From e4ce347428a0d459c7561f7bb3e180f351c11a4f Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期二, 14 七月 2020 10:38:18 +0800
Subject: [PATCH] update

---
 queue/mm.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/queue/mm.c b/queue/mm.c
index 2276a7f..592fda0 100644
--- a/queue/mm.c
+++ b/queue/mm.c
@@ -374,7 +374,7 @@
 
  
 
-void mm_destroy(void) {
+bool mm_destroy(void) {
   struct shmid_ds shmid_ds;
   //detache
   SemUtil::dec(mutex);
@@ -395,13 +395,16 @@
 
        SemUtil::inc(mutex);
        SemUtil::remove(mutex);
+       return true;
 
     } else {
       SemUtil::inc(mutex);
     }
+    return false;
   } else {
     err_msg(errno, "mm_destroy shmctl IPC_STAT");
     SemUtil::inc(mutex);
+    return false;
   }
  
   

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