| 1 | /* $NetBSD: msg.h,v 1.4 2009/01/19 19:39:41 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * SVID compatible msg.h file |
| 5 | * |
| 6 | * Author: Daniel Boulet |
| 7 | * |
| 8 | * Copyright 1993 Daniel Boulet and RTMX Inc. |
| 9 | * |
| 10 | * This system call was implemented by Daniel Boulet under contract from RTMX. |
| 11 | * |
| 12 | * Redistribution and use in source forms, with and without modification, |
| 13 | * are permitted provided that this entire comment appears intact. |
| 14 | * |
| 15 | * Redistribution in binary form may occur without any restrictions. |
| 16 | * Obviously, it would be nice if you gave credit where credit is due |
| 17 | * but requiring it would be too onerous. |
| 18 | * |
| 19 | * This software is provided ``AS IS'' without any warranties of any kind. |
| 20 | */ |
| 21 | |
| 22 | #ifndef _COMPAT_SYS_MSG_H_ |
| 23 | #define _COMPAT_SYS_MSG_H_ |
| 24 | |
| 25 | #include <compat/sys/ipc.h> |
| 26 | /* |
| 27 | * Old message queue data structure used before NetBSD 1.5. |
| 28 | */ |
| 29 | struct msqid_ds14 { |
| 30 | struct ipc_perm14 msg_perm; /* msg queue permission bits */ |
| 31 | struct __msg *msg_first; /* first message in the queue */ |
| 32 | struct __msg *msg_last; /* last message in the queue */ |
| 33 | u_long msg_cbytes; /* number of bytes in use on the queue */ |
| 34 | u_long msg_qnum; /* number of msgs in the queue */ |
| 35 | u_long msg_qbytes; /* max # of bytes on the queue */ |
| 36 | pid_t msg_lspid; /* pid of last msgsnd() */ |
| 37 | pid_t msg_lrpid; /* pid of last msgrcv() */ |
| 38 | int32_t msg_stime; /* time of last msgsnd() */ |
| 39 | long msg_pad1; |
| 40 | int32_t msg_rtime; /* time of last msgrcv() */ |
| 41 | long msg_pad2; |
| 42 | int32_t msg_ctime; /* time of last msgctl() */ |
| 43 | long msg_pad3; |
| 44 | long msg_pad4[4]; |
| 45 | }; |
| 46 | |
| 47 | struct msqid_ds13 { |
| 48 | struct ipc_perm msg_perm; /* operation permission strucure */ |
| 49 | msgqnum_t msg_qnum; /* number of messages in the queue */ |
| 50 | msglen_t msg_qbytes; /* max # of bytes in the queue */ |
| 51 | pid_t msg_lspid; /* process ID of last msgsend() */ |
| 52 | pid_t msg_lrpid; /* process ID of last msgrcv() */ |
| 53 | int32_t msg_stime; /* time of last msgsend() */ |
| 54 | int32_t msg_rtime; /* time of last msgrcv() */ |
| 55 | int32_t msg_ctime; /* time of last change */ |
| 56 | |
| 57 | /* |
| 58 | * These members are private and used only in the internal |
| 59 | * implementation of this interface. |
| 60 | */ |
| 61 | struct __msg *_msg_first; /* first message in the queue */ |
| 62 | struct __msg *_msg_last; /* last message in the queue */ |
| 63 | msglen_t _msg_cbytes; /* # of bytes currently in queue */ |
| 64 | }; |
| 65 | |
| 66 | /* Warning: 64-bit structure padding is needed here */ |
| 67 | struct msgid_ds_sysctl50 { |
| 68 | struct ipc_perm_sysctl msg_perm; |
| 69 | uint64_t msg_qnum; |
| 70 | uint64_t msg_qbytes; |
| 71 | uint64_t _msg_cbytes; |
| 72 | pid_t msg_lspid; |
| 73 | pid_t msg_lrpid; |
| 74 | int32_t msg_stime; |
| 75 | int32_t msg_rtime; |
| 76 | int32_t msg_ctime; |
