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-rw-r--r--src/base/types.hh6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/base/types.hh b/src/base/types.hh
index 6d8d3095c..1a6db9fbb 100644
--- a/src/base/types.hh
+++ b/src/base/types.hh
@@ -68,4 +68,10 @@ typedef uint64_t Addr;
const Addr MaxAddr = (Addr)-1;
+/**
+ * Thread index/ID type
+ */
+typedef int16_t ThreadID;
+const ThreadID InvalidThreadID = (ThreadID)-1;
+
#endif // __BASE_TYPES_HH__