[ABI] add task_mode_transition system call

2 files changed, 17 insertions, 6 deletions

diff --git a/include/litmus.h b/include/litmus.h
index 06f84bb..b0095e3 100644
--- a/include/litmus.h
+++ b/include/litmus.h
@@ -145,6 +145,16 @@ void init_litmus(void);
 int create_rt_task(rt_fn_t rt_prog, void *arg, int cpu, int wcet, int period);
 int __create_rt_task(rt_fn_t rt_prog, void *arg, int cpu, int wcet, 
                      int period, task_class_t cls);
+
+
+/*      per-task modes */
+enum rt_task_mode_t {
+        BACKGROUND_TASK = 0,
+        LITMUS_RT_TASK  = 1
+};
+int task_mode_transition(int target_mode);
+
+
 const char* get_scheduler_name(spolicy scheduler);
 void show_rt_param(rt_param_t* tp);
 task_class_t str2class(const char* str);
diff --git a/src/litmus.c b/src/litmus.c
index 15f7e55..5be0b41 100644
--- a/src/litmus.c
+++ b/src/litmus.c
@@ -316,12 +316,12 @@ void init_litmus(void)
 #define __NR_srp_up             335
 #define __NR_reg_task_srp_sem   336
 #define __NR_get_job_no         337
-#define __NR_wait_for_job_release 338
-#define __NR_set_service_levels 339
-#define __NR_get_cur_service_level 340
-#define __NR_reg_ics_cb         341
-#define __NR_start_wcs          342
-
+#define __NR_wait_for_job_release       338
+#define __NR_set_service_levels         339
+#define __NR_get_cur_service_level      340
+#define __NR_reg_ics_cb                 341
+#define __NR_start_wcs                  342
+#define __NR_task_mode_transition       343
 
 /*      Syscall stub for setting RT mode and scheduling options */
 _syscall0(spolicy, sched_getpolicy);
@@ -348,3 +348,4 @@ _syscall1(int,     wait_for_job_release, unsigned int, job_no);
 
 _syscall1(int,     start_wcs,         int,  od);
 _syscall1(int,     reg_ics_cb,        struct ics_cb*, ics_cb);
+_syscall1(int,     task_mode_transition, int, target_mode);