Differential D19702 Diff 55440 head/sys/kern/kern_descrip.c

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head/sys/kern/kern_descrip.c

Show First 20 Lines • Show All 595 Lines • ▼ Show 20 Lines	if (error != 0)
break;		break;
tmp = arg;		tmp = arg;
error = fo_ioctl(fp, FIOSETOWN, &tmp, td->td_ucred, td);		error = fo_ioctl(fp, FIOSETOWN, &tmp, td->td_ucred, td);
fdrop(fp, td);		fdrop(fp, td);
break;		break;

case F_SETLK_REMOTE:		case F_SETLK_REMOTE:
error = priv_check(td, PRIV_NFS_LOCKD);		error = priv_check(td, PRIV_NFS_LOCKD);
if (error)		if (error != 0)
return (error);		return (error);
flg = F_REMOTE;		flg = F_REMOTE;
goto do_setlk;		goto do_setlk;

case F_SETLKW:		case F_SETLKW:
flg \|= F_WAIT;		flg \|= F_WAIT;
/* FALLTHROUGH F_SETLK */		/* FALLTHROUGH F_SETLK */

case F_SETLK:		case F_SETLK:
do_setlk:		do_setlk:
		flp = (struct flock *)arg;
		if ((flg & F_REMOTE) != 0 && flp->l_sysid == 0) {
		error = EINVAL;
		break;
		}

error = fget_unlocked(fdp, fd, &cap_flock_rights, &fp, NULL);		error = fget_unlocked(fdp, fd, &cap_flock_rights, &fp, NULL);
if (error != 0)		if (error != 0)
break;		break;
if (fp->f_type != DTYPE_VNODE) {		if (fp->f_type != DTYPE_VNODE) {
error = EBADF;		error = EBADF;
fdrop(fp, td);		fdrop(fp, td);
break;		break;
}		}

flp = (struct flock *)arg;
if (flp->l_whence == SEEK_CUR) {		if (flp->l_whence == SEEK_CUR) {
foffset = foffset_get(fp);		foffset = foffset_get(fp);
if (foffset < 0 \|\|		if (foffset < 0 \|\|
(flp->l_start > 0 &&		(flp->l_start > 0 &&
foffset > OFF_MAX - flp->l_start)) {		foffset > OFF_MAX - flp->l_start)) {
error = EOVERFLOW;		error = EOVERFLOW;
fdrop(fp, td);		fdrop(fp, td);
break;		break;
Show All 29 Lines	case F_WRLCK:
error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_SETLK,		error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_SETLK,
flp, flg);		flp, flg);
break;		break;
case F_UNLCK:		case F_UNLCK:
error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_UNLCK,		error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_UNLCK,
flp, flg);		flp, flg);
break;		break;
case F_UNLCKSYS:		case F_UNLCKSYS:
/*
* Temporary api for testing remote lock
* infrastructure.
*/
if (flg != F_REMOTE) {		if (flg != F_REMOTE) {
error = EINVAL;		error = EINVAL;
break;		break;
}		}
error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader,		error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader,
F_UNLCKSYS, flp, flg);		F_UNLCKSYS, flp, flg);
break;		break;
default:		default:
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