17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5a574db85Sraf * Common Development and Distribution License (the "License").
6a574db85Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
21a574db85Sraf
227c478bd9Sstevel@tonic-gate /*
23a574db85Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
30*7257d1b4Sraf #pragma weak _msgctl = msgctl
31*7257d1b4Sraf #pragma weak _msgget = msgget
32*7257d1b4Sraf #pragma weak _msgids = msgids
33*7257d1b4Sraf #pragma weak _msgsnap = msgsnap
347c478bd9Sstevel@tonic-gate
35*7257d1b4Sraf #include "lint.h"
367c478bd9Sstevel@tonic-gate #include <sys/types.h>
377c478bd9Sstevel@tonic-gate #include <sys/ipc.h>
387c478bd9Sstevel@tonic-gate #include <sys/ipc_impl.h>
397c478bd9Sstevel@tonic-gate #include <sys/msg.h>
407c478bd9Sstevel@tonic-gate #include <sys/msg_impl.h>
417c478bd9Sstevel@tonic-gate #include <sys/syscall.h>
427c478bd9Sstevel@tonic-gate #include <errno.h>
437c478bd9Sstevel@tonic-gate #include <limits.h>
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate int
msgget(key_t key,int msgflg)467c478bd9Sstevel@tonic-gate msgget(key_t key, int msgflg)
477c478bd9Sstevel@tonic-gate {
487c478bd9Sstevel@tonic-gate return (syscall(SYS_msgsys, MSGGET, key, msgflg));
497c478bd9Sstevel@tonic-gate }
507c478bd9Sstevel@tonic-gate
517c478bd9Sstevel@tonic-gate int
msgctl(int msqid,int cmd,struct msqid_ds * buf)527c478bd9Sstevel@tonic-gate msgctl(int msqid, int cmd, struct msqid_ds *buf)
537c478bd9Sstevel@tonic-gate {
547c478bd9Sstevel@tonic-gate if (cmd == IPC_SET64 || cmd == IPC_STAT64) {
557c478bd9Sstevel@tonic-gate (void) __set_errno(EINVAL);
567c478bd9Sstevel@tonic-gate return (-1);
577c478bd9Sstevel@tonic-gate }
587c478bd9Sstevel@tonic-gate
597c478bd9Sstevel@tonic-gate return (syscall(SYS_msgsys, MSGCTL, msqid, cmd, buf));
607c478bd9Sstevel@tonic-gate }
617c478bd9Sstevel@tonic-gate
627c478bd9Sstevel@tonic-gate int
msgctl64(int msqid,int cmd,struct msqid_ds64 * buf)637c478bd9Sstevel@tonic-gate msgctl64(int msqid, int cmd, struct msqid_ds64 *buf)
647c478bd9Sstevel@tonic-gate {
657c478bd9Sstevel@tonic-gate if (cmd != IPC_SET64 && cmd != IPC_STAT64) {
667c478bd9Sstevel@tonic-gate (void) __set_errno(EINVAL);
677c478bd9Sstevel@tonic-gate return (-1);
687c478bd9Sstevel@tonic-gate }
697c478bd9Sstevel@tonic-gate
707c478bd9Sstevel@tonic-gate return (syscall(SYS_msgsys, MSGCTL, msqid, cmd, buf));
717c478bd9Sstevel@tonic-gate }
727c478bd9Sstevel@tonic-gate
737c478bd9Sstevel@tonic-gate ssize_t
__msgrcv(int msqid,void * msgp,size_t msgsz,long msgtyp,int msgflg)74a574db85Sraf __msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
757c478bd9Sstevel@tonic-gate {
767c478bd9Sstevel@tonic-gate if (msgsz > INT_MAX) {
777c478bd9Sstevel@tonic-gate sysret_t rval;
787c478bd9Sstevel@tonic-gate int error;
797c478bd9Sstevel@tonic-gate
807c478bd9Sstevel@tonic-gate /*
817c478bd9Sstevel@tonic-gate * We have to use __systemcall here because in the
827c478bd9Sstevel@tonic-gate * 64-bit case, we need to return a long, while
837c478bd9Sstevel@tonic-gate * syscall() is doomed to return an int
847c478bd9Sstevel@tonic-gate */
857c478bd9Sstevel@tonic-gate error = __systemcall(&rval, SYS_msgsys, MSGRCV, msqid,
867c478bd9Sstevel@tonic-gate msgp, msgsz, msgtyp, msgflg);
877c478bd9Sstevel@tonic-gate if (error)
887c478bd9Sstevel@tonic-gate (void) __set_errno(error);
897c478bd9Sstevel@tonic-gate return ((ssize_t)rval.sys_rval1);
907c478bd9Sstevel@tonic-gate }
917c478bd9Sstevel@tonic-gate return ((ssize_t)syscall(SYS_msgsys, MSGRCV, msqid,
927c478bd9Sstevel@tonic-gate msgp, msgsz, msgtyp, msgflg));
937c478bd9Sstevel@tonic-gate }
947c478bd9Sstevel@tonic-gate
957c478bd9Sstevel@tonic-gate int
__msgsnd(int msqid,const void * msgp,size_t msgsz,int msgflg)96a574db85Sraf __msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg)
977c478bd9Sstevel@tonic-gate {
987c478bd9Sstevel@tonic-gate if (msgsz > INT_MAX) {
997c478bd9Sstevel@tonic-gate sysret_t rval;
1007c478bd9Sstevel@tonic-gate int error;
1017c478bd9Sstevel@tonic-gate
1027c478bd9Sstevel@tonic-gate error = __systemcall(&rval, SYS_msgsys, MSGSND, msqid,
1037c478bd9Sstevel@tonic-gate msgp, msgsz, msgflg);
1047c478bd9Sstevel@tonic-gate if (error)
1057c478bd9Sstevel@tonic-gate (void) __set_errno(error);
1067c478bd9Sstevel@tonic-gate return ((int)rval.sys_rval1);
1077c478bd9Sstevel@tonic-gate }
1087c478bd9Sstevel@tonic-gate return (syscall(SYS_msgsys, MSGSND, msqid, msgp, msgsz, msgflg));
1097c478bd9Sstevel@tonic-gate }
1107c478bd9Sstevel@tonic-gate
1117c478bd9Sstevel@tonic-gate int
msgids(int * buf,uint_t nids,uint_t * pnids)1127c478bd9Sstevel@tonic-gate msgids(int *buf, uint_t nids, uint_t *pnids)
1137c478bd9Sstevel@tonic-gate {
1147c478bd9Sstevel@tonic-gate return (syscall(SYS_msgsys, MSGIDS, buf, nids, pnids));
1157c478bd9Sstevel@tonic-gate }
1167c478bd9Sstevel@tonic-gate
1177c478bd9Sstevel@tonic-gate int
msgsnap(int msqid,void * buf,size_t bufsz,long msgtyp)1187c478bd9Sstevel@tonic-gate msgsnap(int msqid, void *buf, size_t bufsz, long msgtyp)
1197c478bd9Sstevel@tonic-gate {
1207c478bd9Sstevel@tonic-gate return (syscall(SYS_msgsys, MSGSNAP, msqid, buf, bufsz, msgtyp));
1217c478bd9Sstevel@tonic-gate }
122