From 636179ac53f19f8007eafe949673e982d4d762e2 Mon Sep 17 00:00:00 2001
From: moneroexamples <moneroexamples@tuta.io>
Date: Tue, 28 May 2019 07:57:48 +0800
Subject: [PATCH] add mutex to get_randomx_code

---
 src/page.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/page.h b/src/page.h
index 89b7c0f..614c2d7 100644
--- a/src/page.h
+++ b/src/page.h
@@ -7134,10 +7134,14 @@ get_randomx_code(uint64_t blk_height,
                  block const& blk,
                  crypto::hash const& blk_hash)
 {
+    static std::mutex mtx;
+
     vector<std::pair<string, string>> rx_code;
 
     blobdata bd = get_block_hashing_blob(blk);
 
+    std::lock_guard<std::mutex> lk {mtx};
+
     if (!rx_vm)
     {
         // this will create rx_vm instance if one