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-rw-r--r--cpukit/rtems/include/rtems/rtems/ratemon.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/cpukit/rtems/include/rtems/rtems/ratemon.h b/cpukit/rtems/include/rtems/rtems/ratemon.h
index 3203eab394..a2df13f025 100644
--- a/cpukit/rtems/include/rtems/rtems/ratemon.h
+++ b/cpukit/rtems/include/rtems/rtems/ratemon.h
@@ -194,6 +194,11 @@ typedef struct {
/** This field is the object management portion of a Period instance. */
Objects_Control Object;
+ /**
+ * @brief Protects the rate monotonic period state.
+ */
+ ISR_LOCK_MEMBER( Lock )
+
/** This is the timer used to provide the unblocking mechanism. */
Watchdog_Control Timer;