LITMUS: provide per-plugin setup/tear down callbacks

Give plugins a chance to set up state and clean up.

1 files changed, 15 insertions, 0 deletions

diff --git a/include/litmus/sched_plugin.h b/include/litmus/sched_plugin.h
index aba75222fc..94952f6ccb 100644
--- a/include/litmus/sched_plugin.h
+++ b/include/litmus/sched_plugin.h
@@ -21,6 +21,12 @@ struct pi_semaphore {
         struct task_struct *holder;
 };
 
+/************************ setup/tear down ********************/
+
+typedef long (*activate_plugin_t) (void);
+typedef long (*deactivate_plugin_t) (void);
+
+
 
 /********************* scheduler invocation ******************/
 
@@ -75,6 +81,8 @@ typedef long (*return_priority_t) (struct pi_semaphore *sem);
 typedef long (*pi_block_t) (struct pi_semaphore *sem, struct task_struct *t);
 
 
+
+
 /********************* sys call backends  ********************/
 /* This function causes the caller to sleep until the next release */
 typedef long (*complete_job_t) (void);
@@ -87,6 +95,11 @@ struct sched_plugin {
         struct list_head        list;
         /*      basic info              */
         char                    *plugin_name;
+
+        /*      setup                   */
+        activate_plugin_t       activate_plugin;
+        deactivate_plugin_t     deactivate_plugin;
+
 #ifdef CONFIG_SRP
         unsigned int            srp_active;
 #endif
@@ -141,4 +154,6 @@ static inline int fmlp_active(void)
 #endif
 }
 
+extern struct sched_plugin linux_sched_plugin;
+
 #endif