From 775b076861a1d2c260c32befef12770833baeffd Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期二, 29 十月 2019 11:17:47 +0800
Subject: [PATCH] fixed

---
 create.go |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/create.go b/create.go
index 640429b..bcbe124 100644
--- a/create.go
+++ b/create.go
@@ -18,7 +18,15 @@
 		return nil, ErrNotMultipleOf64
 	}
 
-	file, err := Open(name, unix.O_CREAT|unix.O_EXCL|unix.O_TRUNC|unix.O_RDWR, perm)
+	flag := unix.O_CREAT | unix.O_EXCL | unix.O_TRUNC | unix.O_RDWR
+	_, err := os.Stat(devShm + name)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			flag = unix.O_TRUNC | unix.O_RDWR
+		}
+	}
+
+	file, err := Open(name, flag, perm)
 	if err != nil {
 		return nil, err
 	}

--
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