2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#pragma weak _msgctl = msgctl
2N/A#pragma weak _msgget = msgget
2N/A#pragma weak _msgids = msgids
2N/A#pragma weak _msgsnap = msgsnap
2N/A
2N/A#include "lint.h"
2N/A#include <sys/types.h>
2N/A#include <sys/ipc.h>
2N/A#include <sys/ipc_impl.h>
2N/A#include <sys/msg.h>
2N/A#include <sys/msg_impl.h>
2N/A#include <sys/syscall.h>
2N/A#include <errno.h>
2N/A#include <limits.h>
2N/A
2N/Aint
2N/Amsgget(key_t key, int msgflg)
2N/A{
2N/A return (syscall(SYS_msgsys, MSGGET, key, msgflg));
2N/A}
2N/A
2N/Aint
2N/Amsgctl(int msqid, int cmd, struct msqid_ds *buf)
2N/A{
2N/A if (cmd == IPC_SET64 || cmd == IPC_STAT64) {
2N/A (void) __set_errno(EINVAL);
2N/A return (-1);
2N/A }
2N/A
2N/A return (syscall(SYS_msgsys, MSGCTL, msqid, cmd, buf));
2N/A}
2N/A
2N/Aint
2N/Amsgctl64(int msqid, int cmd, struct msqid_ds64 *buf)
2N/A{
2N/A if (cmd != IPC_SET64 && cmd != IPC_STAT64) {
2N/A (void) __set_errno(EINVAL);
2N/A return (-1);
2N/A }
2N/A
2N/A return (syscall(SYS_msgsys, MSGCTL, msqid, cmd, buf));
2N/A}
2N/A
2N/Assize_t
2N/A__msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
2N/A{
2N/A if (msgsz > INT_MAX) {
2N/A sysret_t rval;
2N/A int error;
2N/A
2N/A /*
2N/A * We have to use __systemcall here because in the
2N/A * 64-bit case, we need to return a long, while
2N/A * syscall() is doomed to return an int
2N/A */
2N/A error = __systemcall(&rval, SYS_msgsys, MSGRCV, msqid,
2N/A msgp, msgsz, msgtyp, msgflg);
2N/A if (error)
2N/A (void) __set_errno(error);
2N/A return ((ssize_t)rval.sys_rval1);
2N/A }
2N/A return ((ssize_t)syscall(SYS_msgsys, MSGRCV, msqid,
2N/A msgp, msgsz, msgtyp, msgflg));
2N/A}
2N/A
2N/Aint
2N/A__msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg)
2N/A{
2N/A if (msgsz > INT_MAX) {
2N/A sysret_t rval;
2N/A int error;
2N/A
2N/A error = __systemcall(&rval, SYS_msgsys, MSGSND, msqid,
2N/A msgp, msgsz, msgflg);
2N/A if (error)
2N/A (void) __set_errno(error);
2N/A return ((int)rval.sys_rval1);
2N/A }
2N/A return (syscall(SYS_msgsys, MSGSND, msqid, msgp, msgsz, msgflg));
2N/A}
2N/A
2N/Aint
2N/Amsgids(int *buf, uint_t nids, uint_t *pnids)
2N/A{
2N/A return (syscall(SYS_msgsys, MSGIDS, buf, nids, pnids));
2N/A}
2N/A
2N/Aint
2N/Amsgsnap(int msqid, void *buf, size_t bufsz, long msgtyp)
2N/A{
2N/A return (syscall(SYS_msgsys, MSGSNAP, msqid, buf, bufsz, msgtyp));
2N/A}