hack backward-hpp into macos

Author: marty1885

trantor/unittests/HashUnittest.cc

@@ -8,7 +8,13 @@ using namespace trantor;
 using namespace trantor::utils;
 
 #ifdef __APPLE__
+#include "backward.hpp"
 #include <execinfo.h>
+
+namespace backward
+{
+backward::SignalHandling sh;
+}
 #endif
 
 TEST(Hash, MD5)
@@ -57,15 +63,6 @@ TEST(Hash, BLAKE2b)
 
 int main(int argc, char **argv)
 {
-#ifdef __APPLE__
-    signal(SIGILL, [](int) {
-        void *array[128];
-        size_t size;
-        size = backtrace(array, 128);
-        backtrace_symbols_fd(array, size, STDERR_FILENO);
-        exit(-1);
-    });
-#endif
     testing::InitGoogleTest(&argc, argv);
     return RUN_ALL_TESTS();
 }