sys/kern/sysv_msg.c

389 	struct msqid_ds msqbuf;
394 	    (error = copyin(uap->buf, &msqbuf, sizeof(msqbuf))) != 0)
396 	error = kern_msgctl(td, msqid, cmd, &msqbuf);
398 		error = copyout(&msqbuf, uap->buf, sizeof(struct msqid_ds));
403 kern_msgctl(td, msqid, cmd, msqbuf)
407 	struct msqid_ds *msqbuf;
509 		if (msqbuf->msg_qbytes > msqkptr->u.msg_qbytes) {
514 		if (msqbuf->msg_qbytes > msginfo.msgmnb) {
517 			msqbuf->msg_qbytes = msginfo.msgmnb;	/* silently restrict qbytes to system limit */
519 		if (msqbuf->msg_qbytes == 0) {
524 		msqkptr->u.msg_perm.uid = msqbuf->msg_perm.uid;	/* change the owner */
525 		msqkptr->u.msg_perm.gid = msqbuf->msg_perm.gid;	/* change the owner */
527 		    (msqbuf->msg_perm.mode & 0777);
528 		msqkptr->u.msg_qbytes = msqbuf->msg_qbytes;
537 		*msqbuf = msqkptr->u;
1378 	struct msqid_ds msqbuf;
1386 		freebsd32_ipcperm_old_in(&msqbuf32.msg_perm, &msqbuf.msg_perm);
1387 		PTRIN_CP(msqbuf32, msqbuf, msg_first);
1388 		PTRIN_CP(msqbuf32, msqbuf, msg_last);
1389 		CP(msqbuf32, msqbuf, msg_cbytes);
1390 		CP(msqbuf32, msqbuf, msg_qnum);
1391 		CP(msqbuf32, msqbuf, msg_qbytes);
1392 		CP(msqbuf32, msqbuf, msg_lspid);
1393 		CP(msqbuf32, msqbuf, msg_lrpid);
1394 		CP(msqbuf32, msqbuf, msg_stime);
1395 		CP(msqbuf32, msqbuf, msg_rtime);
1396 		CP(msqbuf32, msqbuf, msg_ctime);
1398 	error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf);
1403 		freebsd32_ipcperm_old_out(&msqbuf.msg_perm, &msqbuf32.msg_perm);
1404 		PTROUT_CP(msqbuf, msqbuf32, msg_first);
1405 		PTROUT_CP(msqbuf, msqbuf32, msg_last);
1406 		CP(msqbuf, msqbuf32, msg_cbytes);
1407 		CP(msqbuf, msqbuf32, msg_qnum);
1408 		CP(msqbuf, msqbuf32, msg_qbytes);
1409 		CP(msqbuf, msqbuf32, msg_lspid);
1410 		CP(msqbuf, msqbuf32, msg_lrpid);
1411 		CP(msqbuf, msqbuf32, msg_stime);
1412 		CP(msqbuf, msqbuf32, msg_rtime);
1413 		CP(msqbuf, msqbuf32, msg_ctime);
1423 	struct msqid_ds msqbuf;
1431 		freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm);
1432 		PTRIN_CP(msqbuf32, msqbuf, msg_first);
1433 		PTRIN_CP(msqbuf32, msqbuf, msg_last);
1434 		CP(msqbuf32, msqbuf, msg_cbytes);
1435 		CP(msqbuf32, msqbuf, msg_qnum);
1436 		CP(msqbuf32, msqbuf, msg_qbytes);
1437 		CP(msqbuf32, msqbuf, msg_lspid);
1438 		CP(msqbuf32, msqbuf, msg_lrpid);
1439 		CP(msqbuf32, msqbuf, msg_stime);
1440 		CP(msqbuf32, msqbuf, msg_rtime);
1441 		CP(msqbuf32, msqbuf, msg_ctime);
1443 	error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf);
1447 		freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm);
1448 		PTROUT_CP(msqbuf, msqbuf32, msg_first);
1449 		PTROUT_CP(msqbuf, msqbuf32, msg_last);
1450 		CP(msqbuf, msqbuf32, msg_cbytes);
1451 		CP(msqbuf, msqbuf32, msg_qnum);
1452 		CP(msqbuf, msqbuf32, msg_qbytes);
1453 		CP(msqbuf, msqbuf32, msg_lspid);
1454 		CP(msqbuf, msqbuf32, msg_lrpid);
1455 		CP(msqbuf, msqbuf32, msg_stime);
1456 		CP(msqbuf, msqbuf32, msg_rtime);
1457 		CP(msqbuf, msqbuf32, msg_ctime);
1551 	struct msqid_ds msqbuf;
1560 		ipcperm_old2new(&msqold.msg_perm, &msqbuf.msg_perm);
1561 		CP(msqold, msqbuf, msg_first);
1562 		CP(msqold, msqbuf, msg_last);
1563 		CP(msqold, msqbuf, msg_cbytes);
1564 		CP(msqold, msqbuf, msg_qnum);
1565 		CP(msqold, msqbuf, msg_qbytes);
1566 		CP(msqold, msqbuf, msg_lspid);
1567 		CP(msqold, msqbuf, msg_lrpid);
1568 		CP(msqold, msqbuf, msg_stime);
1569 		CP(msqold, msqbuf, msg_rtime);
1570 		CP(msqold, msqbuf, msg_ctime);
1572 	error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf);
1577 		ipcperm_new2old(&msqbuf.msg_perm, &msqold.msg_perm);
1578 		CP(msqbuf, msqold, msg_first);
1579 		CP(msqbuf, msqold, msg_last);
1580 		CP(msqbuf, msqold, msg_cbytes);
1581 		CP(msqbuf, msqold, msg_qnum);
1582 		CP(msqbuf, msqold, msg_qbytes);
1583 		CP(msqbuf, msqold, msg_lspid);
1584 		CP(msqbuf, msqold, msg_lrpid);
1585 		CP(msqbuf, msqold, msg_stime);
1586 		CP(msqbuf, msqold, msg_rtime);
1587 		CP(msqbuf, msqold, msg_ctime);