more mingw quirks

ixwebsocket/IXNetSystem.h

@@ -27,6 +27,8 @@ struct pollfd {
 #define POLLIN      0x001       /* There is data to read.  */
 #define POLLOUT     0x004       /* Writing now will not block.  */
 #define POLLERR     0x008       /* Error condition.  */
+#define POLLHUP     0x010       /* Hung up.  */
+#define POLLNVAL    0x020       /* Invalid polling request.  */
 #endif
 
 #else

ixwebsocket/IXSetThreadName.cpp

@@ -43,12 +43,16 @@ namespace ix
         info.dwThreadID = dwThreadID;
         info.dwFlags = 0;
 
+#ifndef __GNUC__
         __try
         {
+#endif
             RaiseException(
                 MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*) &info);
         }
+#ifndef __GNUC__
         __except (EXCEPTION_EXECUTE_HANDLER)
+#endif
         {
         }
     }