From f6738bc22f2c4065f1681d8a5f06bcaf21ff5c46 Mon Sep 17 00:00:00 2001
From: chenshijun <chenshijun@aiotlink.com>
Date: 星期五, 03 四月 2020 13:20:03 +0800
Subject: [PATCH] shmdata 的shmData转内存slice的capacity修改成实际shmdata的长度减去预留32字节记录Len的字段
---
shmwrap.go | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/shmwrap.go b/shmwrap.go
index e855c8e..8dad1d7 100644
--- a/shmwrap.go
+++ b/shmwrap.go
@@ -211,4 +211,15 @@
}
return int(idDs.Nattch), nil
+}
+
+func GetKeyById(shmId int) (int,error) {
+ var idDs shm.IdDs
+
+ _, err := shm.Ctl(shmId, shm.IPC_STAT, &idDs)
+ if err != nil {
+ return 0, err
+ }
+
+ return int(idDs.Perm.Key), nil
}
\ No newline at end of file
--
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