From cf035e8abbf50efc9ea64c8bf4cdcb7133255a08 Mon Sep 17 00:00:00 2001
From: Adrian Prantl <aprantl@apple.com>
Date: Sun, 27 Apr 2025 14:32:13 -0700
Subject: [PATCH] [lldb] Add missing include

---
 lldb/tools/debugserver/source/MacOSX/MachThread.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lldb/tools/debugserver/source/MacOSX/MachThread.h b/lldb/tools/debugserver/source/MacOSX/MachThread.h
index 1086b7c986f1..69567425542f 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachThread.h
+++ b/lldb/tools/debugserver/source/MacOSX/MachThread.h
@@ -13,6 +13,7 @@
 #ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_MACHTHREAD_H
 #define LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_MACHTHREAD_H
 
+#include <mutex>
 #include <string>
 #include <vector>