Make sure to re-run cschedule if we decide to continue running a container

This fixes the issue where deadlines and releases were not being updated.

As of this commit, multiple real-time tasks can be created, run
simultaneously, be killed, and more tasks can be started and killed
on a multicore system - all without crashing or freezing.

1 files changed, 6 insertions, 2 deletions

diff --git a/litmus/sched_edfsc.c b/litmus/sched_edfsc.c
index 17a7d1f5bca0..9dd30eb60599 100644
--- a/litmus/sched_edfsc.c
+++ b/litmus/sched_edfsc.c
@@ -822,8 +822,12 @@ static struct task_struct *edfsc_gschedule(struct task_struct *prev)
                         entry->scheduled->rt_param.scheduled_on = NO_CPU;
                         TRACE_TASK(entry->scheduled, "scheduled_on = NO_CPU\n");
                 }
-        } else {
-                if (exists)
+        } else if (entry->scheduled) {
+                // If we've been running a container, make sure that it has nothing new to schedule
+                if (is_container(entry->scheduled))
+                        next = entry->scheduled;
+                // Otherwise we can keep running any tasks we previously scheduled
+                else if (is_realtime(prev))
                         next = prev;
         }