--- a/src/os/win32/ngx_sendfile.c
+++ b/src/os/win32/ngx_sendfile.c
@@ -6,6 +6,7 @@
 #include <ngx_socket.h>
 #include <ngx_errno.h>
 #include <ngx_log.h>
+#include <ngx_connection.h>
 #include <ngx_sendv.h>
 #include <ngx_sendfile.h>
 
@@ -17,18 +18,51 @@
 
 #if (HAVE_WIN32_TRANSMITFILE)
 
-int ngx_sendfile(ngx_socket_t s,
+int ngx_sendfile(ngx_connection_t *c,
                  ngx_iovec_t *headers, int hdr_cnt,
                  ngx_fd_t fd, off_t offset, size_t nbytes,
                  ngx_iovec_t *trailers, int trl_cnt,
-                 off_t *sent,
-                 ngx_log_t *log)
+                 off_t *sent, u_int flags)
 {
     int                    tfrc, rc;
     ngx_err_t              tf_err, err;
     OVERLAPPED             olp;
     TRANSMIT_FILE_BUFFERS  tfb, *ptfb;
 
+#if 0
+    ev = c->write;
+
+    if (ev->timedout) {
+        ngx_set_socket_errno(NGX_ETIMEDOUT);
+        ngx_log_error(NGX_LOG_ERR, ev->log, 0, "TransmitFile() timed out");
+
+        return NGX_ERROR;
+    }
+
+    if (ev->ready) {
+        ev->ready = 0;
+
+#if (HAVE_IOCP_EVENT) /* iocp */
+
+        if (ngx_event_flags & NGX_HAVE_IOCP_EVENT) {
+            if (ev->ovlp.error) {
+                ngx_log_error(NGX_LOG_ERR, ev->log, 0, "TransmitFile() failed");
+                return NGX_ERROR;
+            }
+
+            return ev->available;
+            }
+        }
+
+#endif
+
+        /* TODO: WSAGetOverlappedResult stuff */
+
+    }
+
+#endif
+
+
     tf_err = 0;
     err = 0;
 
@@ -49,40 +83,54 @@ int ngx_sendfile(ngx_socket_t s,
         ptfb = NULL;
     }
 
-#if 1
-    tfrc = TransmitFile(s, fd, nbytes, 0, &olp, ptfb, 0);
-#else
-    tfrc = TransmitFile(s, fd, nbytes, 0, NULL, ptfb, 0);
+#if 0
+    flags = TF_DISCONNECT|TF_REUSE_SOCKET;
 #endif
 
-    if (tfrc == 0)
+    tfrc = TransmitFile(c->fd, fd, nbytes, 0, &olp, ptfb, flags);
+
+#if 0
+#if 1
+    tfrc = TransmitFile(c->fd, fd, nbytes, 0, &olp, ptfb, 0);
+#else
+    tfrc = TransmitFile(c->fd, fd, nbytes, 0, NULL, ptfb, 0);
+#endif
+#endif
+
+    if (tfrc == 0) {
         tf_err = ngx_socket_errno;
+        ngx_log_error(NGX_LOG_NOTICE, c->log, tf_err,
+                      "ngx_sendfile: TransmitFile failed");
+        if (tf_err == WSA_IO_PENDING) {
+            return NGX_AGAIN;
+        }
+    }
 
     /* set sent */
 #if 0
-    rc = WSAGetOverlappedResult(s, &olp, (unsigned long *) sent, 0, NULL);
+    rc = WSAGetOverlappedResult(c->fd, &olp, (unsigned long *) sent, 0, NULL);
 #else
     *sent = olp.InternalHigh;
     rc = 1;
 #endif
 
-    ngx_log_debug(log, "ngx_sendfile: %d, @%I64d %I64d:%d" _
+    ngx_log_debug(c->log, "TransmitFile: %d, @%I64d %I64d:%d" _
                   tfrc _ offset _ *sent _ nbytes);
 
     if (rc == 0) {
         err = ngx_socket_errno;
-        ngx_log_error(NGX_LOG_ERR, log, err,
+        ngx_log_error(NGX_LOG_ERR, c->log, err,
                      "ngx_sendfile: WSAGetOverlappedResult failed");
     }
 
     if (tfrc == 0) {
         if (tf_err != NGX_EAGAIN) {
-            ngx_log_error(NGX_LOG_ERR, log, tf_err,
+            ngx_log_error(NGX_LOG_ERR, c->log, tf_err,
                           "ngx_sendfile: TransmitFile failed");
             return NGX_ERROR;
         }
 
-        ngx_log_error(NGX_LOG_INFO, log, tf_err,
+        ngx_log_error(NGX_LOG_INFO, c->log, tf_err,
                       "ngx_sendfile: TransmitFile sent only %I64d bytes",
                       *sent);
     }