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no need to init this on-demand

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we ~always need it

Change-Id: I94ea47ed75478ecc7c78e89c0209a22d21be2b1b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117133
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
This commit is contained in:
Noel Grandin
2021-06-14 10:13:09 +02:00
parent f420528eaf
commit c71520d7e7
1 changed files with 67 additions and 77 deletions
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144
cppu/source/typelib/typelib.cxx
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@@ -281,16 +281,17 @@ TypeDescriptor_Init_Impl::~TypeDescriptor_Init_Impl()
SAL_INFO_IF( !maCallbacks.empty(), "cppu.typelib", "pCallbacks is not NULL or empty" );
};
namespace { struct Init : public rtl::Static< TypeDescriptor_Init_Impl, Init > {}; }
namespace {
TypeDescriptor_Init_Impl gInit;
}
extern "C" void SAL_CALL typelib_typedescription_registerCallback(
void * pContext, typelib_typedescription_Callback pCallback )
SAL_THROW_EXTERN_C()
{
// todo mt safe: guard is no solution, can not acquire while calling callback!
TypeDescriptor_Init_Impl &rInit = Init::get();
// OslGuard aGuard( rInit.getMutex() );
rInit.maCallbacks.push_back( CallbackEntry( pContext, pCallback ) );
gInit.maCallbacks.push_back( CallbackEntry( pContext, pCallback ) );
}
@@ -298,14 +299,11 @@ extern "C" void SAL_CALL typelib_typedescription_revokeCallback(
void * pContext, typelib_typedescription_Callback pCallback )
SAL_THROW_EXTERN_C()
{
TypeDescriptor_Init_Impl &rInit = Init::get();
{
// todo mt safe: guard is no solution, can not acquire while calling callback!
// todo mt safe: guard is no solution, can not acquire while calling callback!
// OslGuard aGuard( rInit.getMutex() );
CallbackEntry aEntry( pContext, pCallback );
rInit.maCallbacks.erase(std::remove(rInit.maCallbacks.begin(), rInit.maCallbacks.end(), aEntry),
rInit.maCallbacks.end());
}
CallbackEntry aEntry( pContext, pCallback );
gInit.maCallbacks.erase(std::remove(gInit.maCallbacks.begin(), gInit.maCallbacks.end(), aEntry),
gInit.maCallbacks.end());
}
static void typelib_typedescription_initTables(
@@ -334,7 +332,7 @@ static void typelib_typedescription_initTables(
}
}
MutexGuard aGuard( Init::get().getMutex() );
MutexGuard aGuard( gInit.getMutex() );
if( pTD->bComplete )
return;
@@ -414,8 +412,7 @@ bool complete(typelib_TypeDescription ** ppTypeDescr, bool initTables) {
typelib_TypeDescription * pTD = nullptr;
// on demand access of complete td
TypeDescriptor_Init_Impl &rInit = Init::get();
rInit.callChain( &pTD, (*ppTypeDescr)->pTypeName );
gInit.callChain( &pTD, (*ppTypeDescr)->pTypeName );
if (pTD)
{
if (typelib_TypeClass_TYPEDEF == pTD->eTypeClass)
@@ -448,15 +445,15 @@ bool complete(typelib_TypeDescription ** ppTypeDescr, bool initTables) {
OSL_ASSERT( pTD == *ppTypeDescr ); // has to merge into existing one
// insert into the cache
MutexGuard aGuard( rInit.getMutex() );
if( static_cast<sal_Int32>(rInit.maCache.size()) >= nCacheSize )
MutexGuard aGuard( gInit.getMutex() );
if( static_cast<sal_Int32>(gInit.maCache.size()) >= nCacheSize )
{
typelib_typedescription_release( rInit.maCache.front() );
rInit.maCache.pop_front();
typelib_typedescription_release( gInit.maCache.front() );
gInit.maCache.pop_front();
}
// descriptions in the cache must be acquired!
