函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:ipc\util.c Create Date:2022-07-27 18:15:00
Last Modify:2022-05-23 18:05:07 Copyright©Brick
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函数名称：pcget_new - create a new ipc object*@ns: ipc namespace*@ids: ipc identifier set*@ops: the actual creation routine to call*@params: its parameters* This routine is called by sys_msgget, sys_semget() and sys_shmget()* when the key is IPC_PRIVATE.

函数原型：static int ipcget_new(struct ipc_namespace *ns, struct ipc_ids *ids, const struct ipc_ops *ops, struct ipc_params *params)

返回类型：int

参数：

类型参数名称
struct ipc_namespace *ns
struct ipc_ids *ids
const struct ipc_ops *ops
struct ipc_params *params
343  lock for writing
344  err等于getnew(ns, params)
345  lease a write lock
346  返回:err
调用者
名称描述
ipcgetpcget - Common sys_*get() code*@ns: namespace*@ids: ipc identifier set*@ops: operations to be called on ipc object creation, permission checks* and further checks*@params: the parameters needed by the previous operations.