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-rw-r--r--lldb/source/Plugins/Process/Utility/HistoryThread.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lldb/source/Plugins/Process/Utility/HistoryThread.cpp b/lldb/source/Plugins/Process/Utility/HistoryThread.cpp
index 0f7abc87ece..20a10106c2a 100644
--- a/lldb/source/Plugins/Process/Utility/HistoryThread.cpp
+++ b/lldb/source/Plugins/Process/Utility/HistoryThread.cpp
@@ -75,7 +75,8 @@ lldb::StackFrameListSP
HistoryThread::GetStackFrameList ()
{
// FIXME do not throw away the lock after we acquire it..
- std::lock_guard<std::mutex> lock(m_framelist_mutex);
+ std::unique_lock<std::mutex> lock(m_framelist_mutex);
+ lock.release();
if (m_framelist.get() == NULL)
{
m_framelist.reset (new StackFrameList (*this, StackFrameListSP(), true));
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