devcgroup_online

函数名称：devcgroup_online - initializes devcgroup's behavior and exceptions based on* parent's*@css: css getting online* returns 0 in case of success, error code otherwise

函数原型：static int devcgroup_online(struct cgroup_subsys_state *css)

返回类型：int

参数：

类型	参数	名称
struct cgroup_subsys_state *	css

176

dev_cgroup等于css_to_devcgroup(css)

177

parent_dev_cgroup等于css_to_devcgroup(PI: the parent css. Placed here for cache proximity to following* fields of the containing structure.)

178

ret等于0

180

mutex_lock( & devcgroup_mutex)

182

如果(parent_dev_cgroup == NULL)则behavior等于DEVCG_DEFAULT_ALLOW

184

否则

185

ret等于alled under devcgroup_mutex

187

如果非ret则behavior等于behavior

190

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

192

返回:ret

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

函数逻辑报告