1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984 AT&T */
28 /* All Rights Reserved */
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #include <sys/syscall.h>
33 #include <stdarg.h>
34 #include <sys/types.h>
35 #include <sys/ipc.h>
36 #include <sys/msg.h>
37
38
39 /* msgsys dispatch argument */
40 #define MSGGET 0
41 #define MSGCTL 1
42 #define MSGRCV 2
43 #define MSGSND 3
44
45 int
msgget(key_t key,int msgflg)46 msgget(key_t key, int msgflg)
47 {
48 return (_syscall(SYS_msgsys, MSGGET, key, msgflg));
49 }
50
51 int
msgctl(int msqid,int cmd,struct msqid_ds * buf)52 msgctl(int msqid, int cmd, struct msqid_ds *buf)
53 {
54 return (_syscall(SYS_msgsys, MSGCTL, msqid, cmd, buf));
55 }
56
57 int
msgrcv(int msqid,struct msgbuf * msgp,int msgsz,long msgtyp,int msgflg)58 msgrcv(int msqid, struct msgbuf *msgp, int msgsz, long msgtyp, int msgflg)
59 {
60 return (_syscall(SYS_msgsys, MSGRCV,
61 msqid, msgp, msgsz, msgtyp, msgflg));
62 }
63
64 int
msgsnd(int msqid,struct msgbuf * msgp,int msgsz,int msgflg)65 msgsnd(int msqid, struct msgbuf *msgp, int msgsz, int msgflg)
66 {
67 return (_syscall(SYS_msgsys, MSGSND,
68 msqid, msgp, msgsz, msgflg));
69 }
70
71 int
msgsys(int sysnum,...)72 msgsys(int sysnum, ...)
73 {
74 va_list ap;
75 key_t key;
76 int msgflg;
77 int msgflag;
78 int msqid, cmd;
79 struct msqid_ds *buf;
80 struct msgbuf *msgp;
81 int msgsz;
82 long msgtyp;
83
84 va_start(ap, sysnum);
85 switch (sysnum) {
86 case MSGGET:
87 key = va_arg(ap, key_t);
88 msgflag = va_arg(ap, int);
89 va_end(ap);
90 return (msgget(key, msgflag));
91 case MSGCTL:
92 msqid = va_arg(ap, int);
93 cmd = va_arg(ap, int);
94 buf = va_arg(ap, struct msqid_ds *);
95 va_end(ap);
96 return (msgctl(msqid, cmd, buf));
97 case MSGRCV:
98 msqid = va_arg(ap, int);
99 msgp = va_arg(ap, struct msgbuf *);
100 msgsz = va_arg(ap, int);
101 msgtyp = va_arg(ap, long);
102 msgflg = va_arg(ap, int);
103 va_end(ap);
104 return (msgrcv(msqid, msgp, msgsz, msgtyp, msgflg));
105 case MSGSND:
106 msqid = va_arg(ap, int);
107 msgp = va_arg(ap, struct msgbuf *);
108 msgsz = va_arg(ap, int);
109 msgflg = va_arg(ap, int);
110 va_end(ap);
111 return (msgsnd(msqid, msgp, msgsz, msgflg));
112 }
113 va_end(ap);
114 return (-1);
115 }
116