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Thread safety for new caches (which are also used during zone fill). 

Fixes https://gitlab.com/kicad/code/kicad/issues/7749
This commit is contained in:
Jeff Young 2021-02-27 21:33:05 +00:00
parent 790e97a398
commit 3538c8a963
2 changed files with 18 additions and 6 deletions
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10
pcbnew/board.h
View File

@ -271,8 +271,13 @@ public:
void IncrementTimeStamp()
{
m_timeStamp++;
m_InsideAreaCache.clear();
m_InsideCourtyardCache.clear();
{
std::unique_lock<std::mutex> cacheLock( m_CachesMutex );
m_InsideAreaCache.clear();
m_InsideCourtyardCache.clear();
}
m_CopperZoneRTrees.clear();
}
@ -1142,6 +1147,7 @@ public:
public:
// ------------ Run-time caches -------------
std::mutex m_CachesMutex;
std::map< std::pair<BOARD_ITEM*, BOARD_ITEM*>, bool > m_InsideCourtyardCache;
std::map< std::pair<BOARD_ITEM*, BOARD_ITEM*>, bool > m_InsideAreaCache;

14
pcbnew/pcb_expr_evaluator.cpp
View File

@ -200,8 +200,9 @@ static void insideCourtyard( LIBEVAL::CONTEXT* aCtx, void* self )
if( !footprint )
return false;
std::unique_lock<std::mutex> cacheLock( board->m_CachesMutex );
std::pair<BOARD_ITEM*, BOARD_ITEM*> key( footprint, item );
auto i = board->m_InsideCourtyardCache.find( key );
auto i = board->m_InsideCourtyardCache.find( key );
if( i != board->m_InsideCourtyardCache.end() )
return i->second;
@ -347,7 +348,11 @@ static void insideArea( LIBEVAL::CONTEXT* aCtx, void* self )
if( item->Type() == PCB_ZONE_T || item->Type() == PCB_FP_ZONE_T )
{
ZONE* itemZone = static_cast<ZONE*>( item );
ZONE* itemZone = static_cast<ZONE*>( item );
if( !itemZone->IsFilled() )
return false;
DRC_RTREE* itemRTree = board->m_CopperZoneRTrees[ itemZone ].get();
for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
@ -376,15 +381,16 @@ static void insideArea( LIBEVAL::CONTEXT* aCtx, void* self )
if( !zone || zone == item || zone->GetParent() == item )
return false;
std::unique_lock<std::mutex> cacheLock( board->m_CachesMutex );
std::pair<BOARD_ITEM*, BOARD_ITEM*> key( zone, item );
auto i = board->m_InsideAreaCache.find( key );
auto i = board->m_InsideAreaCache.find( key );
if( i != board->m_InsideAreaCache.end() )
return i->second;
bool result = realInsideZone( zone );
board->m_InsideCourtyardCache[ key ] = result;
board->m_InsideAreaCache[ key ] = result;
return result;
};