do not busy loop while sending

README.md

@@ -11,6 +11,7 @@ communication channels over a single TCP connection. *IXWebSocket* is a C++ libr
 * iOS
 * Linux
 * Android 
+* Windows (no TLS support yet)
 
 ## Examples
 

ixwebsocket/IXEventFd.cpp

@@ -31,11 +31,6 @@
 
 namespace ix
 {
-    // File descriptor at index 0 in _fildes is the read end of the pipe
-    // File descriptor at index 1 in _fildes is the write end of the pipe
-    const int EventFd::kPipeReadIndex = 0;
-    const int EventFd::kPipeWriteIndex = 1;
-
     EventFd::EventFd()
     {
 #ifdef __linux__
@@ -43,12 +38,12 @@ namespace ix
         _eventfd = eventfd(0, 0);
         fcntl(_eventfd, F_SETFL, O_NONBLOCK);
 #else
-        _fildes[kPipeReadIndex] = -1;
+        _fildes[0] = -1;
-        _fildes[kPipeWriteIndex] = -1;
+        _fildes[1] = -1;
 
         pipe(_fildes);
-        fcntl(_fildes[kPipeReadIndex], F_SETFL, O_NONBLOCK);
+        fcntl(_fildes[0], F_SETFL, O_NONBLOCK);
-        fcntl(_fildes[kPipeWriteIndex], F_SETFL, O_NONBLOCK);
+        fcntl(_fildes[1], F_SETFL, O_NONBLOCK);
 #endif
     }
 
@@ -57,10 +52,10 @@ namespace ix
 #ifdef __linux__
         ::close(_eventfd);
 #else
-        ::close(_fildes[kPipeReadIndex]);
+        ::close(_fildes[0]);
-        ::close(_fildes[kPipeWriteIndex]);
+        ::close(_fildes[1]);
-        _fildes[kPipeReadIndex] = -1;
+        _fildes[0] = -1;
-        _fildes[kPipeWriteIndex] = -1;
+        _fildes[1] = -1;
 #endif
     }
 
@@ -71,7 +66,8 @@ namespace ix
 #if defined(__linux__)
         fd = _eventfd;
 #else
-        fd = _fildes[kPipeWriteIndex];
+        // File descriptor at index 1 in _fildes is the write end of the pipe
+        fd = _fildes[1];
 #endif
 
         if (fd == -1) return false;
@@ -88,7 +84,7 @@ namespace ix
 #if defined(__linux__)
         fd = _eventfd;
 #else
-        fd = _fildes[kPipeReadIndex];
+        fd = _fildes[0];
 #endif
         uint64_t value = 0;
         ::read(fd, &value, sizeof(value));
@@ -115,7 +111,7 @@ namespace ix
 #if defined(__linux__)
         return _eventfd;
 #else
-        return _fildes[kPipeReadIndex];
+        return _fildes[0];
 #endif
     }
 }

ixwebsocket/IXEventFd.h

@@ -29,9 +29,5 @@ namespace ix
         // blocked on select.
         int _fildes[2];
 #endif
-
-        // Used to identify the read/write idx
-        static const int kPipeReadIndex;
-        static const int kPipeWriteIndex;
     };
 }

ixwebsocket/IXSocket.cpp

@@ -23,8 +23,8 @@ namespace ix
 {
     const int Socket::kDefaultPollNoTimeout = -1; // No poll timeout by default
     const int Socket::kDefaultPollTimeout = kDefaultPollNoTimeout;
-    const uint64_t Socket::kSendRequest = 1;
+    const uint8_t Socket::kSendRequest = 1;
-    const uint64_t Socket::kCloseRequest = 2;
+    const uint8_t Socket::kCloseRequest = 2;
     constexpr size_t Socket::kChunkSize;
 
     Socket::Socket(int fd) :
@@ -86,7 +86,7 @@ namespace ix
         }
         else if (eventfd != -1 && FD_ISSET(eventfd, &rfds))
         {
-            uint64_t value = _eventfd.read();
+            uint8_t value = _eventfd.read();
 
             if (value == kSendRequest)
             {

ixwebsocket/IXSocket.h

@@ -76,8 +76,8 @@ namespace ix
         static void cleanup(); // Required on Windows to cleanup WinSocket
 
         // Used as special codes for pipe communication
-        static const uint64_t kSendRequest;
+        static const uint8_t kSendRequest;
-        static const uint64_t kCloseRequest;
+        static const uint8_t kCloseRequest;
 
     protected:
         void closeSocket(int fd);

ixwebsocket/IXWebSocketTransport.cpp

@@ -766,7 +766,6 @@ namespace ix
         _socket->close();
 
         _closeCode = 1000;
-        _closeReason = "Normal Closure";
         setReadyState(CLOSED);
     }