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authorJochen Nitschke <j.nitschke+logerrit@ok.de>2017-06-08 21:29:23 +0200
committerNoel Grandin <noel.grandin@collabora.co.uk>2017-06-09 13:40:37 +0200
commite78d128e3b7bf45990d1f7b27123ccd616665f93 (patch)
tree3ed3a8ee792e52f6b0cb5df085428e7b9c526c1a /UnoControls/source
parent86338ee6aa90854a0e161857d760bbdba12bf06d (diff)
UnoControls: replace double checked locking patterns
with thread safe local statics Change-Id: I6ba88ffc3b3489bfe4dce17c4297312dd9765f2e Reviewed-on: https://gerrit.libreoffice.org/38594 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>
Diffstat (limited to 'UnoControls/source')
-rw-r--r--UnoControls/source/base/basecontainercontrol.cxx28
-rw-r--r--UnoControls/source/base/basecontrol.cxx39
-rw-r--r--UnoControls/source/controls/framecontrol.cxx68
-rw-r--r--UnoControls/source/controls/progressbar.cxx28
-rw-r--r--UnoControls/source/controls/progressmonitor.cxx30
-rw-r--r--UnoControls/source/controls/statusindicator.cxx28
6 files changed, 44 insertions, 177 deletions
diff --git a/UnoControls/source/base/basecontainercontrol.cxx b/UnoControls/source/base/basecontainercontrol.cxx
index a6fb9b97447a..766b5fa75e6d 100644
--- a/UnoControls/source/base/basecontainercontrol.cxx
+++ b/UnoControls/source/base/basecontainercontrol.cxx
@@ -73,30 +73,12 @@ Any SAL_CALL BaseContainerControl::queryInterface( const Type& rType )
Sequence< Type > SAL_CALL BaseContainerControl::getTypes()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
- static OTypeCollection* pTypeCollection = nullptr;
+ static OTypeCollection ourTypeCollection(
+ cppu::UnoType<XControlModel>::get(),
+ cppu::UnoType<XControlContainer>::get(),
+ BaseControl::getTypes() );
- if ( pTypeCollection == nullptr )
- {
- // Ready for multithreading; get global mutex for first call of this method only! see before
- MutexGuard aGuard( Mutex::getGlobalMutex() );
-
- // Control these pointer again ... it can be, that another instance will be faster then these!
- if ( pTypeCollection == nullptr )
- {
- // Create a static typecollection ...
- static OTypeCollection aTypeCollection ( cppu::UnoType<XControlModel>::get(),
- cppu::UnoType<XControlContainer>::get(),
- BaseControl::getTypes()
- );
- // ... and set his address to static pointer!
- pTypeCollection = &aTypeCollection;
- }
- }
-
- return pTypeCollection->getTypes();
+ return ourTypeCollection.getTypes();
}
// XAggregation
diff --git a/UnoControls/source/base/basecontrol.cxx b/UnoControls/source/base/basecontrol.cxx
index 81a79a4da107..f488113a273b 100644
--- a/UnoControls/source/base/basecontrol.cxx
+++ b/UnoControls/source/base/basecontrol.cxx
@@ -114,35 +114,16 @@ void SAL_CALL BaseControl::release() throw()
Sequence< Type > SAL_CALL BaseControl::getTypes()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
- static OTypeCollection* pTypeCollection = nullptr;
-
- if ( pTypeCollection == nullptr )
- {
- // Ready for multithreading; get global mutex for first call of this method only! see before
- MutexGuard aGuard( Mutex::getGlobalMutex() );
-
- // Control these pointer again ... it can be, that another instance will be faster then these!
- if ( pTypeCollection == nullptr )
- {
- // Create a static typecollection ...
- static OTypeCollection aTypeCollection( cppu::UnoType<XPaintListener>::get(),
- cppu::UnoType<XWindowListener>::get(),
- cppu::UnoType<XView>::get(),
- cppu::UnoType<XWindow>::get(),
- cppu::UnoType<XServiceInfo>::get(),
- cppu::UnoType<XControl>::get(),
- OComponentHelper::getTypes()
- );
-
- // ... and set his address to static pointer!
