Document that ThreadCachedInt is derived from folly

Signed-off-by: Ian Thomas <[email protected]>
man-group · Apr 18, 2024 · ad1fc80 · ad1fc80
1 parent f1c48ea
commit ad1fc80
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/cpp/arcticdb/util/thread_cached_int.hpp b/cpp/arcticdb/util/thread_cached_int.hpp
@@ -12,6 +12,12 @@
 
 namespace arcticdb {
 
+    /*
+     * ThreadCachedInt is a simpler version of
+     * https://github.com/facebook/folly/blob/main/folly/ThreadCachedInt.h
+     * containing only the subset of functionality required here and using
+     * boost::thread_specific_ptr instead of folly's ThreadLocalPtr.
+     */
     template <class IntT>
     class ThreadCachedInt {
     public: