get a System V message queue identifier NAME msgget - get a System V message queue identifier LIBRARY Standard C library ( libc , -lc ) SYNOP......ed fields are settable using IPC_SET ): struct ipc_perm { key_t __key; /* Key supplied to msgget(2) */ uid_t uid ; /* Effective UID of owner */ gid_t gid ; /* Effective GID of o…...on really are implemented as separate system calls. STANDARDS Linux. SEE ALSO msgctl (2), msgget (2), msgrcv (2), msgsnd (2), semctl (2), semget (2), semop (2), semtimedop (2), …...option\n"); } } if (mode == 0) usage(argv[0], "must use either -s or -r option\n"); qid = msgget(msgkey, IPC_CREAT | 0666); if (qid == -1) { perror("msgget"); exit(EXIT_FAILURE)…...option\n"); } } if (mode == 0) usage(argv[0], "must use either -s or -r option\n"); qid = msgget(msgkey, IPC_CREAT | 0666); if (qid == -1) { perror("msgget"); exit(EXIT_FAILURE)…...option\n"); } } if (mode == 0) usage(argv[0], "must use either -s or -r option\n"); qid = msgget(msgkey, IPC_CREAT | 0666); if (qid == -1) { perror("msgget"); exit(EXIT_FAILURE)…...not affect the permissions assigned to System V IPC objects created by the process (using msgget (2), semget (2), shmget (2)). SEE ALSO chmod (2), mkdir (2), open (2), stat (2),…...imedsend (2) 2.6.6 mq_unlink (2) 2.6.6 mremap (2) 2.0 msgctl (2) 2.0 See notes on ipc (2) msgget (2) 2.0 See notes on ipc (2) msgrcv (2) 2.0 See notes on ipc (2) msgsnd (2) 2.0 …