ICS/FDSO: new FDSO ABI and ICS ABI

update system call interface

1 files changed, 15 insertions, 1 deletions

diff --git a/include/litmus.h b/include/litmus.h
index 2aac46f..3a03a18 100644
--- a/include/litmus.h
+++ b/include/litmus.h
@@ -81,9 +81,14 @@ typedef enum  {
         SRP_SEM         = 1,
         ICS_ID          = 2,
 } obj_type_t;
-int od_open(int fd, obj_type_t type, int obj_id);
+int od_openx(int fd, obj_type_t type, int obj_id, void* config);
 int od_close(int od);
 
+static inline int od_open(int fd, obj_type_t type, int obj_id)
+{
+        return od_openx(fd, type, obj_id, 0);
+}
+
 /* FMLP support */
 int pi_down(int od);
 int pi_up(int od);
@@ -97,6 +102,15 @@ int wait_for_job_release(unsigned int job_no);
 int sleep_next_period(void);
 
 
+/* interruptible critical section support */
+#define MAX_ICS_NESTING         16
+#define ICS_END_OF_STACK        (-2)
+
+/* ICS control block */
+struct ics_cb {
+        void*           rollback_addr;
+        int             ics_stack[MAX_ICS_NESTING];
+};