Home | History | Annotate | Download | only in common
      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