X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=file_writer.c;fp=file_writer.c;h=1ea9503297eb8c8755b56293bfc5aa8b5ade1994;hp=4a2e04810fcc9355882c8e0fffd7ef2478a2b820;hb=b680e18c069fef1a03b83a5f906c994e1ab063a1;hpb=9337bed6e84a4068e750fb6597646b45778eeba7

diff --git a/file_writer.c b/file_writer.c
index 4a2e0481..1ea95032 100644
--- a/file_writer.c
+++ b/file_writer.c
@@ -87,19 +87,21 @@ static int file_writer_post_select(struct sched *s, struct writer_node *wn)
 {
 	struct private_file_writer_data *pfwd = wn->private_data;
 	struct writer_node_group *wng = wn->wng;
-	int ret = 0;
+	int ret;
 
 	if (!pfwd->check_fd)
-		return 0;
-	if (!*wng->loaded)
-		return 0;
+		return 1;
+	if (*wng->loaded <= wn->written)
+		return 1;
 	if (!FD_ISSET(pfwd->fd, &s->wfds))
-		return 0;
+		return 1;
 //	PARA_INFO_LOG("writing %zd\n", *wng->loaded);
-	ret = write(pfwd->fd, wng->buf, *wng->loaded);
+	ret = write(pfwd->fd, wng->buf + wn->written,
+		*wng->loaded - wn->written);
 	if (ret < 0)
-		ret = -E_FW_WRITE;
-	return ret;
+		return -E_FW_WRITE;
+	wn->written += ret;
+	return 1;
 }
 
 static void file_writer_close(struct writer_node *wn)