io_uring_get

函数名称：Allocate an anonymous fd, this is what constitutes the application* visible backing of an io_uring instance. The application mmaps this* fd to gain access to the SQ/CQ ring details. If UNIX sockets are enabled,

函数原型：static int io_uring_get_fd(struct io_ring_ctx *ctx)

返回类型：int

参数：

类型	参数	名称
struct io_ring_ctx *	ctx

5290

ret等于get_unused_fd_flags(O_RDWR | O_CLOEXEC)

5291

如果ret小于0则转到:err

5294

file等于anon_inode_getfile - creates a new file instance by hooking it up to an* anonymous inode, and a dentry that describe the "class"* of the file*@name: [in] name of the "class" of the new file*@fops: [in] file operations for the new file*@priv: [in] private

5296

如果是错误则

5297

put_unused_fd(ret)

5298

ret等于错误

5299

转到:err

5306

fd_install(ret, file)

5307

返回:ret

5308

err :

5313

返回:ret

**调用者**
名称	描述
io_uring_create

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