rt domain: add support for release master

A release master is a CPU that takes all timer interrupts for
release of a given rt_domain_t. By default off.

1 files changed, 3 insertions, 0 deletions

diff --git a/include/litmus/rt_domain.h b/include/litmus/rt_domain.h
index 9e1e286eba..ea9de020cc 100644
--- a/include/litmus/rt_domain.h
+++ b/include/litmus/rt_domain.h
@@ -31,6 +31,7 @@ typedef struct _rt_domain {
         /* real-time tasks waiting for release are in here */
         spinlock_t                      release_lock;
         struct release_queue            release_queue;
+        int                             release_master;
 
         /* for moving tasks to the release queue */
         spinlock_t                      tobe_lock;
@@ -54,6 +55,8 @@ struct release_heap {
         struct heap                     heap;
         /* used to trigger the release */
         struct hrtimer                  timer;
+        /* used to delegate releases */
+        struct hrtimer_start_on_info    info;
         /* required for the timer callback */
         rt_domain_t*                    dom;
 };