sys/kern/sysv_msg.c

134 #define MSQID(ix,ds)	((ix) & 0xffff | (((ds).msg_perm.seq << 16) & 0xffff0000))
253 		msqids[i].u.msg_perm.seq = 0;	/* reset to a known value */
254 		msqids[i].u.msg_perm.mode = 0;
295 		    (msqkptr->u.msg_perm.mode & MSG_LOCKED) != 0)
431 	if (msqkptr->u.msg_perm.seq != IPCID_TO_SEQ(msqid)) {
450 		if ((error = ipcperm(td, &msqkptr->u.msg_perm, IPC_M)))
507 		if ((error = ipcperm(td, &msqkptr->u.msg_perm, IPC_M)))
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 */
526 		msqkptr->u.msg_perm.mode = (msqkptr->u.msg_perm.mode & ~0777) |
527 		    (msqbuf->msg_perm.mode & 0777);
533 		if ((error = ipcperm(td, &msqkptr->u.msg_perm, IPC_R))) {
581 			    msqkptr->u.msg_perm.key == key)
591 			if ((error = ipcperm(td, &msqkptr->u.msg_perm,
617 			    (msqkptr->u.msg_perm.mode & MSG_LOCKED) == 0)
635 		msqkptr->u.msg_perm.key = key;
636 		msqkptr->u.msg_perm.cuid = cred->cr_uid;
637 		msqkptr->u.msg_perm.uid = cred->cr_uid;
638 		msqkptr->u.msg_perm.cgid = cred->cr_gid;
639 		msqkptr->u.msg_perm.gid = cred->cr_gid;
640 		msqkptr->u.msg_perm.mode = (msgflg & 0777);
643 		msqkptr->u.msg_perm.seq = (msqkptr->u.msg_perm.seq + 1) & 0x7fff;
665 	td->td_retval[0] = IXSEQ_TO_IPCID(msqid, msqkptr->u.msg_perm);
715 	if (msqkptr->u.msg_perm.seq != IPCID_TO_SEQ(msqid)) {
721 	if ((error = ipcperm(td, &msqkptr->u.msg_perm, IPC_W))) {
766 		if (msqkptr->u.msg_perm.mode & MSG_LOCKED) {
793 			if ((msqkptr->u.msg_perm.mode & MSG_LOCKED) != 0) {
800 				msqkptr->u.msg_perm.mode |= MSG_LOCKED;
808 				msqkptr->u.msg_perm.mode &= ~MSG_LOCKED;
840 	if (msqkptr->u.msg_perm.mode & MSG_LOCKED)
841 		panic("msg_perm.mode & MSG_LOCKED");
854 	if ((msqkptr->u.msg_perm.mode & MSG_LOCKED) != 0)
856 	msqkptr->u.msg_perm.mode |= MSG_LOCKED;
904 		msqkptr->u.msg_perm.mode &= ~MSG_LOCKED;
933 			msqkptr->u.msg_perm.mode &= ~MSG_LOCKED;
949 	msqkptr->u.msg_perm.mode &= ~MSG_LOCKED;
1078 	if (msqkptr->u.msg_perm.seq != IPCID_TO_SEQ(msqid)) {
1084 	if ((error = ipcperm(td, &msqkptr->u.msg_perm, IPC_R))) {
1225 		    msqkptr->u.msg_perm.seq != IPCID_TO_SEQ(msqid)) {
1382 		freebsd32_ipcperm_old_in(&msqbuf32.msg_perm, &msqbuf.msg_perm);
1399 		freebsd32_ipcperm_old_out(&msqbuf.msg_perm, &msqbuf32.msg_perm);
1427 		freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm);
1443 		freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm);
1556 		ipcperm_old2new(&msqold.msg_perm, &msqbuf.msg_perm);
1573 		ipcperm_new2old(&msqbuf.msg_perm, &msqold.msg_perm);