xref: /illumos-gate/usr/src/lib/libproc/common/pr_pbind.c (revision 571575105382b90dc07db52b51d687862849dd05)
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 (the "License").
6   * You may not use this file except in compliance with the License.
7   *
8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9   * or http://www.opensolaris.org/os/licensing.
10   * See the License for the specific language governing permissions
11   * and limitations under the License.
12   *
13   * When distributing Covered Code, include this CDDL HEADER in each
14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15   * If applicable, add the following below this CDDL HEADER, with the
16   * fields enclosed by brackets "[]" replaced with your own identifying
17   * information: Portions Copyright [yyyy] [name of copyright owner]
18   *
19   * CDDL HEADER END
20   */
21  /*
22   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23   * Use is subject to license terms.
24   */
25  
26  #include <sys/types.h>
27  #include <sys/procset.h>
28  #include <sys/processor.h>
29  #include <sys/pset.h>
30  #include <stdlib.h>
31  #include <unistd.h>
32  #include <errno.h>
33  #include "libproc.h"
34  
35  int
36  pr_processor_bind(struct ps_prochandle *Pr, idtype_t idtype, id_t id,
37      int processorid, int *obind)
38  {
39  	sysret_t rval;			/* return value */
40  	argdes_t argd[4];		/* arg descriptors */
41  	argdes_t *adp = &argd[0];	/* first argument */
42  	int error;
43  
44  	if (Pr == NULL)		/* no subject process */
45  		return (processor_bind(idtype, id, processorid, obind));
46  
47  	adp->arg_value = idtype;	/* idtype */
48  	adp->arg_object = NULL;
49  	adp->arg_type = AT_BYVAL;
50  	adp->arg_inout = AI_INPUT;
51  	adp->arg_size = 0;
52  	adp++;
53  
54  	adp->arg_value = id;		/* id */
55  	adp->arg_object = NULL;
56  	adp->arg_type = AT_BYVAL;
57  	adp->arg_inout = AI_INPUT;
58  	adp->arg_size = 0;
59  	adp++;
60  
61  	adp->arg_value = processorid;	/* processorid */
62  	adp->arg_object = NULL;
63  	adp->arg_type = AT_BYVAL;
64  	adp->arg_inout = AI_INPUT;
65  	adp->arg_size = 0;
66  	adp++;
67  
68  	if (obind == NULL) {
69  		adp->arg_value = 0;	/* obind */
70  		adp->arg_object = NULL;
71  		adp->arg_type = AT_BYVAL;
72  		adp->arg_inout = AI_INPUT;
73  		adp->arg_size = 0;
74  	} else {
75  		adp->arg_value = 0;
76  		adp->arg_object = obind;
77  		adp->arg_type = AT_BYREF;
78  		adp->arg_inout = AI_INOUT;
79  		adp->arg_size = sizeof (int);
80  	}
81  
82  	error = Psyscall(Pr, &rval, SYS_processor_bind, 4, &argd[0]);
83  
84  	if (error) {
85  		errno = (error < 0)? ENOSYS : error;
86  		return (-1);
87  	}
88  	return (rval.sys_rval1);
89  }
90