xa_is_zero

函数名称：xa_is_zero() - Is the entry a zero entry?*@entry: Entry retrieved from the XArray* The normal API will return NULL as the contents of a slot containing* a zero entry. You can only see zero entries by using the advanced API.

函数原型：static inline bool xa_is_zero(const void *entry)

返回类型：bool

参数：

类型	参数	名称
const void *	entry

185

返回:此条件成立可能性小(为编译器优化)(entry == XA_ZERO_ENTRY)

**调用者**
名称	描述
xas_shrink
xas_store	xas_store() - Store this entry in the XArray
xa_load	xa_load() - Load an entry from an XArray.@xa: XArray.@index: index into array.* Context: Any context. Takes and releases the RCU lock.* Return: The entry at @index in @xa.
xas_result
xas_retry	xas_retry() - Retry the operation if appropriate.@xas: XArray operation state.@entry: Entry from xarray.* The advanced functions may sometimes return an internal entry, such as* a retry entry or a zero entry. This function sets up the @xas to restart

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