From ef7f3ebd582fa0abeedb677b55dd09b090805258 Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期三, 01 四月 2020 15:59:21 +0800
Subject: [PATCH] 把shmData的库拆开,把attach和detach放到外面去,使用更灵活 增加通过shmid获取shmkey的接口
---
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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