From 37a7bd95042c19d7334b099d50ac6dc8e07e4b4e Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期二, 07 七月 2020 16:40:51 +0800
Subject: [PATCH] update

---
 squeue/mm.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/squeue/mm.h b/squeue/mm.h
index 0cb9729..fd3fba3 100644
--- a/squeue/mm.h
+++ b/squeue/mm.h
@@ -10,6 +10,7 @@
 /* Hard-coded keys for IPC objects */
 
 #define SHM_KEY 0x1234          /* Key for shared memory segment */
+#define SHM_MUTEX_KEY 0x8800
 
 #define OBJ_PERMS (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP)
 

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