- pTypeCollection = &aTypeCollection;
- }
- }
-
- return pTypeCollection->getTypes();
+ static OTypeCollection ourTypeCollection(
+ cppu::UnoType<XPaintListener>::get(),
+ cppu::UnoType<XWindowListener>::get(),
+ cppu::UnoType<XView>::get(),
+ cppu::UnoType<XWindow>::get(),
+ cppu::UnoType<XServiceInfo>::get(),
+ cppu::UnoType<XControl>::get(),
+ OComponentHelper::getTypes() );
+
+ return ourTypeCollection.getTypes();
}
// XTypeProvider
diff --git a/UnoControls/source/controls/framecontrol.cxx b/UnoControls/source/controls/framecontrol.cxx
index ed9b15e2870a..e9fe0371840e 100644
--- a/UnoControls/source/controls/framecontrol.cxx
+++ b/UnoControls/source/controls/framecontrol.cxx
@@ -107,31 +107,13 @@ void SAL_CALL FrameControl::release() throw()
Sequence< Type > SAL_CALL FrameControl::getTypes()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
- static OTypeCollection* pTypeCollection = nullptr;
+ static OTypeCollection ourTypeCollection(
+ cppu::UnoType<XControlModel>::get(),
+ cppu::UnoType<XControlContainer>::get(),
+ cppu::UnoType<XConnectionPointContainer>::get(),
+ BaseControl::getTypes() );
- if ( pTypeCollection == nullptr )
- {
- // Ready for multithreading; get global mutex for first call of this method only! see before
- MutexGuard aGuard( Mutex::getGlobalMutex() );
-
- // Control these pointer again ... it can be, that another instance will be faster then these!
- if ( pTypeCollection == nullptr )
- {
- // Create a static typecollection ...
- static OTypeCollection aTypeCollection ( cppu::UnoType<XControlModel>::get(),
- cppu::UnoType<XControlContainer>::get(),
- cppu::UnoType<XConnectionPointContainer>::get(),
- BaseControl::getTypes()
- );
- // ... and set his address to static pointer!
- pTypeCollection = &aTypeCollection;
- }
- }
-
- return pTypeCollection->getTypes();
+ return ourTypeCollection.getTypes();
}
// XAggregation
@@ -353,44 +335,20 @@ void FrameControl::getFastPropertyValue( Any& rRet ,
IPropertyArrayHelper& FrameControl::getInfoHelper()
{
// Create a table that map names to index values.
- static OPropertyArrayHelper* pInfo;
-
- if (!pInfo)
- {
- // global method must be guarded
- MutexGuard aGuard ( Mutex::getGlobalMutex() );
+ static OPropertyArrayHelper ourPropertyInfo( impl_getStaticPropertyDescriptor(), true );
- if (!pInfo)
- {
- pInfo = new OPropertyArrayHelper( impl_getStaticPropertyDescriptor(), true );
- }
- }
-
- return *pInfo;
+ return ourPropertyInfo;
}
// OPropertySetHelper
Reference< XPropertySetInfo > SAL_CALL FrameControl::getPropertySetInfo()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pInfo is NULL - for the second call pInfo is different from NULL!
- static Reference< XPropertySetInfo >* pInfo = nullptr;
- if ( pInfo == nullptr )
- {
- // Ready for multithreading
- MutexGuard aGuard ( Mutex::getGlobalMutex () );
- // Control this pointer again, another instance can be faster then these!
- if ( pInfo == nullptr )
- {
- // Create structure of propertysetinfo for baseclass "OPropertySetHelper".
- // (Use method "getInfoHelper()".)
- static Reference< XPropertySetInfo > xInfo ( createPropertySetInfo ( getInfoHelper () ) );
- pInfo = &xInfo;
- }
- }
- return ( *pInfo );
+ // Create structure of propertysetinfo for baseclass "OPropertySetHelper".
+ // (Use method "getInfoHelper()".)
+ static Reference< XPropertySetInfo > xInfo( createPropertySetInfo( getInfoHelper() ) );
+
+ return xInfo;
}
// BaseControl
diff --git a/UnoControls/source/controls/progressbar.cxx b/UnoControls/source/controls/progressbar.cxx
index ceebf816199b..3cc8372da483 100644
--- a/UnoControls/source/controls/progressbar.cxx
+++ b/UnoControls/source/controls/progressbar.cxx
@@ -106,30 +106,12 @@ void SAL_CALL ProgressBar::release() throw()
Sequence< Type > SAL_CALL ProgressBar::getTypes()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
- static OTypeCollection* pTypeCollection = nullptr;
+ static OTypeCollection ourTypeCollection(
+ cppu::UnoType<XControlModel>::get(),
+ cppu::UnoType<XProgressBar>::get(),
+ BaseControl::getTypes() );
- if ( pTypeCollection == nullptr )
- {
- // Ready for multithreading; get global mutex for first call of this method only! see before
- MutexGuard aGuard( Mutex::getGlobalMutex() );
-
- // Control these pointer again ... it can be, that another instance will be faster then these!
