Change Mac platform impl to inherit from Unix base

Source/Engine/Platform/Unix/UnixConditionVariable.h

@@ -17,8 +17,6 @@ private:
 
     pthread_cond_t _cond;
 
-private:
-
     UnixConditionVariable(const UnixConditionVariable&);
     UnixConditionVariable& operator=(const UnixConditionVariable&);
 
@@ -61,13 +59,11 @@ public:
     {
         struct timeval tv;
         struct timespec ts;
-
         gettimeofday(&tv, NULL);
         ts.tv_sec = time(NULL) + timeout / 1000;
         ts.tv_nsec = tv.tv_usec * 1000 + 1000 * 1000 * (timeout % 1000);
         ts.tv_sec += ts.tv_nsec / (1000 * 1000 * 1000);
         ts.tv_nsec %= (1000 * 1000 * 1000);
-
         return pthread_cond_timedwait(&_cond, lock._mutexPtr, &ts) == 0;
     }
 

Source/Engine/Platform/Unix/UnixCriticalSection.h

@@ -15,7 +15,6 @@ class UnixConditionVariable;
 class FLAXENGINE_API UnixCriticalSection
 {
     friend UnixConditionVariable;
-
 private:
 
     pthread_mutex_t _mutex;
@@ -24,8 +23,6 @@ private:
     pthread_t _owningThreadId;
 #endif
 
-private:
-
     UnixCriticalSection(const UnixCriticalSection&);
     UnixCriticalSection& operator=(const UnixCriticalSection&);
 

Source/Engine/Platform/Unix/UnixNetwork.cpp

@@ -56,7 +56,9 @@ static void TranslateSockOptToNative(NetworkSocketOption option, int32* level, i
     SOCKOPT(NetworkSocketOption::NoDelay, IPPROTO_TCP, TCP_NODELAY)
 #endif
     SOCKOPT(NetworkSocketOption::IPv6Only, IPPROTO_IPV6, IPV6_V6ONLY)
+#ifdef IP_MTU
     SOCKOPT(NetworkSocketOption::Mtu, IPPROTO_IP, IP_MTU)
+#endif
     SOCKOPT(NetworkSocketOption::Type, SOL_SOCKET, SO_TYPE)
 #undef SOCKOPT
     default: