Typo "ones" -> "once" in comments

Change-Id: I832d92e4ba1799869f4ebbb5451e9a80e28bb573
Reviewed-on: https://gerrit.libreoffice.org/79020
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

1 files changed, 12 insertions, 12 deletions

diff --git a/chart2/source/tools/LifeTime.cxx b/chart2/source/tools/LifeTime.cxx
index 5a7a10b37307..26e19b1a6b53 100644
--- a/chart2/source/tools/LifeTime.cxx
+++ b/chart2/source/tools/LifeTime.cxx
@@ -86,7 +86,7 @@ void LifeTimeManager::impl_registerApiCall(bool bLongLastingCall)
 
 void LifeTimeManager::impl_unregisterApiCall(bool bLongLastingCall)
 {
-    //Mutex needs to be acquired exactly ones
+    //Mutex needs to be acquired exactly once
     //mutex may be released inbetween in special case of impl_apiCallCountReachedNull()
 
     OSL_ENSURE( m_nAccessCount>0, "access count mismatch" );
@@ -193,7 +193,7 @@ bool CloseableLifeTimeManager::g_close_startTryClose(bool bDeliverOwnership)
         if( impl_isDisposedOrClosed(false) )
             return false;
 
-        //Mutex needs to be acquired exactly ones; will be released inbetween
+        //Mutex needs to be acquired exactly once; will be released inbetween
         if( !impl_canStartApiCall() )
             return false;
         //mutex is acquired
@@ -251,7 +251,7 @@ void CloseableLifeTimeManager::g_close_endTryClose(bool bDeliverOwnership )
     m_bInTryClose = false;
     m_aEndTryClosingCondition.set();
 
-    //Mutex needs to be acquired exactly ones
+    //Mutex needs to be acquired exactly once
     //mutex may be released inbetween in special case of impl_apiCallCountReachedNull()
     impl_unregisterApiCall(false);
 }
@@ -273,7 +273,7 @@ void CloseableLifeTimeManager::g_close_isNeedToCancelLongLastingCalls( bool bDel
     m_bInTryClose = false;
     m_aEndTryClosingCondition.set();
 
-    //Mutex needs to be acquired exactly ones
+    //Mutex needs to be acquired exactly once
     //mutex may be released inbetween in special case of impl_apiCallCountReachedNull()
     impl_unregisterApiCall(false);
 
@@ -288,7 +288,7 @@ void CloseableLifeTimeManager::g_close_endTryClose_doClose()
     m_bInTryClose       = false;
     m_aEndTryClosingCondition.set();
 
-    //Mutex needs to be acquired exactly ones
+    //Mutex needs to be acquired exactly once
     //mutex may be released inbetween in special case of impl_apiCallCountReachedNull()
     impl_unregisterApiCall(false);
     impl_doClose();
@@ -301,7 +301,7 @@ void CloseableLifeTimeManager::impl_setOwnership( bool bDeliverOwnership, bool b
 
 void CloseableLifeTimeManager::impl_apiCallCountReachedNull()
 {
-    //Mutex needs to be acquired exactly ones
+    //Mutex needs to be acquired exactly once
     //mutex will be released inbetween in impl_doClose()
     if( m_pCloseable && m_bOwnership )
         impl_doClose();
@@ -309,7 +309,7 @@ void CloseableLifeTimeManager::impl_apiCallCountReachedNull()
 
 void CloseableLifeTimeManager::impl_doClose()
 {
-    //Mutex needs to be acquired exactly ones before calling impl_doClose()
+    //Mutex needs to be acquired exactly once before calling impl_doClose()
 
     if(m_bClosed)
         return; //behave as passive as possible, if disposed or closed already
@@ -363,7 +363,7 @@ void CloseableLifeTimeManager::impl_doClose()
 void CloseableLifeTimeManager::g_addCloseListener( const uno::Reference< util::XCloseListener > & xListener )
 {
     osl::Guard< osl::Mutex > aGuard( m_aAccessMutex );
-    //Mutex needs to be acquired exactly ones; will be released inbetween
+    //Mutex needs to be acquired exactly once; will be released inbetween
     if( !impl_canStartApiCall() )
         return;
     //mutex is acquired
@@ -374,7 +374,7 @@ void CloseableLifeTimeManager::g_addCloseListener( const uno::Reference< util::X
 
 bool CloseableLifeTimeManager::impl_canStartApiCall()
 {
-    //Mutex needs to be acquired exactly ones before calling this method
+    //Mutex needs to be acquired exactly once before calling this method
     //the mutex will be released inbetween and reacquired
 
     if( impl_isDisposed() )
@@ -401,14 +401,14 @@ bool CloseableLifeTimeManager::impl_canStartApiCall()
 
 bool LifeTimeGuard::startApiCall(bool bLongLastingCall)
 {
-    //Mutex needs to be acquired exactly ones; will be released inbetween
+    //Mutex needs to be acquired exactly once; will be released inbetween
     //mutex is required due to constructor of LifeTimeGuard
 
     OSL_ENSURE( !m_bCallRegistered, "this method is only allowed ones" );
     if(m_bCallRegistered)
         return false;
 
-    //Mutex needs to be acquired exactly ones; will be released inbetween
+    //Mutex needs to be acquired exactly once; will be released inbetween
     if( !m_rManager.impl_canStartApiCall() )
         return false;
     //mutex is acquired
@@ -427,7 +427,7 @@ LifeTimeGuard::~LifeTimeGuard()
         osl::MutexGuard g(m_rManager.m_aAccessMutex);
         if(m_bCallRegistered)
         {
-            //Mutex needs to be acquired exactly ones
+            //Mutex needs to be acquired exactly once
             //mutex may be released inbetween in special case of impl_apiCallCountReachedNull()
             m_rManager.impl_unregisterApiCall(m_bLongLastingCallRegistered);
         }