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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2017 by Delphix. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc. All rights reserved.
*/
#include <sys/types.h>
#include <sys/cmn_err.h>
#include <sys/cred.h>
#include <sys/kmem.h>
#include <sys/systm.h>
#include <sys/sysmacros.h>
volatile int ncsize = 500; /* dnlc.h */
static major_t devcnt = 0x280;
static kmutex_t udevlock;
/* os/subr.c */
major_t
getudev()
{
static major_t next = 0;
major_t ret;
mutex_enter(&udevlock);
if (next == 0)
next = devcnt;
if (next <= L_MAXMAJ32 && next >= devcnt)
ret = next++;
else {
cmn_err(CE_WARN, "out of major numbers");
ret = ((major_t)-1);
}
mutex_exit(&udevlock);
return (ret);
}
/*
* Compress 'long' device number encoding to 32-bit device number
* encoding. If it won't fit, we return failure, but set the
* device number to 32-bit NODEV for the sake of our callers.
*/
int
cmpldev(dev32_t *dst, dev_t dev)
{
#if defined(_LP64)
if (dev == NODEV) {
*dst = (dev32_t)(-1);
} else {
major_t major = dev >> L_BITSMINOR;
minor_t minor = dev & L_MAXMIN;
if (major > L_MAXMAJ32 || minor > L_MAXMIN32) {
*dst = (dev32_t)(-1);
return (0);
}
*dst = (dev32_t)((major << L_BITSMINOR32) | minor);
}
#else
*dst = (dev32_t)dev;
#endif
return (1);
}
/* os/cred.c */
int
groupmember(gid_t gid, const cred_t *cr)
{
if (gid == 0 || gid == 1)
return (1);
return (0);
}
/* os/sig.c */
/* ARGSUSED */
void
sigintr(k_sigset_t *smask, int intable)
{
}
/* ARGSUSED */
void
sigunintr(k_sigset_t *smask)
{
}
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