xref: /illumos-gate/usr/src/uts/common/syscall/getpid.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*7c478bd9Sstevel@tonic-gate 
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate #include <sys/param.h>
34*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
35*7c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h>
36*7c478bd9Sstevel@tonic-gate #include <sys/systm.h>
37*7c478bd9Sstevel@tonic-gate #include <sys/errno.h>
38*7c478bd9Sstevel@tonic-gate #include <sys/proc.h>
39*7c478bd9Sstevel@tonic-gate #include <sys/debug.h>
40*7c478bd9Sstevel@tonic-gate #include <sys/zone.h>
41*7c478bd9Sstevel@tonic-gate 
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate int64_t
getpid(void)44*7c478bd9Sstevel@tonic-gate getpid(void)
45*7c478bd9Sstevel@tonic-gate {
46*7c478bd9Sstevel@tonic-gate 	rval_t	r;
47*7c478bd9Sstevel@tonic-gate 	proc_t	*p;
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate 	p = ttoproc(curthread);
50*7c478bd9Sstevel@tonic-gate 	r.r_val1 = p->p_pid;
51*7c478bd9Sstevel@tonic-gate 	if (p->p_flag & SZONETOP)
52*7c478bd9Sstevel@tonic-gate 		r.r_val2 = curproc->p_zone->zone_zsched->p_pid;
53*7c478bd9Sstevel@tonic-gate 	else
54*7c478bd9Sstevel@tonic-gate 		r.r_val2 = p->p_ppid;
55*7c478bd9Sstevel@tonic-gate 	return (r.r_vals);
56*7c478bd9Sstevel@tonic-gate }
57