gcov_seq_write

函数名称：write() implementation for gcov data files. Reset profiling data for the* corresponding file. If all associated object files have been unloaded,* remove the debug fs node as well.

函数原型：static ssize_t gcov_seq_write(struct file *file, const char __user *addr, size_t len, loff_t *pos)

返回类型：ssize_t

参数：

类型	参数	名称
struct file *	file
const char __user *	addr
size_t	len
loff_t *	pos

279

seq等于 needed for tty driver, and maybe others

280

info等于gcov_iter_get_info(private)

281

mutex_lock( & node_lock)

282

node等于Find a node by the associated data file name. Needs to be called with* node_lock held.

283

如果node则

285

如果num_loaded恒等于0则remove_node(node)

287

否则Reset all profiling data associated with the specified node.

291

gcov_info control.

292

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.

294

返回:len

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