Changed writev to sendmsg to prevent SIGPIPE errors

src/tcpoutbuffer.h

@@ -224,19 +224,28 @@ class TcpOutBuffer
  // update counter for next iteration
  if (++index >= 64) break;
  }
-
+
+ // create the message header
+ struct msghdr header;
+
+ // make sure the members of the header are empty
+ memset(&header, 0, sizeof(header));
+
+ // save the buffers in the message header
+ header.msg_iov = buffer;
+ header.msg_iovlen = index;
+
  // send the data
- // @todo use sendmsg() with a MSG_NOSIG flag
- auto result = writev(socket, (const struct iovec *)&buffer, index);
+ auto result = sendmsg(socket, &header, MSG_NOSIGNAL);
 
  // skip on error, or when nothing was written
  if (result <= 0) return total > 0 ? total : result;
- 
+
  // shrink the buffer
  shrink(result);
- 
+
  // update total number of bytes written
- total += 0;
+ total += result;
  }
 
  // done