函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:ipc\msg.c Create Date:2022-07-27 18:18:01
Last Modify:2020-03-17 22:56:56 Copyright©Brick
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函数名称：sysvipc_msg_proc_show

函数原型：static int sysvipc_msg_proc_show(struct seq_file *s, void *it)

返回类型：int

参数：

类型参数名称
struct seq_file *s
void *it
1290  pid_ns等于ipc_seq_pid_ns(s)
1291  user_ns等于seq_user_ns(s)
1292  ipcp等于it
1293  msq等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(ipcp, structmsg_queue, q_perm)
1295  seq_printf(s, "%10d %10d %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %10llu %10llu %10llu\n", key, id, mode, current number of bytes on queue , umber of messages in queue , pid_nr_ns(pid of last msgsnd , pid_ns), pid_nr_ns(last receive pid , pid_ns), m_kuid_munged - Create a uid from a kuid user-namespace pair.*@targ: The user namespace we want a uid in.*@kuid: The kernel internal uid to start with.* Map @kuid into the user-namespace specified by @targ and* return the resulting uid., m_kgid_munged - Create a gid from a kgid user-namespace pair.*@targ: The user namespace we want a gid in.*@kgid: The kernel internal gid to start with.* Map @kgid into the user-namespace specified by @targ and* return the resulting gid., m_kuid_munged - Create a uid from a kuid user-namespace pair.*@targ: The user namespace we want a uid in.*@kuid: The kernel internal uid to start with.* Map @kuid into the user-namespace specified by @targ and* return the resulting uid., m_kgid_munged - Create a gid from a kgid user-namespace pair.*@targ: The user namespace we want a gid in.*@kgid: The kernel internal gid to start with.* Map @kgid into the user-namespace specified by @targ and* return the resulting gid., last msgsnd time , last msgrcv time , last change time )
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