From 9257066c4e52c156cb88de78f0a94006baf877ad Mon Sep 17 00:00:00 2001
From: Justin Newberry <justin@comma.ai>
Date: Mon, 6 Nov 2023 19:36:48 -0500
Subject: [PATCH] Mapsd: disable threading on PC too (#30396)

single threaded rendering
---
 system/hardware/pc/hardware.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/system/hardware/pc/hardware.h b/system/hardware/pc/hardware.h
index 63244c5c5d..7a7ddd60b7 100644
--- a/system/hardware/pc/hardware.h
+++ b/system/hardware/pc/hardware.h
@@ -24,5 +24,6 @@ public:
   static void config_cpu_rendering() {
     setenv("QT_QPA_PLATFORM", "offscreen", 1);
     setenv("__GLX_VENDOR_LIBRARY_NAME", "mesa", 1);
+    setenv("LP_NUM_THREADS", "0", 1); // disable threading so we stay on our assigned CPU
   }
 };