Merge pull request #4 from geoffret/ctrlPageDeadlines

Expose current deadline in control page

2 files changed, 6 insertions, 0 deletions

diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h
index 7b9a90965c25..ebbc93632c94 100644
--- a/include/litmus/rt_param.h
+++ b/include/litmus/rt_param.h
@@ -122,6 +122,7 @@ struct control_page {
                                      * started. */
 
         /* to be extended */
+        lt_t deadline; /* Deadline for the currently executing job */
 };
 
 /* Expected offsets within the control page. */
@@ -130,6 +131,7 @@ struct control_page {
 #define LITMUS_CP_OFFSET_IRQ_COUNT      8
 #define LITMUS_CP_OFFSET_TS_SC_START    16
 #define LITMUS_CP_OFFSET_IRQ_SC_START   24
+#define LITMUS_CP_OFFSET_DEADLINE       32
 
 /* don't export internal data structures to user space (liblitmus) */
 #ifdef __KERNEL__
diff --git a/litmus/jobs.c b/litmus/jobs.c
index 0dd36b9343d6..3f1cb0e2327e 100644
--- a/litmus/jobs.c
+++ b/litmus/jobs.c
@@ -17,6 +17,10 @@ static inline void setup_release(struct task_struct *t, lt_t release)
 
         /* update job sequence number */
         t->rt_param.job_params.job_no++;
+
+        /* add the deadline to */
+        if(has_control_page(t))
+                get_control_page(t)->deadline = t->rt_param.job_params.deadline;
 }
 
 void prepare_for_next_period(struct task_struct *t)