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-rw-r--r--kern/thread.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/kern/thread.h b/kern/thread.h
index a5abefcc..f8232d1a 100644
--- a/kern/thread.h
+++ b/kern/thread.h
@@ -229,6 +229,10 @@ struct thread {
#if NCPUS > 1
processor_t last_processor; /* processor this last ran on */
#endif /* NCPUS > 1 */
+
+#if MACH_LOCK_MON
+ int lock_stack;
+#endif
};
/* typedef of thread_t is in kern/kern_types.h */