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-rwxr-xr-xBaseTools/Source/Python/Common/GlobalData.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/BaseTools/Source/Python/Common/GlobalData.py b/BaseTools/Source/Python/Common/GlobalData.py
index 9ea835314a..61327ad8f1 100755
--- a/BaseTools/Source/Python/Common/GlobalData.py
+++ b/BaseTools/Source/Python/Common/GlobalData.py
@@ -122,6 +122,8 @@ gBuildHashSkipTracking = dict()
# Common dictionary to share module cache intermediate result and state
gCacheIR = None
+# Common lock for the module cache intermediate data
+cache_lock = None
# Common lock for the file access in multiple process AutoGens
file_lock = None
# Common dictionary to share platform libraries' constant Pcd