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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 #include "synonyms.h" 34 #include <sys/types.h> 35 #include <sys/procset.h> 36 #include <sys/priocntl.h> 37 #include <stdarg.h> 38 #include <errno.h> 39 40 /* 41 * The declaration of __priocntlset() and __priocntl() was in prior releases 42 * in <sys/priocntl.h>. They are used to define PC_VERSION at compile time, 43 * based on the contents of the header file. This behavior is now changed. 44 * Old binaries call __priocntl() and __priocntlset() instead priocntl() and 45 * priocntlset(). New binaries call priocntl() and priocntlset(). 46 */ 47 48 /* 49 * defined in priocntlset.s 50 */ 51 extern long __priocntlset(int, procset_t *, int, caddr_t, ...); 52 53 /* 54 * prototype declaration 55 */ 56 long __priocntl(int, idtype_t, id_t, int, caddr_t); 57 58 59 static int pc_vaargs2parms(va_list valist, pc_vaparms_t *vp); 60 61 long 62 __priocntl(int pc_version, idtype_t idtype, id_t id, int cmd, caddr_t arg) 63 { 64 procset_t procset; 65 66 setprocset(&procset, POP_AND, idtype, id, P_ALL, 0); 67 68 return (__priocntlset(pc_version, &procset, cmd, arg, 0)); 69 } 70 71 72 /*VARARGS3*/ 73 long 74 priocntl(idtype_t idtype, id_t id, int cmd, ...) 75 { 76 procset_t procset; 77 va_list valist; 78 pc_vaparms_t varparms; 79 caddr_t arg; 80 int error; 81 82 setprocset(&procset, POP_AND, idtype, id, P_ALL, 0); 83 84 va_start(valist, cmd); 85 arg = va_arg(valist, caddr_t); 86 87 if (cmd != PC_GETXPARMS && cmd != PC_SETXPARMS) { 88 va_end(valist); 89 return (__priocntlset(PC_VERSION, &procset, cmd, arg, 0)); 90 } 91 92 error = pc_vaargs2parms(valist, &varparms); 93 va_end(valist); 94 95 if (error) { 96 errno = error; 97 return (-1); 98 } 99 100 return (__priocntlset(PC_VERSION, &procset, cmd, arg, &varparms)); 101 } 102 103 104 /*VARARGS2*/ 105 long 106 priocntlset(procset_t *procsetp, int cmd, ...) 107 { 108 va_list valist; 109 pc_vaparms_t varparms; 110 caddr_t arg; 111 int error; 112 113 va_start(valist, cmd); 114 arg = va_arg(valist, caddr_t); 115 116 if (cmd != PC_GETXPARMS && cmd != PC_SETXPARMS) { 117 va_end(valist); 118 return (__priocntlset(PC_VERSION, procsetp, cmd, arg, 0)); 119 } 120 121 error = pc_vaargs2parms(valist, &varparms); 122 va_end(valist); 123 124 if (error) { 125 errno = error; 126 return (-1); 127 } 128 129 return (__priocntlset(PC_VERSION, procsetp, cmd, arg, &varparms)); 130 } 131 132 133 static int 134 pc_vaargs2parms(va_list valist, pc_vaparms_t *vp) 135 { 136 pc_vaparm_t *vpp = &vp->pc_parms[0]; 137 int key; 138 139 for (vp->pc_vaparmscnt = 0; 140 (key = va_arg(valist, int)) != PC_KY_NULL; vpp++) { 141 if (++vp->pc_vaparmscnt > PC_VAPARMCNT) 142 return (EINVAL); 143 144 vpp->pc_key = key; 145 vpp->pc_parm = va_arg(valist, uintptr_t); 146 } 147 148 return (0); 149 } 150