| kern_resource.c (91066) | kern_resource.c (91140) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94 |
| 39 * $FreeBSD: head/sys/kern/kern_resource.c 91066 2002-02-22 13:32:01Z phk $ | 39 * $FreeBSD: head/sys/kern/kern_resource.c 91140 2002-02-23 11:12:57Z tanimura $ |
| 40 */ 41 42#include "opt_compat.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/sysproto.h> 47#include <sys/file.h> --- 58 unchanged lines hidden (view full) --- 106 low = p->p_ksegrp.kg_nice /* XXXKSE */ ; 107 PROC_UNLOCK(p); 108 } 109 break; 110 111 case PRIO_PGRP: { 112 register struct pgrp *pg; 113 | 40 */ 41 42#include "opt_compat.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/sysproto.h> 47#include <sys/file.h> --- 58 unchanged lines hidden (view full) --- 106 low = p->p_ksegrp.kg_nice /* XXXKSE */ ; 107 PROC_UNLOCK(p); 108 } 109 break; 110 111 case PRIO_PGRP: { 112 register struct pgrp *pg; 113 |
| 114 if (uap->who == 0) | 114 PGRPSESS_SLOCK(); 115 if (uap->who == 0) { |
| 115 pg = curp->p_pgrp; | 116 pg = curp->p_pgrp; |
| 116 else if ((pg = pgfind(uap->who)) == NULL) 117 break; | 117 PGRP_LOCK(pg); 118 } else { 119 pg = pgfind(uap->who); 120 if (pg == NULL) { 121 PGRPSESS_SUNLOCK(); 122 break; 123 } 124 } 125 PGRPSESS_SUNLOCK(); |
| 118 LIST_FOREACH(p, &pg->pg_members, p_pglist) { | 126 LIST_FOREACH(p, &pg->pg_members, p_pglist) { |
| 127 PROC_LOCK(p); |
|
| 119 if (!p_cansee(curp, p) && p->p_ksegrp.kg_nice /* XXXKSE */ < low) 120 low = p->p_ksegrp.kg_nice /* XXXKSE */ ; | 128 if (!p_cansee(curp, p) && p->p_ksegrp.kg_nice /* XXXKSE */ < low) 129 low = p->p_ksegrp.kg_nice /* XXXKSE */ ; |
| 130 PROC_UNLOCK(p); |
|
| 121 } | 131 } |
| 132 PGRP_UNLOCK(pg); |
|
| 122 break; 123 } 124 125 case PRIO_USER: 126 if (uap->who == 0) 127 uap->who = curp->p_ucred->cr_uid; 128 sx_slock(&allproc_lock); 129 LIST_FOREACH(p, &allproc, p_list) --- 50 unchanged lines hidden (view full) --- 180 PROC_UNLOCK(p); 181 } 182 found++; 183 break; 184 185 case PRIO_PGRP: { 186 register struct pgrp *pg; 187 | 133 break; 134 } 135 136 case PRIO_USER: 137 if (uap->who == 0) 138 uap->who = curp->p_ucred->cr_uid; 139 sx_slock(&allproc_lock); 140 LIST_FOREACH(p, &allproc, p_list) --- 50 unchanged lines hidden (view full) --- 191 PROC_UNLOCK(p); 192 } 193 found++; 194 break; 195 196 case PRIO_PGRP: { 197 register struct pgrp *pg; 198 |
| 188 if (uap->who == 0) | 199 PGRPSESS_SLOCK(); 200 if (uap->who == 0) { |
| 189 pg = curp->p_pgrp; | 201 pg = curp->p_pgrp; |
| 190 else if ((pg = pgfind(uap->who)) == NULL) 191 break; | 202 PGRP_LOCK(pg); 203 } else { 204 pg = pgfind(uap->who); 205 if (pg == NULL) { 206 PGRPSESS_SUNLOCK(); 207 break; 208 } 209 } 210 PGRPSESS_SUNLOCK(); |
| 192 LIST_FOREACH(p, &pg->pg_members, p_pglist) { | 211 LIST_FOREACH(p, &pg->pg_members, p_pglist) { |
| 212 PROC_LOCK(p); |
|
| 193 if (!p_cansee(curp, p)) { 194 error = donice(curp, p, uap->prio); 195 found++; 196 } | 213 if (!p_cansee(curp, p)) { 214 error = donice(curp, p, uap->prio); 215 found++; 216 } |
| 217 PROC_UNLOCK(p); |
|
| 197 } | 218 } |
| 219 PGRP_UNLOCK(pg); |
|
| 198 break; 199 } 200 201 case PRIO_USER: 202 if (uap->who == 0) 203 uap->who = curp->p_ucred->cr_uid; 204 sx_slock(&allproc_lock); 205 FOREACH_PROC_IN_SYSTEM(p) { --- 790 unchanged lines hidden --- | 220 break; 221 } 222 223 case PRIO_USER: 224 if (uap->who == 0) 225 uap->who = curp->p_ucred->cr_uid; 226 sx_slock(&allproc_lock); 227 FOREACH_PROC_IN_SYSTEM(p) { --- 790 unchanged lines hidden --- |