vendor/lldb/lldb-r201577

1 files changed, 10 insertions, 0 deletions

diff --git a/source/Plugins/Process/Utility/HistoryThread.h b/source/Plugins/Process/Utility/HistoryThread.h
index 01fdd1608706f..f9a431d8340b9 100644
--- a/source/Plugins/Process/Utility/HistoryThread.h
+++ b/source/Plugins/Process/Utility/HistoryThread.h
@@ -22,6 +22,16 @@
 
 namespace lldb_private {
 
+//----------------------------------------------------------------------
+/// @class HistoryThread HistoryThread.h "HistoryThread.h"
+/// @brief A thread object representing a backtrace from a previous point in the process execution
+///
+/// This subclass of Thread is used to provide a backtrace from earlier in
+/// process execution.  It is given a backtrace list of pc addresses and 
+/// optionally a stop_id of when those pc addresses were collected, and it will
+/// create stack frames for them.
+//----------------------------------------------------------------------
+
 class HistoryThread : public lldb_private::Thread
 {
 public: