Add _TICKET_LOCK_INITIALIZER to <sys/lock.h>

Add _TICKET_LOCK_INITIALIZER to statically initialize a
_Ticket_lock_Control structure.  This makes it possible to embed a
ticket lock in other structures outside of <sys/lock.h>.

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

diff --git a/newlib/libc/sys/rtems/include/sys/lock.h b/newlib/libc/sys/rtems/include/sys/lock.h
index f716a6964b12ee56dcf8373aa5ab5eb3e3d3e989..c0549db67cbb559edacbef49584156fb8ac346fd 100644 (file)
--- a/newlib/libc/sys/rtems/include/sys/lock.h
+++ b/newlib/libc/sys/rtems/include/sys/lock.h
@@ -70,7 +70,9 @@ struct _Futex_Control {
        struct _Thread_queue_Queue _Queue;
 };
 
-#define _THREAD_QUEUE_INITIALIZER { { 0, 0 }, 0, 0 }
+#define _TICKET_LOCK_INITIALIZER { 0, 0 }
+
+#define _THREAD_QUEUE_INITIALIZER { _TICKET_LOCK_INITIALIZER, 0, 0 }
 
 #define _MUTEX_INITIALIZER { _THREAD_QUEUE_INITIALIZER }