Implemented and tested non-blocking read on Windows.

git-svn-id: https://svn.microneil.com/svn/CodeDweller/branches/adeniz_1@56 d34b734f-a00e-4b39-a726-e4eeb87269ab

child.cpp

@@ -499,6 +499,23 @@ namespace CodeDweller {
 
     size_t nBytesAvailable =  egptr() - gptr();
 
+#ifdef _WIN32
+    DWORD lpTotalBytesAvail;
+
+    if (!PeekNamedPipe(inputHandle,
+		       NULL,
+		       0,
+		       NULL,
+		       &lpTotalBytesAvail,
+		       NULL)) {
+      throw std::runtime_error("Error from PeekNamedPipe:  " +
+			       getErrorText());
+    }
+
+    if (lpTotalBytesAvail > 0) {
+      nBytesAvailable++;
+    }
+#else
     fd_set readFd;
     int retVal;
     struct timeval timeout = {0, 0};
@@ -514,6 +531,7 @@ namespace CodeDweller {
     } else if (retVal > 0) {
 	nBytesAvailable++;
     }
+#endif
 
     return nBytesAvailable;