From 0b86d037672d01450d999f7cfb6f39236ed253f5 Mon Sep 17 00:00:00 2001
From: Frans Kaashoek <kaashoek@mit.edu>
Date: Thu, 30 Aug 2018 11:57:46 -0400
Subject: [PATCH] Because sleeplocks replaced B_BUSY the holding test can be
 more specific (thanks Mark Morrissey)

---
 sleeplock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
 }