diff options
-rw-r--r-- | lldb/include/lldb/Core/Debugger.h | 2 | ||||
-rw-r--r-- | lldb/source/Core/Debugger.cpp | 46 |
2 files changed, 36 insertions, 12 deletions
diff --git a/lldb/include/lldb/Core/Debugger.h b/lldb/include/lldb/Core/Debugger.h index 448e8d6..f36202e 100644 --- a/lldb/include/lldb/Core/Debugger.h +++ b/lldb/include/lldb/Core/Debugger.h @@ -752,6 +752,8 @@ protected: IOHandlerStack m_io_handler_stack; std::recursive_mutex m_io_handler_synchronous_mutex; + /// Mutex protecting the m_statusline member. + std::mutex m_statusline_mutex; std::optional<Statusline> m_statusline; llvm::StringMap<std::weak_ptr<LogHandler>> m_stream_handlers; diff --git a/lldb/source/Core/Debugger.cpp b/lldb/source/Core/Debugger.cpp index e65d71d..ce6fb6e 100644 --- a/lldb/source/Core/Debugger.cpp +++ b/lldb/source/Core/Debugger.cpp @@ -251,6 +251,7 @@ Status Debugger::SetPropertyValue(const ExecutionContext *exe_ctx, g_debugger_properties[ePropertyShowStatusline].name) { // Statusline setting changed. If we have a statusline instance, update it // now. Otherwise it will get created in the default event handler. + std::lock_guard<std::mutex> guard(m_statusline_mutex); if (StatuslineSupported()) m_statusline.emplace(*this); else @@ -391,8 +392,12 @@ bool Debugger::SetTerminalWidth(uint64_t term_width) { if (auto handler_sp = m_io_handler_stack.Top()) handler_sp->TerminalSizeChanged(); - if (m_statusline) - m_statusline->TerminalSizeChanged(); + + { + std::lock_guard<std::mutex> guard(m_statusline_mutex); + if (m_statusline) + m_statusline->TerminalSizeChanged(); + } return success; } @@ -409,8 +414,12 @@ bool Debugger::SetTerminalHeight(uint64_t term_height) { if (auto handler_sp = m_io_handler_stack.Top()) handler_sp->TerminalSizeChanged(); - if (m_statusline) - m_statusline->TerminalSizeChanged(); + + { + std::lock_guard<std::mutex> guard(m_statusline_mutex); + if (m_statusline) + m_statusline->TerminalSizeChanged(); + } return success; } @@ -1148,8 +1157,11 @@ void Debugger::SetErrorFile(FileSP file_sp) { } void Debugger::SaveInputTerminalState() { - if (m_statusline) - m_statusline->Disable(); + { + std::lock_guard<std::mutex> guard(m_statusline_mutex); + if (m_statusline) + m_statusline->Disable(); + } int fd = GetInputFile().GetDescriptor(); if (fd != File::kInvalidDescriptor) m_terminal_state.Save(fd, true); @@ -1157,11 +1169,15 @@ void Debugger::SaveInputTerminalState() { void Debugger::RestoreInputTerminalState() { m_terminal_state.Restore(); - if (m_statusline) - m_statusline->Enable(); + { + std::lock_guard<std::mutex> guard(m_statusline_mutex); + if (m_statusline) + m_statusline->Enable(); + } } void Debugger::RedrawStatusline(bool update) { + std::lock_guard<std::mutex> guard(m_statusline_mutex); if (m_statusline) m_statusline->Redraw(update); } @@ -2039,8 +2055,11 @@ lldb::thread_result_t Debugger::DefaultEventHandler() { // are now listening to all required events so no events get missed m_sync_broadcaster.BroadcastEvent(eBroadcastBitEventThreadIsListening); - if (!m_statusline && StatuslineSupported()) - m_statusline.emplace(*this); + if (StatuslineSupported()) { + std::lock_guard<std::mutex> guard(m_statusline_mutex); + if (!m_statusline) + m_statusline.emplace(*this); + } bool done = false; while (!done) { @@ -2101,8 +2120,11 @@ lldb::thread_result_t Debugger::DefaultEventHandler() { } } - if (m_statusline) - m_statusline.reset(); + { + std::lock_guard<std::mutex> guard(m_statusline_mutex); + if (m_statusline) + m_statusline.reset(); + } return {}; } |