code instrumented

src/src/SocketFunctions.cpp

@@ -15,11 +15,13 @@
 #include <fcntl.h>
 #endif
 
+#include <iostream>
+
 namespace MinimalSocket {
 namespace {
 #ifdef _WIN32
 #define REBIND_OPTION SO_REUSEADDR
-#else
+#elif defined(__unix__) || defined(__APPLE__)
 #define REBIND_OPTION SO_REUSEPORT
 #endif
 } // namespace
@@ -148,31 +150,40 @@ void turnToNonBlocking(SocketID socket_id) {
 #elif defined(__unix__) || defined(__APPLE__)
   // https://jameshfisher.com/2017/04/05/set_socket_nonblocking/
   int flags = ::fcntl(socket_id, F_GETFL);
+  std::cout << "=====> 0" << std::endl;
   if (::fcntl(socket_id, F_SETFL, flags | O_NONBLOCK) == -1) {
+    std::cout << "=====> 1" << std::endl;
     throw Error{"Unable to set up the non blocking mode"};
   }
 #endif
+  std::cout << "=====> 2" << std::endl;
 }
 
 int isTimeoutErrorCode(int code) {
   return
 #ifdef _WIN32
       code == WSAETIMEDOUT || code == WSAEWOULDBLOCK;
-#else
+#elif defined(__unix__)
       code == EAGAIN || code == EWOULDBLOCK;
+#elif defined(__APPLE__)
+      code == EAGAIN;
 #endif
 }
 
 bool checkResult(int value, int errorValue, const std::string &error_msg,
                  bool canBeTimedOut) {
   if (value != errorValue) {
+    std::cout << "=====> 3" << std::endl;
     return false;
   }
+  std::cout << "=====> 4" << std::endl;
   SocketError maybe_error(error_msg);
   if (canBeTimedOut && isTimeoutErrorCode(maybe_error.getErrorCode())) {
+    std::cout << "=====> 5" << std::endl;
     // just out of time: tolerable
     return true;
   }
+  std::cout << "=====> 6" << std::endl;
   throw maybe_error;
 }
 } // namespace MinimalSocket