/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <sys/filedesc.h>
#include <sys/file.h>
+#include <sys/kern_audit.h>
+#include <sys/sysctl.h>
/*#include <sys/sysproto.h>*/
/*#include <sys/sysent.h>*/
/* Didn't find the right entry - create it */
if (adjval == 0)
return(0);
- if (suptr->un_cnt != seminfo.semume) {
+ if (suptr->un_cnt != limitseminfo.semume) {
sunptr = &suptr->un_ent[suptr->un_cnt];
suptr->un_cnt++;
sunptr->un_adjval = adjval;
struct semid_ds sbuf;
register struct semid_ds *semaptr;
+ AUDIT_ARG(svipc_cmd, cmd);
+ AUDIT_ARG(svipc_id, semid);
SUBSYSTEM_LOCK_AQUIRE(p);
#ifdef SEM_DEBUG
printf("call to semctl(%d, %d, %d, 0x%x)\n", semid, semnum, cmd, arg);
#endif
semid = IPCID_TO_IX(semid);
- if (semid < 0 || semid >= seminfo.semmsl)
+ if (semid < 0 || semid >= seminfo.semmni)
{
#ifdef SEM_DEBUG
printf("Invalid semid\n");
printf("need to allocate an id for the request\n");
#endif
if (key == IPC_PRIVATE || (semflg & IPC_CREAT)) {
- if (nsems <= 0 || nsems > seminfo.semmsl) {
+ if (nsems <= 0 || nsems > limitseminfo.semmsl) {
#ifdef SEM_DEBUG
printf("nsems out of range (0<%d<=%d)\n", nsems,
seminfo.semmsl);
found:
*retval = IXSEQ_TO_IPCID(semid, sema[semid].sem_perm);
+ AUDIT_ARG(svipc_id, *retval);
#ifdef SEM_DEBUG
printf("semget is done, returning %d\n", *retval);
#endif
int i, j, eval;
int do_wakeup, do_undos;
+ AUDIT_ARG(svipc_id, uap->semid);
SUBSYSTEM_LOCK_AQUIRE(p);
#ifdef SEM_DEBUG
printf("call to semop(%d, 0x%x, %d)\n", semid, sops, nsops);
semid = IPCID_TO_IX(semid); /* Convert back to zero origin */
- if (semid < 0 || semid >= seminfo.semmsl)
+ if (semid < 0 || semid >= seminfo.semmni)
UNLOCK_AND_RETURN(EINVAL);
semaptr = &sema[semid];
SUBSYSTEM_LOCK_RELEASE;
}
+/* (struct sysctl_oid *oidp, void *arg1, int arg2, \
+ struct sysctl_req *req) */
+static int
+sysctl_seminfo SYSCTL_HANDLER_ARGS
+{
+ int error = 0;
+
+ error = SYSCTL_OUT(req, arg1, sizeof(int));
+ if (error || !req->newptr)
+ return(error);
+
+ SUBSYSTEM_LOCK_AQUIRE(current_proc());
+ /* Set the values only if shared memory is not initialised */
+ if ((sem == (struct sem *) 0) &&
+ (sema == (struct semid_ds *) 0) &&
+ (semu == (struct semid_ds *) 0) &&
+ (semu_list == (struct sem_undo *) 0)) {
+ if (error = SYSCTL_IN(req, arg1, sizeof(int))) {
+ goto out;
+ }
+ } else
+ error = EINVAL;
+out:
+ SUBSYSTEM_LOCK_RELEASE;
+ return(error);
+
+}
+
+/* SYSCTL_NODE(_kern, KERN_SYSV, sysv, CTLFLAG_RW, 0, "SYSV"); */
+extern struct sysctl_oid_list sysctl__kern_sysv_children;
+SYSCTL_PROC(_kern_sysv, KSYSV_SEMMNI, semmni, CTLTYPE_INT | CTLFLAG_RW,
+ &limitseminfo.semmni, 0, &sysctl_seminfo ,"I","semmni");
+
+SYSCTL_PROC(_kern_sysv, KSYSV_SEMMNS, semmns, CTLTYPE_INT | CTLFLAG_RW,
+ &limitseminfo.semmns, 0, &sysctl_seminfo ,"I","semmns");
+
+SYSCTL_PROC(_kern_sysv, KSYSV_SEMMNU, semmnu, CTLTYPE_INT | CTLFLAG_RW,
+ &limitseminfo.semmnu, 0, &sysctl_seminfo ,"I","semmnu");
+
+SYSCTL_PROC(_kern_sysv, KSYSV_SEMMSL, semmsl, CTLTYPE_INT | CTLFLAG_RW,
+ &limitseminfo.semmsl, 0, &sysctl_seminfo ,"I","semmsl");
+
+SYSCTL_PROC(_kern_sysv, KSYSV_SEMUNE, semume, CTLTYPE_INT | CTLFLAG_RW,
+ &limitseminfo.semume, 0, &sysctl_seminfo ,"I","semume");
+
projects / apple / xnu.git / blobdiff