typelib_typedescription_acquire( pTD );
rInit.maCache.push_back( pTD );
gInit.maCache.push_back( pTD );
OSL_ASSERT(
pTD->bComplete
@@ -501,7 +498,7 @@ extern "C" void typelib_typedescription_newEmpty(
auto pTmp = allocTypeDescription<typelib_IndirectTypeDescription>();
pRet = &pTmp->aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nIndirectTypeDescriptionCount );
osl_atomic_increment( &gInit.nIndirectTypeDescriptionCount );
#endif
pTmp->pType = nullptr;
// coverity[leaked_storage] - this is on purpose
@@ -514,7 +511,7 @@ extern "C" void typelib_typedescription_newEmpty(
auto pTmp = allocTypeDescription<typelib_StructTypeDescription>();
pRet = &pTmp->aBase.aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nCompoundTypeDescriptionCount );
osl_atomic_increment( &gInit.nCompoundTypeDescriptionCount );
#endif
pTmp->aBase.pBaseTypeDescription = nullptr;
pTmp->aBase.nMembers = 0;
@@ -532,7 +529,7 @@ extern "C" void typelib_typedescription_newEmpty(
auto pTmp = allocTypeDescription<typelib_CompoundTypeDescription>();
pRet = &pTmp->aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nCompoundTypeDescriptionCount );
osl_atomic_increment( &gInit.nCompoundTypeDescriptionCount );
#endif
pTmp->pBaseTypeDescription = nullptr;
pTmp->nMembers = 0;
@@ -548,7 +545,7 @@ extern "C" void typelib_typedescription_newEmpty(
auto pTmp = allocTypeDescription<typelib_EnumTypeDescription>();
pRet = &pTmp->aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nEnumTypeDescriptionCount );
osl_atomic_increment( &gInit.nEnumTypeDescriptionCount );
#endif
pTmp->nDefaultEnumValue = 0;
pTmp->nEnumValues = 0;
@@ -564,7 +561,7 @@ extern "C" void typelib_typedescription_newEmpty(
typelib_InterfaceTypeDescription>();
pRet = &pTmp->aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nInterfaceTypeDescriptionCount );
osl_atomic_increment( &gInit.nInterfaceTypeDescriptionCount );
#endif
pTmp->pBaseTypeDescription = nullptr;
pTmp->nMembers = 0;
@@ -586,7 +583,7 @@ extern "C" void typelib_typedescription_newEmpty(
typelib_InterfaceMethodTypeDescription>();
pRet = &pTmp->aBase.aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nInterfaceMethodTypeDescriptionCount );
osl_atomic_increment( &gInit.nInterfaceMethodTypeDescriptionCount );
#endif
pTmp->aBase.pMemberName = nullptr;
pTmp->pReturnTypeRef = nullptr;
@@ -607,7 +604,7 @@ extern "C" void typelib_typedescription_newEmpty(
typelib_InterfaceAttributeTypeDescription>();
pRet = &pTmp->aBase.aBase;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nInterfaceAttributeTypeDescriptionCount );
osl_atomic_increment( &gInit.nInterfaceAttributeTypeDescriptionCount );
#endif
pTmp->aBase.pMemberName = nullptr;
pTmp->pAttributeTypeRef = nullptr;
@@ -626,7 +623,7 @@ extern "C" void typelib_typedescription_newEmpty(
{
pRet = allocTypeDescription<typelib_TypeDescription>();
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &Init::get().nTypeDescriptionCount );
osl_atomic_increment( &gInit.nTypeDescriptionCount );
#endif
}
}
@@ -1339,13 +1336,12 @@ extern "C" void SAL_CALL typelib_typedescription_release(
if (0 != ref)
return;
TypeDescriptor_Init_Impl &rInit = Init::get();
if( TYPELIB_TYPEDESCRIPTIONREFERENCE_ISREALLYWEAK( pTD->eTypeClass ) )
{
if( pTD->pWeakRef )
{
{
MutexGuard aGuard( rInit.getMutex() );
MutexGuard aGuard( gInit.getMutex() );
// remove this description from the weak reference
pTD->pWeakRef->pType = nullptr;
}
@@ -1355,12 +1351,12 @@ extern "C" void SAL_CALL typelib_typedescription_release(
else
{
// this description is a reference too, so remove it from the hash table
MutexGuard aGuard( rInit.getMutex() );
WeakMap_Impl::iterator aIt = rInit.maWeakMap.find( pTD->pTypeName->buffer );
if( aIt != rInit.maWeakMap.end() && static_cast<void *>((*aIt).second) == static_cast<void *>(pTD) )
MutexGuard aGuard( gInit.getMutex() );
