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-rw-r--r--spinlock.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/spinlock.c b/spinlock.c
index 9120bf2..4020186 100644
--- a/spinlock.c
+++ b/spinlock.c
@@ -89,7 +89,11 @@ getcallerpcs(void *v, uint pcs[])
int
holding(struct spinlock *lock)
{
- return lock->locked && lock->cpu == mycpu();
+ int r;
+ pushcli();
+ r = lock->locked && lock->cpu == mycpu();
+ popcli();
+ return r;
}