diff options
| -rw-r--r-- | lib/VMCore/Attributes.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/VMCore/Attributes.cpp b/lib/VMCore/Attributes.cpp index 5d763c34fe..91c7320a70 100644 --- a/lib/VMCore/Attributes.cpp +++ b/lib/VMCore/Attributes.cpp @@ -15,6 +15,7 @@ #include "llvm/Type.h" #include "llvm/ADT/StringExtras.h" #include "llvm/ADT/FoldingSet.h" +#include "llvm/System/Mutex.h" #include "llvm/Support/Streams.h" #include "llvm/Support/ManagedStatic.h" using namespace llvm; @@ -124,9 +125,11 @@ public: }; } +static ManagedStatic<sys::SmartMutex<true> > ALMutex; static ManagedStatic<FoldingSet<AttributeListImpl> > AttributesLists; AttributeListImpl::~AttributeListImpl() { + sys::SmartScopedLock<true> Lock(*ALMutex); AttributesLists->RemoveNode(this); } @@ -149,6 +152,9 @@ AttrListPtr AttrListPtr::get(const AttributeWithIndex *Attrs, unsigned NumAttrs) FoldingSetNodeID ID; AttributeListImpl::Profile(ID, Attrs, NumAttrs); void *InsertPos; + + sys::SmartScopedLock<true> Lock(*ALMutex); + AttributeListImpl *PAL = AttributesLists->FindNodeOrInsertPos(ID, InsertPos); |