WeakMap_Impl::iterator aIt = gInit.maWeakMap.find( pTD->pTypeName->buffer );
if( aIt != gInit.maWeakMap.end() && static_cast<void *>((*aIt).second) == static_cast<void *>(pTD) )
{
// remove only if it contains the same object
rInit.maWeakMap.erase( aIt );
gInit.maWeakMap.erase( aIt );
}
}
@@ -1371,26 +1367,26 @@ extern "C" void SAL_CALL typelib_typedescription_release(
switch( pTD->eTypeClass )
{
case typelib_TypeClass_SEQUENCE:
osl_atomic_decrement( &rInit.nIndirectTypeDescriptionCount );
osl_atomic_decrement( &gInit.nIndirectTypeDescriptionCount );
break;
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_EXCEPTION:
osl_atomic_decrement( &rInit.nCompoundTypeDescriptionCount );
osl_atomic_decrement( &gInit.nCompoundTypeDescriptionCount );
break;
case typelib_TypeClass_INTERFACE:
osl_atomic_decrement( &rInit.nInterfaceTypeDescriptionCount );
osl_atomic_decrement( &gInit.nInterfaceTypeDescriptionCount );
break;
case typelib_TypeClass_INTERFACE_METHOD:
osl_atomic_decrement( &rInit.nInterfaceMethodTypeDescriptionCount );
osl_atomic_decrement( &gInit.nInterfaceMethodTypeDescriptionCount );
break;
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
osl_atomic_decrement( &rInit.nInterfaceAttributeTypeDescriptionCount );
osl_atomic_decrement( &gInit.nInterfaceAttributeTypeDescriptionCount );
break;
case typelib_TypeClass_ENUM:
osl_atomic_decrement( &rInit.nEnumTypeDescriptionCount );
osl_atomic_decrement( &gInit.nEnumTypeDescriptionCount );
break;
default:
osl_atomic_decrement( &rInit.nTypeDescriptionCount );
osl_atomic_decrement( &gInit.nTypeDescriptionCount );
}
#endif
@@ -1403,8 +1399,7 @@ extern "C" void SAL_CALL typelib_typedescription_register(
SAL_THROW_EXTERN_C()
{
// connect the description with the weak reference
TypeDescriptor_Init_Impl &rInit = Init::get();
ClearableMutexGuard aGuard( rInit.getMutex() );
ClearableMutexGuard aGuard( gInit.getMutex() );
typelib_TypeDescriptionReference * pTDR = nullptr;
typelib_typedescriptionreference_getByName( &pTDR, (*ppNewDescription)->pTypeName );
@@ -1587,7 +1582,7 @@ extern "C" void SAL_CALL typelib_typedescription_register(
pTDR = reinterpret_cast<typelib_TypeDescriptionReference *>(*ppNewDescription);
// description is the weak itself, so register it
rInit.maWeakMap[pTDR->pTypeName->buffer] = pTDR;
gInit.maWeakMap[pTDR->pTypeName->buffer] = pTDR;
OSL_ASSERT( static_cast<void *>(*ppNewDescription) == static_cast<void *>(pTDR) );
}
@@ -1881,12 +1876,11 @@ extern "C" void SAL_CALL typelib_typedescription_getByName(
}
static bool bInited = false;
TypeDescriptor_Init_Impl &rInit = Init::get();
if( !bInited )
{
// guard against multi thread access
MutexGuard aGuard( rInit.getMutex() );
MutexGuard aGuard( gInit.getMutex() );
if( !bInited )
{
// avoid recursion during the next ...new calls
@@ -1933,7 +1927,7 @@ extern "C" void SAL_CALL typelib_typedescription_getByName(
{
{
// guard against multi thread access
MutexGuard aGuard( rInit.getMutex() );
MutexGuard aGuard( gInit.getMutex() );
// pTDR->pType->pWeakRef == 0 means that the description is empty
if( pTDR->pType && pTDR->pType->pWeakRef )
{
@@ -2006,7 +2000,7 @@ extern "C" void SAL_CALL typelib_typedescription_getByName(
if (nullptr == *ppRet)
{
// on demand access
rInit.callChain( ppRet, pName );
gInit.callChain( ppRet, pName );
}
if( !(*ppRet) )
@@ -2030,15 +2024,15 @@ extern "C" void SAL_CALL typelib_typedescription_getByName(
typelib_typedescription_register( ppRet );
// insert into the cache
MutexGuard aGuard( rInit.getMutex() );
if( static_cast<sal_Int32>(rInit.maCache.size()) >= nCacheSize )
MutexGuard aGuard( gInit.getMutex() );
if( static_cast<sal_Int32>(gInit.maCache.size()) >= nCacheSize )
{
typelib_typedescription_release( rInit.maCache.front() );
rInit.maCache.pop_front();
typelib_typedescription_release( gInit.maCache.front() );
gInit.maCache.pop_front();
}
// descriptions in the cache must be acquired!
