MSG_LOCKED
(msqptr->msg_perm.mode & MSG_LOCKED) == 0)
if (msqptr->msg_perm.mode & MSG_LOCKED) {
if ((msqptr->msg_perm.mode & MSG_LOCKED) != 0) {
msqptr->msg_perm.mode |= MSG_LOCKED;
msqptr->msg_perm.mode &= ~MSG_LOCKED;
if (msqptr->msg_perm.mode & MSG_LOCKED)
if ((msqptr->msg_perm.mode & MSG_LOCKED) != 0)
msqptr->msg_perm.mode |= MSG_LOCKED;
msqptr->msg_perm.mode &= ~MSG_LOCKED;
msqptr->msg_perm.mode &= ~MSG_LOCKED;
msqptr->msg_perm.mode &= ~MSG_LOCKED;
msqptr->msg_perm.mode &= ~MSG_LOCKED;