1 /* $NetBSD: sysv_msg_14.c,v 1.1 1999/08/25 04:47:12 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/signal.h> 43 #include <sys/proc.h> 44 #include <sys/mount.h> 45 #include <sys/msg.h> 46 47 #define SYSVMSG 48 49 #include <sys/syscallargs.h> 50 51 void 52 msqid_ds14_to_native(omsqbuf, msqbuf) 53 struct msqid_ds14 *omsqbuf; 54 struct msqid_ds *msqbuf; 55 { 56 57 ipc_perm14_to_native(&omsqbuf->msg_perm, &msqbuf->msg_perm); 58 59 #define CVT(x) msqbuf->x = omsqbuf->x 60 CVT(msg_qnum); 61 CVT(msg_qbytes); 62 CVT(msg_lspid); 63 CVT(msg_lrpid); 64 CVT(msg_stime); 65 CVT(msg_rtime); 66 CVT(msg_ctime); 67 #undef CVT 68 } 69 70 void 71 native_to_msqid_ds14(msqbuf, omsqbuf) 72 struct msqid_ds *msqbuf; 73 struct msqid_ds14 *omsqbuf; 74 { 75 76 native_to_ipc_perm14(&msqbuf->msg_perm, &omsqbuf->msg_perm); 77 78 #define CVT(x) omsqbuf->x = msqbuf->x 79 CVT(msg_qnum); 80 CVT(msg_qbytes); 81 CVT(msg_lspid); 82 CVT(msg_lrpid); 83 CVT(msg_stime); 84 CVT(msg_rtime); 85 CVT(msg_ctime); 86 #undef CVT 87 88 /* 89 * Not part of the API, but some programs might look at it. 90 */ 91 omsqbuf->msg_cbytes = msqbuf->_msg_cbytes; 92 } 93 94 int 95 compat_14_sys_msgctl(p, v, retval) 96 struct proc *p; 97 void *v; 98 register_t *retval; 99 { 100 struct compat_14_sys_msgctl_args /* { 101 syscallarg(int) msqid; 102 syscallarg(int) cmd; 103 syscallarg(struct msqid_ds14 *) buf; 104 } */ *uap = v; 105 struct msqid_ds msqbuf; 106 struct msqid_ds14 omsqbuf; 107 int cmd, error; 108 109 cmd = SCARG(uap, cmd); 110 111 if (cmd == IPC_SET) { 112 error = copyin(SCARG(uap, buf), &omsqbuf, sizeof(omsqbuf)); 113 if (error) 114 return (error); 115 msqid_ds14_to_native(&omsqbuf, &msqbuf); 116 } 117 118 error = msgctl1(p, SCARG(uap, msqid), cmd, 119 (cmd == IPC_SET || cmd == IPC_STAT) ? &msqbuf : NULL); 120 121 if (error == 0 && cmd == IPC_STAT) { 122 native_to_msqid_ds14(&msqbuf, &omsqbuf); 123 error = copyout(&omsqbuf, SCARG(uap, buf), sizeof(omsqbuf)); 124 } 125 126 return (error); 127 } 128