diff options
| -rw-r--r-- | sleeplock.c | 2 | 
1 files changed, 1 insertions, 1 deletions
| diff --git a/sleeplock.c b/sleeplock.c index d0e4d91..e0750ea 100644 --- a/sleeplock.c +++ b/sleeplock.c @@ -47,7 +47,7 @@ holdingsleep(struct sleeplock *lk)    int r;    acquire(&lk->lk); -  r = lk->locked; +  r = lk->locked && (lk->pid == myproc()->pid);    release(&lk->lk);    return r;  } | 
