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