Initial code on crashes and exceptions logging. Related to T31.

memgraph.cpp

@@ -12,8 +12,41 @@
 #include "threading/pool.hpp"
 #include "threading/task.hpp"
 
+#include <execinfo.h>
+
+// TODO: move to separate header or source file
+// TODO: log to local file or remote database
+void stacktrace() noexcept
+{
+    void *array[50];
+    int size = backtrace(array, 50);    
+    std::cout << __FUNCTION__ << " backtrace returned " << size << " frames\n\n";
+    char **messages = backtrace_symbols(array, size);
+    for (int i = 0; i < size && messages != NULL; ++i) {
+        std::cout << "[bt]: (" << i << ") " << messages[i] << std::endl;
+    }
+    std::cout << std::endl;
+    free(messages);
+}
+
+// TODO: log to local file or remote database
+void on_terminate() noexcept
+{
+    if (auto exc = std::current_exception()) { 
+        try {
+            std::rethrow_exception(exc);
+        } catch (std::exception &ex) {
+            std::cout << ex.what() << std::endl << std::endl;
+            stacktrace();
+        }
+    }
+    std::_Exit(EXIT_FAILURE);
+}
+
 int main()
 {
+    std::set_terminate(&on_terminate);
+
     ioc::Container container;
 
     container.singleton<Db>();