From: khizmax <libcds.dev@gmail.com>
Date: Sat, 16 May 2015 15:56:16 +0000 (+0300)
Subject: TSan exam: SplitList
X-Git-Tag: v2.1.0~237
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ace1de5aec2c976818ec70512cccdc225873d8c4;p=libcds.git

TSan exam: SplitList
---

diff --git a/cds/intrusive/split_list_rcu.h b/cds/intrusive/split_list_rcu.h
index 3ba40492..99c1c23b 100644
--- a/cds/intrusive/split_list_rcu.h
+++ b/cds/intrusive/split_list_rcu.h
@@ -519,7 +519,10 @@ namespace cds { namespace intrusive {
             dummy_node_type * pHead = get_bucket( nHash );
             assert( pHead != nullptr );
 
+            // TSan false positive: hash is read-only, will be ordered when we insert a node
+            CDS_TSAN_ANNOTATE_IGNORE_WRITES_BEGIN;
             node_traits::to_node_ptr( val )->m_nHash = split_list::regular_hash( nHash );
+            CDS_TSAN_ANNOTATE_IGNORE_WRITES_END;
 
             if ( m_List.insert_at( pHead, val )) {
                 inc_item_count();