================
@@ -391,8 +392,13 @@ 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();
+
+ {
+ // This might get called from a signal handler.
+ std::unique_lock<std::mutex> lock(m_statusline_mutex, std::try_to_lock);
+ if (m_statusline)
----------------
bulbazord wrote:
I do recognize that this does protect other threads from touching
`m_statusline` some of the time, but it seems like this can't protect you from
every race?
https://github.com/llvm/llvm-project/pull/134759
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