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--- c:c_threads:troubleshooting:program_crashes:not_handling_exceptions_in_background_threads [2021/06/09 11:16] – created peter
+++ c:c_threads:troubleshooting:program_crashes:not_handling_exceptions_in_background_threads [2021/06/09 11:17] (current) – peter
@@ Line 60: / Line 60: @@
 <code cpp>
+#include<iostream>
+#include<thread>
+#include<exception>
+#include<stdexcept>
+static std::exception_ptr globalExceptionPtr = nullptr;
+void HelloWorld()
+{
+  try
+  {
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    throw std::runtime_error("Catch me in MAIN");
+  }
+  catch (...)
+  {
+    // Set the global exception pointer in case of an exception.
+    globalExceptionPtr = std::current_exception();
+  }
+}
+int main()
+{
+  std::thread t1(HelloWorld);
+  t1.join();
+  if (globalExceptionPtr)
+  {
+    try
+    {
+      std::rethrow_exception(globalExceptionPtr);
+    }
+    catch (const std::exception &ex)
+    {
+      std::cout << "Thread exited with exception: " << ex.what() << "\n";
+    }
+  }
+  return 0;
+}
 </code>