1 files changed, 43 insertions, 0 deletions

diff --git a/litmus/jobs.c b/litmus/jobs.c
new file mode 100644
index 000000000000..36e314625d86
--- /dev/null
+++ b/litmus/jobs.c
@@ -0,0 +1,43 @@
+/* litmus/jobs.c - common job control code
+ */
+
+#include <linux/sched.h>
+
+#include <litmus/litmus.h>
+#include <litmus/jobs.h>
+
+void prepare_for_next_period(struct task_struct *t)
+{
+        BUG_ON(!t);
+        /* prepare next release */
+        t->rt_param.job_params.release   = t->rt_param.job_params.deadline;
+        t->rt_param.job_params.deadline += get_rt_period(t);
+        t->rt_param.job_params.exec_time = 0;
+        /* update job sequence number */
+        t->rt_param.job_params.job_no++;
+
+        /* don't confuse Linux */
+        t->rt.time_slice = 1;
+}
+
+void release_at(struct task_struct *t, lt_t start)
+{
+        t->rt_param.job_params.deadline = start;
+        prepare_for_next_period(t);
+        set_rt_flags(t, RT_F_RUNNING);
+}
+
+
+/*
+ *      Deactivate current task until the beginning of the next period.
+ */
+long complete_job(void)
+{
+        /* Mark that we do not excute anymore */
+        set_rt_flags(current, RT_F_SLEEP);
+        /* call schedule, this will return when a new job arrives
+         * it also takes care of preparing for the next release
+         */
+        schedule();
+        return 0;
+}