is_key_possessed

函数名称：is_key_possessed

函数原型：static inline bool is_key_possessed(const key_ref_t key_ref)

返回类型：bool

参数：

类型	参数	名称
const key_ref_t	key_ref

145

返回:key_ref按位与1UL

**调用者**
名称	描述
key_create_or_update	key_create_or_update - Update or create and instantiate a key.@keyring_ref: A pointer to the destination keyring with possession flag.@type: The type of key.*@description: The searchable description for the key.
keyring_search_rcu	keyring_search_rcu - Search a keyring tree for a matching key under RCU*@keyring_ref: A pointer to the keyring with possession indicator
find_key_to_update	Search the given keyring for a key that might be updated.* The caller must guarantee that the keyring is a keyring and that the* permission is granted to modify the keyring as no check is made here. The
keyctl_read_key	Read a key's payload
key_task_permission	key_task_permission - Check a key can be used@key_ref: The key to check.@cred: The credentials to use.@perm: The permissions to check for. Check to see whether permission is granted to use a key in the desired way,

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码