From: suter <frederic.suter@cc.in2p3.fr>
Date: Thu, 6 Jun 2013 20:31:42 +0000 (+0200)
Subject: allow tasks to take no output nor produce any output
X-Git-Tag: v3_9_90~316
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/777ab1d984a7f99783e0a9dd18b4f52358900ee8

allow tasks to take no output nor produce any output
---

diff --git a/src/simdag/sd_daxloader.c b/src/simdag/sd_daxloader.c
index 29803e9f75..1ef9172bc2 100644
--- a/src/simdag/sd_daxloader.c
+++ b/src/simdag/sd_daxloader.c
@@ -361,6 +361,16 @@ xbt_dynar_t SD_daxload(const char *filename)
   xbt_dynar_foreach(result, cpt, file) {
     if (SD_task_get_kind(file) == SD_TASK_COMM_E2E) {
       uniq_transfer_task_name(file);
+    } else if (SD_task_get_kind(file) == SD_TASK_COMP_SEQ){
+      /* If some tasks do not take files as input, connect them to the root, if
+       * they don't produce files, connect them to the end node.
+       */
+      if ((file != root_task) && xbt_dynar_is_empty(file->tasks_before)) {
+        SD_task_dependency_add(NULL, NULL, root_task, file);
+      }
+      if ((file != end_task) && xbt_dynar_is_empty(file->tasks_after)) {
+        SD_task_dependency_add(NULL, NULL, file, end_task);
+      }
     }
   }