bug fix: If the last released dependency is a control dependency, let

[simgrid.git] / src / simdag / sd_global.c

diff --git a/src/simdag/sd_global.c b/src/simdag/sd_global.c
index 95901fa..915cb50 100644 (file)
--- a/src/simdag/sd_global.c
+++ b/src/simdag/sd_global.c
@@ -290,6 +290,10 @@ xbt_swag_t SD_simulate_swag(double how_long) {
           if (dst->is_not_ready > 0)
             dst->is_not_ready--;
 
+          XBT_DEBUG("Released a dependency on %s: %d remain(s). Became schedulable if %d=0",
+             SD_task_get_name(dst), dst->unsatisfied_dependencies,
+             dst->is_not_ready);
+
           if (!(dst->unsatisfied_dependencies)) {
             if (__SD_task_is_scheduled(dst))
               __SD_task_set_state(dst, SD_RUNNABLE);
@@ -297,6 +301,10 @@ xbt_swag_t SD_simulate_swag(double how_long) {
               __SD_task_set_state(dst, SD_SCHEDULABLE);
           }
 
+          if (__SD_task_is_not_scheduled(dst) && !(dst->is_not_ready)) {
+            __SD_task_set_state(dst, SD_SCHEDULABLE);
+          }
+
           if (SD_task_get_kind(dst) == SD_TASK_COMM_E2E) {
             SD_dependency_t comm_dep;
             SD_task_t comm_dst;
@@ -306,6 +314,10 @@ xbt_swag_t SD_simulate_swag(double how_long) {
                 comm_dst->is_not_ready > 0) {
               comm_dst->is_not_ready--;
 
+            XBT_DEBUG("%s is a transfer, %s may be ready now if %d=0",
+               SD_task_get_name(dst), SD_task_get_name(comm_dst),
+               comm_dst->is_not_ready);
+
               if (!(comm_dst->is_not_ready)) {
                 __SD_task_set_state(comm_dst, SD_SCHEDULABLE);
               }