haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove INTRUSIVE_LIST from CN_ITEM 

Intrusive lists made the connectivity search not thread-safe.  Using
iterators for item deletion provides the same order performance while
keeping the container thread-localized
This commit is contained in:
Seth Hillbrand 2020-07-27 09:33:01 -07:00
parent 55784afbfe
commit a5a56c46c3
2 changed files with 16 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
pcbnew/connectivity/connectivity_algo.cpp
View File

@ -310,13 +310,14 @@ const CN_CONNECTIVITY_ALGO::CLUSTERS CN_CONNECTIVITY_ALGO::SearchClusters( CLUST
bool withinAnyNet = ( aMode != CSM_PROPAGATE );
std::deque<CN_ITEM*> Q;
CN_ITEM* head = nullptr;
std::set<CN_ITEM*> item_set;
CLUSTERS clusters;
if( m_itemList.IsDirty() )
searchConnections();
auto addToSearchList = [&head, withinAnyNet, aSingleNet, aTypes] ( CN_ITEM *aItem )
auto addToSearchList = [&item_set, withinAnyNet, aSingleNet, aTypes] ( CN_ITEM *aItem )
{
if( withinAnyNet && aItem->Net() <= 0 )
return;
@ -341,27 +342,29 @@ const CN_CONNECTIVITY_ALGO::CLUSTERS CN_CONNECTIVITY_ALGO::SearchClusters( CLUST
if( !found )
return;
aItem->ListClear();
aItem->SetVisited( false );
if( !head )
head = aItem;
else
head->ListInsert( aItem );
item_set.insert( aItem );
};
std::for_each( m_itemList.begin(), m_itemList.end(), addToSearchList );
while( head )
while( !item_set.empty() )
{
CN_CLUSTER_PTR cluster ( new CN_CLUSTER() );
CN_ITEM* root;
auto it = item_set.begin();
Q.clear();
CN_ITEM* root = head;
while( it != item_set.end() && (*it)->Visited() )
it = item_set.erase( item_set.begin() );
if( it == item_set.end() )
break;
root = *it;
root->SetVisited ( true );
head = root->ListRemove();
Q.clear();
Q.push_back( root );
while( Q.size() )
@ -380,7 +383,6 @@ const CN_CONNECTIVITY_ALGO::CLUSTERS CN_CONNECTIVITY_ALGO::SearchClusters( CLUST
{
n->SetVisited( true );
Q.push_back( n );
head = n->ListRemove();
}
}
}

2
pcbnew/connectivity/connectivity_items.h
View File

@ -162,7 +162,7 @@ typedef std::vector<CN_ANCHOR_PTR> CN_ANCHORS;
// basic connectivity item
class CN_ITEM : public INTRUSIVE_LIST<CN_ITEM>
class CN_ITEM
{
public:
using CONNECTED_ITEMS = std::vector<CN_ITEM*>;