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author | Owen Anderson <resistor@mac.com> | 2009-08-17 17:10:58 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2009-08-17 17:10:58 +0000 |
commit | 596c1dc3e228795562975396bcd9672840aa3c82 (patch) | |
tree | 692701e04592b28b54357e9135e770bd66d1e167 /lib/VMCore | |
parent | 6ae8c73acad76fdf9660ca88b5c07722eaf0a8e8 (diff) | |
download | llvm-596c1dc3e228795562975396bcd9672840aa3c82.tar.gz llvm-596c1dc3e228795562975396bcd9672840aa3c82.tar.bz2 llvm-596c1dc3e228795562975396bcd9672840aa3c82.tar.xz |
Add locking around the attributes list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79255 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore')
-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); |