fix ScFlatBoolSegmentsImpl delayed setup with threads (tdf#140754)

Change-Id: I258263f6a15e7098a2292ba7f3336fcaaf5224ff
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112184
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
(cherry picked from commit 2fb274950e5207ca55f4f52325fb522bd44024e1)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112212
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Signed-off-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112250

3 files changed, 46 insertions, 0 deletions

diff --git a/sc/inc/segmenttree.hxx b/sc/inc/segmenttree.hxx
index 9d772a0b4b46..cbdb5a7c89d1 100644
--- a/sc/inc/segmenttree.hxx
+++ b/sc/inc/segmenttree.hxx
@@ -76,6 +76,9 @@ public:
 
     SCROW findLastTrue() const;
 
+    // Builds internal data (so that it doesn't build them while used in threads).
+    void makeReady();
+
 private:
     ::std::unique_ptr<ScFlatBoolSegmentsImpl> mpImpl;
 };
@@ -99,6 +102,9 @@ public:
     void removeSegment(SCCOL nCol1, SCCOL nCol2);
     void insertSegment(SCCOL nCol, SCCOL nSize);
 
+    // Builds internal data (so that it doesn't build them while used in threads).
+    void makeReady();
+
 private:
     ::std::unique_ptr<ScFlatBoolSegmentsImpl> mpImpl;
 };
@@ -147,6 +153,9 @@ public:
 
     void enableTreeSearch(bool bEnable);
 
+    // Builds internal data (so that it doesn't build them while used in threads).
+    void makeReady();
+
 private:
     ::std::unique_ptr<ScFlatUInt16SegmentsImpl> mpImpl;
 };
diff --git a/sc/source/core/data/segmenttree.cxx b/sc/source/core/data/segmenttree.cxx
index 254f0f875571..5d7adc18df87 100644
--- a/sc/source/core/data/segmenttree.cxx
+++ b/sc/source/core/data/segmenttree.cxx
@@ -24,6 +24,7 @@
 #include <algorithm>
 #include <limits>
 #include <address.hxx>
+#include <global.hxx>
 
 using ::std::numeric_limits;
 
@@ -66,6 +67,8 @@ public:
         mbTreeSearchEnabled = b;
     }
 
+    void makeReady();
+
 private:
     typedef ::mdds::flat_segment_tree<SCCOLROW, ValueType> fst_type;
     fst_type maSegments;
@@ -131,7 +134,10 @@ typename ScFlatSegmentsImpl<ValueType_, ExtValueType_>::ValueType ScFlatSegments
     }
 
     if (!maSegments.is_tree_valid())
+    {
+        assert(!ScGlobal::bThreadedGroupCalcInProgress);
         maSegments.build_tree();
+    }
 
     maSegments.search_tree(nPos, nValue);
     return nValue;
@@ -185,7 +191,10 @@ bool ScFlatSegmentsImpl<ValueType_, ExtValueType_>::getRangeData(SCCOLROW nPos,
         return getRangeDataLeaf(nPos, rData);
 
     if (!maSegments.is_tree_valid())
+    {
+        assert(!ScGlobal::bThreadedGroupCalcInProgress);
         maSegments.build_tree();
+    }
 
     if (!maSegments.search_tree(nPos, rData.mnValue, &rData.mnPos1, &rData.mnPos2).second)
         return false;
@@ -267,6 +276,14 @@ bool ScFlatSegmentsImpl<ValueType_, ExtValueType_>::getNext(RangeData& rData)
     return true;
 }
 
+template<typename ValueType_, typename ExtValueType_>
+void ScFlatSegmentsImpl<ValueType_, ExtValueType_>::makeReady()
+{
+    assert(!ScGlobal::bThreadedGroupCalcInProgress);
+    if (!maSegments.is_tree_valid())
+        maSegments.build_tree();
+}
+
 class ScFlatUInt16SegmentsImpl : public ScFlatSegmentsImpl<sal_uInt16, sal_uInt32>
 {
 public:
@@ -416,6 +433,11 @@ SCROW ScFlatBoolRowSegments::findLastTrue() const
     return mpImpl->findLastTrue(false);
 }
 
+void ScFlatBoolRowSegments::makeReady()
+{
+    mpImpl->makeReady();
+}
+
 ScFlatBoolColSegments::ScFlatBoolColSegments(SCCOL nMaxCol) :
     mpImpl(new ScFlatBoolSegmentsImpl(nMaxCol))
 {
@@ -462,6 +484,11 @@ void ScFlatBoolColSegments::insertSegment(SCCOL nCol, SCCOL nSize)
     mpImpl->insertSegment(static_cast<SCCOLROW>(nCol), static_cast<SCCOLROW>(nSize), true/*bSkipStartBoundary*/);
 }
 
+void ScFlatBoolColSegments::makeReady()
+{
+    mpImpl->makeReady();
+}
+
 ScFlatUInt16RowSegments::ForwardIterator::ForwardIterator(ScFlatUInt16RowSegments& rSegs) :
     mrSegs(rSegs), mnCurPos(0), mnLastPos(-1), mnCurValue(0)
 {
@@ -554,4 +581,9 @@ void ScFlatUInt16RowSegments::setValueIf(SCROW nRow1, SCROW nRow2, sal_uInt16 nV
     mpImpl->setValueIf(static_cast<SCCOLROW>(nRow1), static_cast<SCCOLROW>(nRow2), nValue, rPredicate);
 }
 
+void ScFlatUInt16RowSegments::makeReady()
+{
+    mpImpl->makeReady();
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/core/data/table1.cxx b/sc/source/core/data/table1.cxx
index 16e6e5d594d5..b1d25358557b 100644
--- a/sc/source/core/data/table1.cxx
+++ b/sc/source/core/data/table1.cxx
@@ -2456,6 +2456,11 @@ bool ScTable::HandleRefArrayForParallelism( SCCOL nCol, SCROW nRow1, SCROW nRow2
     if ( !IsColValid( nCol ) || !ValidRow( nRow1 ) || !ValidRow( nRow2 ) )
         return false;
 
+    mpHiddenCols->makeReady();
+    mpHiddenRows->makeReady();
+    mpFilteredCols->makeReady();
+    mpFilteredRows->makeReady();
+
     return aCol[nCol].HandleRefArrayForParallelism(nRow1, nRow2, mxGroup);
 }