- if ( pTypeCollection == nullptr )
- {
- // Create a static typecollection ...
- static OTypeCollection aTypeCollection ( cppu::UnoType<XControlModel>::get(),
- cppu::UnoType<XProgressBar>::get(),
- BaseControl::getTypes()
- );
- // ... and set his address to static pointer!
- pTypeCollection = &aTypeCollection;
- }
- }
-
- return pTypeCollection->getTypes();
+ return ourTypeCollection.getTypes();
}
// XAggregation
diff --git a/UnoControls/source/controls/progressmonitor.cxx b/UnoControls/source/controls/progressmonitor.cxx
index 3354e60131c1..cabdc1a15ddc 100644
--- a/UnoControls/source/controls/progressmonitor.cxx
+++ b/UnoControls/source/controls/progressmonitor.cxx
@@ -147,31 +147,13 @@ void SAL_CALL ProgressMonitor::release() throw()
// XTypeProvider
Sequence< Type > SAL_CALL ProgressMonitor::getTypes()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
- static OTypeCollection* pTypeCollection = nullptr;
+ static OTypeCollection ourTypeCollection(
+ cppu::UnoType<XLayoutConstrains>::get(),
+ cppu::UnoType<XButton>::get(),
+ cppu::UnoType<XProgressMonitor>::get(),
+ BaseContainerControl::getTypes() );
- if ( pTypeCollection == nullptr )
- {
- // Ready for multithreading; get global mutex for first call of this method only! see before
- MutexGuard aGuard( Mutex::getGlobalMutex() );
-
- // Control these pointer again ... it can be, that another instance will be faster then these!
- if ( pTypeCollection == nullptr )
- {
- // Create a static typecollection ...
- static OTypeCollection aTypeCollection ( cppu::UnoType<XLayoutConstrains>::get(),
- cppu::UnoType<XButton>::get(),
- cppu::UnoType<XProgressMonitor>::get(),
- BaseContainerControl::getTypes()
- );
- // ... and set his address to static pointer!
- pTypeCollection = &aTypeCollection;
- }
- }
-
- return pTypeCollection->getTypes();
+ return ourTypeCollection.getTypes();
}
// XAggregation
diff --git a/UnoControls/source/controls/statusindicator.cxx b/UnoControls/source/controls/statusindicator.cxx
index 9d3f714bc2a9..e0c79a936ce7 100644
--- a/UnoControls/source/controls/statusindicator.cxx
+++ b/UnoControls/source/controls/statusindicator.cxx
@@ -115,30 +115,12 @@ void SAL_CALL StatusIndicator::release() throw()
Sequence< Type > SAL_CALL StatusIndicator::getTypes()
{
- // Optimize this method !
- // We initialize a static variable only one time. And we don't must use a mutex at every call!
- // For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
- static OTypeCollection* pTypeCollection = nullptr;
+ static OTypeCollection ourTypeCollection(
+ cppu::UnoType<XLayoutConstrains>::get(),
+ cppu::UnoType<XStatusIndicator>::get(),
+ BaseContainerControl::getTypes() );
- if ( pTypeCollection == nullptr )
- {
- // Ready for multithreading; get global mutex for first call of this method only! see before
- MutexGuard aGuard( Mutex::getGlobalMutex() );
-
- // Control these pointer again ... it can be, that another instance will be faster then these!
- if ( pTypeCollection == nullptr )
- {
- // Create a static typecollection ...
- static OTypeCollection aTypeCollection ( cppu::UnoType<XLayoutConstrains>::get(),
- cppu::UnoType<XStatusIndicator>::get(),
- BaseContainerControl::getTypes()
- );
- // ... and set his address to static pointer!
- pTypeCollection = &aTypeCollection;
- }
- }
-
- return pTypeCollection->getTypes();
+ return ourTypeCollection.getTypes();
}
// XAggregation