OpenSolaris Launch

1 files changed, 144 insertions, 0 deletions

diff --git a/usr/src/uts/common/sys/msg_impl.h b/usr/src/uts/common/sys/msg_impl.h
new file mode 100644
index 0000000000..1f16fdf94f
--- /dev/null
+++ b/usr/src/uts/common/sys/msg_impl.h
@@ -0,0 +1,144 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (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
+ * or http://www.opensolaris.org/os/licensing.
+ * 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 2004 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>
+#if defined(_KERNEL) || defined(_KMEMUSER)
+#include <sys/msg.h>
+#include <sys/t_lock.h>
+#include <sys/list.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
+
+#if defined(_KERNEL) || defined(_KMEMUSER)
+
+/*
+ * There is one msg structure for each message in the system.
+ */
+struct msg {
+	list_node_t	msg_node;	/* message list node */
+	long		msg_type;	/* message type */
+	size_t		msg_size;	/* message text size */
+	void		*msg_addr;	/* message text address */
+	long		msg_flags;	/* message flags */
+	long		msg_copycnt;	/* current # of copyouts on message */
+};
+
+/*
+ * Per message flags
+ */
+#define	MSG_RCVCOPY	00001	/* msgrcv is copying out this message */
+#define	MSG_UNLINKED	00002	/* msg has been unlinked from queue */
+
+typedef struct kmsqid {
+	kipc_perm_t	msg_perm;	/* operation permission struct */
+	list_t		msg_list;	/* list of messages on q */
+	msglen_t	msg_cbytes;	/* current # bytes on q */
+	msgqnum_t	msg_qnum;	/* # of messages on q */
+	msgqnum_t	msg_qmax;	/* max # of messages on q */
+	msglen_t	msg_qbytes;	/* max # of bytes on q */
+	pid_t		msg_lspid;	/* pid of last msgsnd */
+	pid_t		msg_lrpid;	/* pid of last msgrcv */
+	time_t		msg_stime;	/* last msgsnd time */
+	time_t		msg_rtime;	/* last msgrcv time */
+	time_t		msg_ctime;	/* last change time */
+	uint64_t	msg_snd_cnt;	/* # of waiting senders */
+	uint64_t	msg_rcv_cnt;	/* # of waiting receivers */
+	kcondvar_t	msg_snd_cv;
+	kcondvar_t	msg_rcv_cv;
+} kmsqid_t;
+
+#endif	/* _KERNEL */
+
+#if defined(_SYSCALL32)
+/*
+ * LP64 view of the ILP32 msgbuf structure
+ */
+struct ipcmsgbuf32 {
+	int32_t	mtype;		/* message type */
+	char	mtext[1];	/* message text */
+};
+
+/*
+ * LP64 view of the ILP32 msgsnap_head and msgsnap_mhead structures
+ */
+struct msgsnap_head32 {
+	size32_t msgsnap_size;	/* bytes consumed/required in the buffer */
+	size32_t msgsnap_nmsg;	/* number of messages in the buffer */
+};
+
+struct msgsnap_mhead32 {
+	size32_t msgsnap_mlen;	/* number of bytes in message that follows */
+	int32_t	msgsnap_mtype;	/* message type */
+};
+
+/*
+ * LP64 view of the ILP32 msqid_ds structure
+ */
+struct msqid_ds32 {
+	struct ipc_perm32 msg_perm;	/* operation permission struct */
+	caddr32_t	msg_first;	/* ptr to first message on q */
+	caddr32_t	msg_last;	/* ptr to last message on q */
+	uint32_t	msg_cbytes;	/* current # bytes on q */
+	uint32_t	msg_qnum;	/* # of messages on q */
+	uint32_t	msg_qbytes;	/* max # of bytes on q */
+	pid32_t		msg_lspid;	/* pid of last msgsnd */
+	pid32_t		msg_lrpid;	/* pid of last msgrcv */
+	time32_t	msg_stime;	/* last msgsnd time */
+	int32_t		msg_pad1;	/* reserved for time_t expansion */
+	time32_t	msg_rtime;	/* last msgrcv time */
+	int32_t		msg_pad2;	/* time_t expansion */
+	time32_t	msg_ctime;	/* last change time */
+	int32_t		msg_pad3;	/* time expansion */
+	int16_t		msg_cv;
+	int16_t		msg_qnum_cv;
+	int32_t		msg_pad4[3];	/* reserve area */
+};
+#endif	/* _SYSCALL32 */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_MSG_IMPL_H */