1*f3cac8d6SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*f3cac8d6SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
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9*f3cac8d6SAndrew Rist * with the License. You may obtain a copy of the License at
10*f3cac8d6SAndrew Rist *
11*f3cac8d6SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*f3cac8d6SAndrew Rist *
13*f3cac8d6SAndrew Rist * Unless required by applicable law or agreed to in writing,
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15*f3cac8d6SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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21*f3cac8d6SAndrew Rist
22*f3cac8d6SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir #include <salhelper/dynload.hxx>
25cdf0e10cSrcweir #include <rtl/ustrbuf.hxx>
26cdf0e10cSrcweir
27cdf0e10cSrcweir namespace salhelper
28cdf0e10cSrcweir {
29cdf0e10cSrcweir
30cdf0e10cSrcweir typedef void* (SAL_CALL *ApiInitFunction) (void);
31cdf0e10cSrcweir
ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_,const rtl::OUString & moduleName,const rtl::OUString & initFunction,void * pApi,oslModule pModule)32cdf0e10cSrcweir ORealDynamicLoader::ORealDynamicLoader(ORealDynamicLoader ** ppSetToZeroInDestructor_,
33cdf0e10cSrcweir const rtl::OUString& moduleName,
34cdf0e10cSrcweir const rtl::OUString& initFunction,
35cdf0e10cSrcweir void* pApi,
36cdf0e10cSrcweir oslModule pModule)
37cdf0e10cSrcweir : m_pApi(pApi)
38cdf0e10cSrcweir , m_refCount(1)
39cdf0e10cSrcweir , m_pModule(pModule)
40cdf0e10cSrcweir , m_strModuleName(moduleName)
41cdf0e10cSrcweir , m_strInitFunction(initFunction)
42cdf0e10cSrcweir , ppSetToZeroInDestructor( ppSetToZeroInDestructor_ )
43cdf0e10cSrcweir {
44cdf0e10cSrcweir }
45cdf0e10cSrcweir
newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor,const rtl::OUString & moduleName,const rtl::OUString & initFunction)46cdf0e10cSrcweir ORealDynamicLoader* ORealDynamicLoader::newInstance(ORealDynamicLoader ** ppSetToZeroInDestructor,
47cdf0e10cSrcweir const rtl::OUString& moduleName,
48cdf0e10cSrcweir const rtl::OUString& initFunction)
49cdf0e10cSrcweir {
50cdf0e10cSrcweir ApiInitFunction initFunc;
51cdf0e10cSrcweir oslModule pModule = osl_loadModule(moduleName.pData, SAL_LOADMODULE_DEFAULT);
52cdf0e10cSrcweir
53cdf0e10cSrcweir if ( !pModule )
54cdf0e10cSrcweir {
55cdf0e10cSrcweir return NULL;
56cdf0e10cSrcweir }
57cdf0e10cSrcweir
58cdf0e10cSrcweir initFunc = (ApiInitFunction)osl_getFunctionSymbol(
59cdf0e10cSrcweir pModule, initFunction.pData);
60cdf0e10cSrcweir
61cdf0e10cSrcweir if ( !initFunc )
62cdf0e10cSrcweir {
63cdf0e10cSrcweir osl_unloadModule(pModule);
64cdf0e10cSrcweir return NULL;
65cdf0e10cSrcweir }
66cdf0e10cSrcweir
67cdf0e10cSrcweir return(new ORealDynamicLoader(ppSetToZeroInDestructor, moduleName,
68cdf0e10cSrcweir initFunction,
69cdf0e10cSrcweir initFunc(),
70cdf0e10cSrcweir pModule));
71cdf0e10cSrcweir }
72cdf0e10cSrcweir
~ORealDynamicLoader()73cdf0e10cSrcweir ORealDynamicLoader::~ORealDynamicLoader()
74cdf0e10cSrcweir {
75cdf0e10cSrcweir // set the address to zero
76cdf0e10cSrcweir if( ppSetToZeroInDestructor )
77cdf0e10cSrcweir *ppSetToZeroInDestructor = 0;
78cdf0e10cSrcweir
79cdf0e10cSrcweir if (m_pModule)
80cdf0e10cSrcweir {
81cdf0e10cSrcweir osl_unloadModule(m_pModule);
82cdf0e10cSrcweir m_pModule = NULL;
83cdf0e10cSrcweir }
84cdf0e10cSrcweir }
85cdf0e10cSrcweir
acquire()86cdf0e10cSrcweir sal_uInt32 ORealDynamicLoader::acquire()
87cdf0e10cSrcweir {
88cdf0e10cSrcweir return ++m_refCount;
89cdf0e10cSrcweir }
90cdf0e10cSrcweir
release()91cdf0e10cSrcweir sal_uInt32 ORealDynamicLoader::release()
92cdf0e10cSrcweir {
93cdf0e10cSrcweir sal_uInt32 nRet = --m_refCount;
94cdf0e10cSrcweir if( nRet == 0 )
95cdf0e10cSrcweir delete this;
96cdf0e10cSrcweir return nRet;
97cdf0e10cSrcweir }
98cdf0e10cSrcweir
99cdf0e10cSrcweir
getApi() const100cdf0e10cSrcweir void* ORealDynamicLoader::getApi() const
101cdf0e10cSrcweir {
102cdf0e10cSrcweir return m_pApi;
103cdf0e10cSrcweir }
104cdf0e10cSrcweir
105cdf0e10cSrcweir } // namespace salhelper
106cdf0e10cSrcweir
107