typelib_typedescription_acquire( *ppRet );
rInit.maCache.push_back( *ppRet );
gInit.maCache.push_back( *ppRet );
}
}
@@ -2057,12 +2051,11 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_new(
typelib_TypeClass eTypeClass, rtl_uString * pTypeName )
SAL_THROW_EXTERN_C()
{
TypeDescriptor_Init_Impl &rInit = Init::get();
if( eTypeClass == typelib_TypeClass_TYPEDEF )
{
// on demand access
typelib_TypeDescription * pRet = nullptr;
rInit.callChain( &pRet, pTypeName );
gInit.callChain( &pRet, pTypeName );
if( pRet )
{
// typedescription found
@@ -2084,13 +2077,13 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_new(
typelib_typedescription_register( &pRet );
// insert into the cache
MutexGuard aGuard( rInit.getMutex() );
if( static_cast<sal_Int32>(rInit.maCache.size()) >= nCacheSize )
MutexGuard aGuard( gInit.getMutex() );
if( static_cast<sal_Int32>(gInit.maCache.size()) >= nCacheSize )
{
typelib_typedescription_release( rInit.maCache.front() );
rInit.maCache.pop_front();
typelib_typedescription_release( gInit.maCache.front() );
gInit.maCache.pop_front();
}
rInit.maCache.push_back( pRet );
gInit.maCache.push_back( pRet );
// pRet kept acquired for cache
typelib_typedescriptionreference_acquire( pRet->pWeakRef );
@@ -2108,7 +2101,7 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_new(
return;
}
MutexGuard aGuard( rInit.getMutex() );
MutexGuard aGuard( gInit.getMutex() );
typelib_typedescriptionreference_getByName( ppTDR, pTypeName );
if( *ppTDR )
return;
@@ -2117,7 +2110,7 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_new(
{
typelib_TypeDescriptionReference * pTDR = new typelib_TypeDescriptionReference;
#if OSL_DEBUG_LEVEL > 0
osl_atomic_increment( &rInit.nTypeDescriptionReferenceCount );
osl_atomic_increment( &gInit.nTypeDescriptionReferenceCount );
#endif
pTDR->nRefCount = 1;
pTDR->nStaticRefCount = 0;
@@ -2139,7 +2132,7 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_new(
// Heavy hack, the const sal_Unicode * is hold by the typedescription reference
// not registered
rInit.maWeakMap[ (*ppTDR)->pTypeName->buffer ] = *ppTDR;
gInit.maWeakMap[ (*ppTDR)->pTypeName->buffer ] = *ppTDR;
}
@@ -2160,19 +2153,18 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_release(
{
if( ! osl_atomic_decrement( &pRef->nRefCount ) )
{
TypeDescriptor_Init_Impl &rInit = Init::get();
MutexGuard aGuard( rInit.getMutex() );
WeakMap_Impl::iterator aIt = rInit.maWeakMap.find( pRef->pTypeName->buffer );
if( aIt != rInit.maWeakMap.end() && (*aIt).second == pRef )
MutexGuard aGuard( gInit.getMutex() );
WeakMap_Impl::iterator aIt = gInit.maWeakMap.find( pRef->pTypeName->buffer );
if( aIt != gInit.maWeakMap.end() && (*aIt).second == pRef )
{
// remove only if it contains the same object
rInit.maWeakMap.erase( aIt );
gInit.maWeakMap.erase( aIt );
}
rtl_uString_release( pRef->pTypeName );
OSL_ASSERT( pRef->pType == nullptr );
#if OSL_DEBUG_LEVEL > 0
osl_atomic_decrement( &rInit.nTypeDescriptionReferenceCount );
osl_atomic_decrement( &gInit.nTypeDescriptionReferenceCount );
#endif
delete pRef;
}
@@ -2203,7 +2195,7 @@ extern "C" void SAL_CALL typelib_typedescriptionreference_getDescription(
}
{
MutexGuard aGuard( Init::get().getMutex() );
MutexGuard aGuard( gInit.getMutex() );
// pRef->pType->pWeakRef == 0 means that the description is empty
if( pRef->pType && pRef->pType->pWeakRef )
{
@@ -2239,11 +2231,10 @@ extern "C" void typelib_typedescriptionreference_getByName(
typelib_typedescriptionreference_release( *ppRet );
*ppRet = nullptr;
}
TypeDescriptor_Init_Impl &rInit = Init::get();
MutexGuard aGuard( rInit.getMutex() );
WeakMap_Impl::const_iterator aIt = rInit.maWeakMap.find( pName->buffer );
if( aIt == rInit.maWeakMap.end() )
MutexGuard aGuard( gInit.getMutex() );
WeakMap_Impl::const_iterator aIt = gInit.maWeakMap.find( pName->buffer );
if( aIt == gInit.maWeakMap.end() )
return;
sal_Int32 n = osl_atomic_increment( &(*aIt).second->nRefCount );
@@ -2295,14 +2286,13 @@ extern "C" void SAL_CALL typelib_setCacheSize( sal_Int32 nNewSize )
if (nNewSize < 0)
return;
TypeDescriptor_Init_Impl &rInit = Init::get();
MutexGuard aGuard( rInit.getMutex() );
MutexGuard aGuard( gInit.getMutex() );
if (nNewSize < nCacheSize)
{
while (static_cast<sal_Int32>(rInit.maCache.size()) != nNewSize)
while (static_cast<sal_Int32>(gInit.maCache.size()) != nNewSize)
{
typelib_typedescription_release( rInit.maCache.front() );
rInit.maCache.pop_front();
typelib_typedescription_release( gInit.maCache.front() );
gInit.maCache.pop_front();
}
}
nCacheSize = nNewSize;