mingw崩溃日志分析。

dumpDemo/main.cpp

@@ -0,0 +1,75 @@
+#include <chrono>
+#include <ctime>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <thread>
+
+#include "crashdump.h"
+
+long __stdcall DumpCall(EXCEPTION_POINTERS* excp)
+{
+    // 1. 生成带时间戳的文件名
+    auto now = std::chrono::system_clock::now();
+    auto now_time_t = std::chrono::system_clock::to_time_t(now);
+    auto now_ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000;
+
+    std::ostringstream oss;
+    oss << std::put_time(std::localtime(&now_time_t), "%Y%m%d_%H%M%S") << "_" << std::setfill('0') << std::setw(3)
+        << now_ms.count() << "_crash.log";
+
+    std::string filename = oss.str();
+
+    // 2. 获取崩溃信息
+    CrashDump dump(excp);
+    std::string crashInfo = dump.GetExceptionInfo();
+
+    // 3. 写入文件 (C++11 风格)
+    try {
+        std::ofstream outfile(filename, std::ios::out | std::ios::trunc);
+        if (outfile) {
+            outfile << "=== Crash Dump ===\n\n";
+            outfile << "Timestamp: " << std::put_time(std::localtime(&now_time_t), "%Y-%m-%d %H:%M:%S") << "."
+                    << std::setfill('0') << std::setw(3) << now_ms.count() << "\n";
+            outfile << crashInfo;
+            outfile << "\n=== End of Dump ===";
+
+            // 确保数据写入磁盘
+            outfile.flush();
+            if (outfile.good()) {
+                return EXCEPTION_EXECUTE_HANDLER;
+            }
+        }
+    } catch (...) {
+        // 文件写入失败的备用方案
+        OutputDebugStringA(("Failed to write crash dump to " + filename).c_str());
+    }
+
+    return EXCEPTION_EXECUTE_HANDLER;
+}
+
+void tasks()
+{
+    int c = 5;
+    while (--c > 0) {
+        std::this_thread::sleep_for(std::chrono::seconds(1));
+    }
+    int* p = nullptr;
+    *p = 11;
+    std::cout << "over..." << std::endl;
+}
+
+int main()
+{
+    SetUnhandledExceptionFilter(DumpCall);
+
+    std::cout << "Hello World!" << std::endl;
+
+    std::thread thread(tasks);
+    thread.join();
+
+    std::cout << "End." << std::endl;
+
+    return 0;
+}