msg_impl.h revision b2eb1770e05377d3b46c691c5721f32915d57f58
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_MSG_IMPL_H
#define _SYS_MSG_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/ipc_impl.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Argument vectors for the various flavors of msgsys().
*/
#define MSGGET 0
#define MSGCTL 1
#define MSGRCV 2
#define MSGSND 3
#define MSGIDS 4
#define MSGSNAP 5
/*
* There is one msg structure for each message in the system.
*/
struct msg {
long msg_type; /* message type */
void *msg_addr; /* message text address */
long msg_flags; /* message flags */
long msg_copycnt; /* current # of copyouts on message */
};
/*
* Per message flags
*/
/*
* msg_rcv_cv is now an array of kcondvar_t for performance reason.
* We use multiple condition variables (kcondvar_t) to avoid needing
* to wake all readers when sending a single message.
*/
#define MAX_QNUM 63
#define MAX_QNUM_CV 64
typedef struct kmsqid {
} kmsqid_t;
#endif /* _KERNEL */
#if defined(_SYSCALL32)
/*
* LP64 view of the ILP32 msgbuf structure
*/
struct ipcmsgbuf32 {
};
/*
* LP64 view of the ILP32 msgsnap_head and msgsnap_mhead structures
*/
struct msgsnap_head32 {
};
struct msgsnap_mhead32 {
};
/*
* LP64 view of the ILP32 msqid_ds structure
*/
struct msqid_ds32 {
};
#endif /* _SYSCALL32 */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MSG_IMPL_H */