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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This is in a separate file because procfs.h cannot be included if
* _FILE_OFFSET_BITES=64 is defined.
*/
#include <procfs.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
ctid_t
proc_get_ctid()
{
id_t ctid;
int fd;
ssize_t bytes;
psinfo_t psinfo;
fd = open("/proc/self/psinfo", O_RDONLY);
if (fd < 0)
return (-1);
bytes = read(fd, &psinfo, sizeof (psinfo));
if (bytes == sizeof (psinfo))
ctid = psinfo.pr_contract;
else
ctid = -1;
(void) close(fd);
return (ctid);
}
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