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-rw-r--r--libbuild2/algorithm.cxx4
1 files changed, 4 insertions, 0 deletions
diff --git a/libbuild2/algorithm.cxx b/libbuild2/algorithm.cxx
index 7a616a5..511850d 100644
--- a/libbuild2/algorithm.cxx
+++ b/libbuild2/algorithm.cxx
@@ -142,6 +142,10 @@ namespace build2
// target_lock
//
+ // Note that the stack may contain locks for targets from multiple nested
+ // contexts. This should be harmless (deadlock detection-wise) since
+ // contexts are assumed non-overlapping.
+ //
static
#ifdef __cpp_thread_local
thread_local