Struct ipc_perm

struct ipc_perm;

Description

To store information needed in determining permissions to perform an ipc operation.

Members

Defined in ipc_perm:

• cgidcreator group id
• cuidcreator user id
• gidgroup id
• keyuser specified msg or sem or shm key
• moderw permission
• seqsequence X (to generate unique ipcid)
• uiduser id

unsigned short cuid;

Description

creator user id

unsigned short cgid;

Description

creator group id

unsigned short uid;

Description

user id

unsigned short gid;

Description

group id

unsigned short mode;

Description

rw permission

unsigned short seq;

Description

sequence X (to generate unique ipcid)

key_t key;

Description

user specified msg or sem or shm key