| 77 | int32_t pad; |
| 78 | }; |
| 79 | struct msg_sysctl_info50 { |
| 80 | struct msginfo msginfo; |
| 81 | struct msgid_ds_sysctl50 msgids[1]; |
| 82 | }; |
| 83 | |
| 84 | __BEGIN_DECLS |
| 85 | static __inline void __msqid_ds14_to_native(const struct msqid_ds14 *, struct msqid_ds *); |
| 86 | static __inline void __native_to_msqid_ds14(const struct msqid_ds *, struct msqid_ds14 *); |
| 87 | static __inline void __msqid_ds13_to_native(const struct msqid_ds13 *, struct msqid_ds *); |
| 88 | static __inline void __native_to_msqid_ds13(const struct msqid_ds *, struct msqid_ds13 *); |
| 89 | |
| 90 | static __inline void |
| 91 | __msqid_ds13_to_native(const struct msqid_ds13 *omsqbuf, struct msqid_ds *msqbuf) |
| 92 | { |
| 93 | |
| 94 | msqbuf->msg_perm = omsqbuf->msg_perm; |
| 95 | |
| 96 | #define CVT(x) msqbuf->x = omsqbuf->x |
| 97 | CVT(msg_qnum); |
| 98 | CVT(msg_qbytes); |
| 99 | CVT(msg_lspid); |
| 100 | CVT(msg_lrpid); |
| 101 | CVT(msg_stime); |
| 102 | CVT(msg_rtime); |
| 103 | CVT(msg_ctime); |
| 104 | #undef CVT |
| 105 | } |
| 106 | |
| 107 | static __inline void |
| 108 | __native_to_msqid_ds13(const struct msqid_ds *msqbuf, struct msqid_ds13 *omsqbuf) |
| 109 | { |
| 110 | |
| 111 | omsqbuf->msg_perm = msqbuf->msg_perm; |
| 112 | |
| 113 | #define CVT(x) omsqbuf->x = msqbuf->x |
| 114 | #define CVTI(x) omsqbuf->x = (int)msqbuf->x |
| 115 | CVT(msg_qnum); |
| 116 | CVT(msg_qbytes); |
| 117 | CVT(msg_lspid); |
| 118 | CVT(msg_lrpid); |
| 119 | CVTI(msg_stime); |
| 120 | CVTI(msg_rtime); |
| 121 | CVTI(msg_ctime); |
| 122 | #undef CVT |
| 123 | #undef CVTI |
| 124 | |
| 125 | /* |
| 126 | * Not part of the API, but some programs might look at it. |
| 127 | */ |
| 128 | omsqbuf->_msg_cbytes = msqbuf->_msg_cbytes; |
| 129 | } |
| 130 | |
| 131 | static __inline void |
| 132 | __msqid_ds14_to_native(const struct msqid_ds14 *omsqbuf, struct msqid_ds *msqbuf) |
| 133 | { |
| 134 | |
| 135 | __ipc_perm14_to_native(&omsqbuf->msg_perm, &msqbuf->msg_perm); |
| 136 | |
| 137 | #define CVT(x) msqbuf->x = omsqbuf->x |
| 138 | CVT(msg_qnum); |
| 139 | CVT(msg_qbytes); |
| 140 | CVT(msg_lspid); |
| 141 | CVT(msg_lrpid); |
| 142 | CVT(msg_stime); |
| 143 | CVT(msg_rtime); |
| 144 | CVT(msg_ctime); |
| 145 | #undef CVT |
| 146 | } |
| 147 | |
| 148 | static __inline void |
| 149 | __native_to_msqid_ds14(const struct msqid_ds *msqbuf, struct msqid_ds14 *omsqbuf) |
| 150 | { |
| 151 | |
| 152 | __native_to_ipc_perm14(&msqbuf->msg_perm, &omsqbuf->msg_perm); |
| 153 | |
| 154 | #define CVT(x) omsqbuf->x = msqbuf->x |
| 155 | #define CVTI(x) omsqbuf->x = (int)msqbuf->x |
| 156 | CVT(msg_qnum); |
| 157 | CVT(msg_qbytes); |
| 158 | CVT(msg_lspid); |
| 159 | CVT(msg_lrpid); |
| 160 | CVTI(msg_stime); |
| 161 | CVTI(msg_rtime); |
| 162 | CVTI(msg_ctime); |
| 163 | #undef CVT |
| 164 | #undef CVTI |
| 165 | } |
| 166 | |
| 167 | int __msgctl13(int, int, struct msqid_ds13 *); |
| 168 | int __msgctl14(int, int, struct msqid_ds14 *); |
| 169 | int __msgctl50(int, int, struct msqid_ds *); |
| 170 | __END_DECLS |
| 171 | |
| 172 | #endif /* !_COMPAT_SYS_MSG_H_ */ |
| 173 | |