From 58f14b7107d73d02c3f68c0c35a39da4ee2bb2c4 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Sat, 1 Oct 2022 08:06:20 +0800
Subject: [PATCH] 1

---
 server/gameserver/tracemgr.cc | 23 +++++++++++++++++++++++
 server/gameserver/tracemgr.h  |  1 +
 2 files changed, 24 insertions(+)

diff --git a/server/gameserver/tracemgr.cc b/server/gameserver/tracemgr.cc
index b56b3fa0..60cc0a44 100644
--- a/server/gameserver/tracemgr.cc
+++ b/server/gameserver/tracemgr.cc
@@ -1,5 +1,7 @@
 #include "precompile.h"
 
+#include <execinfo.h>
+
 #include "tracemgr.h"
 
 #ifdef DEBUG
@@ -47,4 +49,25 @@ void TraceMgr::Trace(const std::string& hint)
 #endif
 }
 
+std::string TraceMgr::GetBackTrace()
+{
+    const int BT_BUF_SIZE = 1024 * 10;
+
+    std::string data;
+
+    void *buffer[BT_BUF_SIZE];
+    char **strings = nullptr;
+    int nptrs = backtrace(buffer, BT_BUF_SIZE);
+    strings = backtrace_symbols(buffer, nptrs);
+    if (strings) {
+        for (int i = 0; i < nptrs; i++) {
+            data += strings[i];
+            data += "\n";
+        }
+        free(strings);
+    }
+
+    return data;
+}
+
 #endif
diff --git a/server/gameserver/tracemgr.h b/server/gameserver/tracemgr.h
index 6698cba8..e0191e39 100644
--- a/server/gameserver/tracemgr.h
+++ b/server/gameserver/tracemgr.h
@@ -19,6 +19,7 @@ class TraceMgr : public a8::Singleton<TraceMgr>
     void UnInit();
 
     void Trace(const std::string& hint);
+    std::string GetBackTrace();
 
  private:
     std::string filename_;