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-rw-r--r--kernel/spinlock.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/spinlock.h b/kernel/spinlock.h
index 4392820..9bac216 100644
--- a/kernel/spinlock.h
+++ b/kernel/spinlock.h
@@ -5,5 +5,9 @@ struct spinlock {
// For debugging:
char *name; // Name of lock.
struct cpu *cpu; // The cpu holding the lock.
+#ifdef LAB_LOCK
+ int nts;
+ int n;
+#endif
};