94     if (result == 0)
  95     {
  96         // Last reference released.
  97         delete this;
  98     }
  99     return (result);
 100 }
 101
 102 } // namespace store
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */