/*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* $NetBSD: msg.h,v 1.4 1994/06/29 06:44:43 cgd Exp $ */
*
* This software is provided ``AS IS'' without any warranties of any kind.
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
#ifndef _SYS_MSG_H_
#define _SYS_MSG_H_
/* [XSI] Used for the number of bytes allowed in a message queue */
typedef unsigned long msglen_t;
-
/*
* Possible values for the fifth parameter to msgrcv(), in addition to the
* IPC_NOWAIT flag, which is permitted.
* legacy interface there for binary compatibility only. Currently, we
* are only forcing this for programs requesting standards conformance.
*/
-#if defined(__POSIX_C_SOURCE) || defined(kernel) || defined(__LP64__)
+#if __DARWIN_UNIX03 || defined(KERNEL)
+#pragma pack(4)
/*
* Structure used internally.
*
*
* NOTES: Reserved fields are not preserved across IPC_SET/IPC_STAT.
*/
-struct __msqid_ds_new {
+#if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
+struct msqid_ds
+#else
+#define msqid_ds __msqid_ds_new
+struct __msqid_ds_new
+#endif
+{
struct __ipc_perm_new msg_perm; /* [XSI] msg queue permissions */
__int32_t msg_first; /* RESERVED: kernel use only */
__int32_t msg_last; /* RESERVED: kernel use only */
__int32_t msg_pad3; /* RESERVED: DO NOT USE */
__int32_t msg_pad4[4]; /* RESERVED: DO NOT USE */
};
-#define msqid_ds __msqid_ds_new
-#else /* !_POSIX_C_SOURCE */
+#pragma pack()
+#else /* !__DARWIN_UNIX03 */
#define msqid_ds __msqid_ds_old
-#endif /* !_POSIX_C_SOURCE */
+#endif /* !__DARWIN_UNIX03 */
-#if !defined(__POSIX_C_SOURCE) && !defined(__LP64__)
+#if !__DARWIN_UNIX03
struct __msqid_ds_old {
struct __ipc_perm_old msg_perm; /* [XSI] msg queue permissions */
__int32_t msg_first; /* RESERVED: kernel use only */
__int32_t msg_pad3; /* RESERVED: DO NOT USE */
__int32_t msg_pad4[4]; /* RESERVED: DO NOT USE */
};
-#endif /* !_POSIX_C_SOURCE */
+#endif /* !__DARWIN_UNIX03 */
#ifdef KERNEL
#ifdef __APPLE_API_PRIVATE
#include <machine/types.h>
-// LP64todo - should this move?
-
#if __DARWIN_ALIGN_NATURAL
#pragma options align=natural
#endif
+typedef user_ulong_t user_msgqnum_t;
+typedef user64_ulong_t user64_msgqnum_t;
+typedef user32_ulong_t user32_msgqnum_t;
+
+typedef user_ulong_t user_msglen_t;
+typedef user64_ulong_t user64_msglen_t;
+typedef user32_ulong_t user32_msglen_t;
+
+/* kernel version */
struct user_msqid_ds {
struct ipc_perm msg_perm; /* [XSI] msg queue permissions */
struct msg *msg_first; /* first message in the queue */
struct msg *msg_last; /* last message in the queue */
- msglen_t msg_cbytes; /* # of bytes on the queue */
- msgqnum_t msg_qnum; /* [XSI] number of msgs on the queue */
- msglen_t msg_qbytes; /* [XSI] max bytes on the queue */
+ user_msglen_t msg_cbytes; /* # of bytes on the queue */
+ user_msgqnum_t msg_qnum; /* [XSI] number of msgs on the queue */
+ user_msglen_t msg_qbytes; /* [XSI] max bytes on the queue */
pid_t msg_lspid; /* [XSI] pid of last msgsnd() */
pid_t msg_lrpid; /* [XSI] pid of last msgrcv() */
user_time_t msg_stime; /* [XSI] time of last msgsnd() */
__int32_t msg_pad4[4];
};
+/*
+ * user64 version - this structure only has to be correct if
+ * compiled LP64, because the 32 bit kernel doesn't need it
+ */
+struct user64_msqid_ds {
+ struct ipc_perm msg_perm; /* [XSI] msg queue permissions */
+ __int32_t msg_first; /* RESERVED: kernel use only */
+ __int32_t msg_last; /* RESERVED: kernel use only */
+ user64_msglen_t msg_cbytes; /* # of bytes on the queue */
+ user64_msgqnum_t msg_qnum; /* [XSI] number of msgs on the queue */
+ user64_msglen_t msg_qbytes; /* [XSI] max bytes on the queue */
+ pid_t msg_lspid; /* [XSI] pid of last msgsnd() */
+ pid_t msg_lrpid; /* [XSI] pid of last msgrcv() */
+ user64_time_t msg_stime; /* [XSI] time of last msgsnd() */
+ __int32_t msg_pad1; /* RESERVED: DO NOT USE */
+ user64_time_t msg_rtime; /* [XSI] time of last msgrcv() */
+ __int32_t msg_pad2; /* RESERVED: DO NOT USE */
+ user64_time_t msg_ctime; /* [XSI] time of last msgctl() */
+ __int32_t msg_pad3; /* RESERVED: DO NOT USE */
+ __int32_t msg_pad4[4];
+} __attribute__((__packed__));
+
+struct user32_msqid_ds
+{
+ struct __ipc_perm_new msg_perm; /* [XSI] msg queue permissions */
+ __int32_t msg_first; /* RESERVED: kernel use only */
+ __int32_t msg_last; /* RESERVED: kernel use only */
+ user32_msglen_t msg_cbytes; /* # of bytes on the queue */
+ user32_msgqnum_t msg_qnum; /* [XSI] number of msgs on the queue */
+ user32_msglen_t msg_qbytes; /* [XSI] max bytes on the queue */
+ pid_t msg_lspid; /* [XSI] pid of last msgsnd() */
+ pid_t msg_lrpid; /* [XSI] pid of last msgrcv() */
+ user32_time_t msg_stime; /* [XSI] time of last msgsnd() */
+ __int32_t msg_pad1; /* RESERVED: DO NOT USE */
+ user32_time_t msg_rtime; /* [XSI] time of last msgrcv() */
+ __int32_t msg_pad2; /* RESERVED: DO NOT USE */
+ user32_time_t msg_ctime; /* [XSI] time of last msgctl() */
+ __int32_t msg_pad3; /* RESERVED: DO NOT USE */
+ __int32_t msg_pad4[4]; /* RESERVED: DO NOT USE */
+};
+
#if __DARWIN_ALIGN_NATURAL
#pragma options align=reset
#endif
+struct label;
+
+/*
+ * Kernel wrapper for the user-level structure
+ */
+struct msqid_kernel {
+ struct user_msqid_ds u;
+ struct label *label; /* MAC framework label */
+};
+
#endif /* __APPLE_API_PRIVATE */
#endif /* KERNEL */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#ifdef __APPLE_API_UNSTABLE
/* XXX kernel only; protect with macro later */
/* 0 -> free header */
unsigned short msg_ts; /* size of this message */
short msg_spot; /* location of msg start in buffer */
+ struct label *label; /* MAC label */
};
/*
extern char *msgpool; /* MSGMAX byte long msg buffer pool */
extern struct msgmap *msgmaps; /* MSGSEG msgmap structures */
extern struct msg *msghdrs; /* MSGTQL msg headers */
-extern struct user_msqid_ds *msqids; /* MSGMNI user_msqid_ds struct's */
+extern struct msqid_kernel *msqids; /* MSGMNI user_msqid_ds struct's */
#define MSG_LOCKED 01000 /* Is this msqid_ds locked? */
#endif /* KERNEL */
#endif /* __APPLE_API_UNSTABLE */
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#ifndef KERNEL
__BEGIN_DECLS
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
int msgsys(int, ...);
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
int msgctl(int, int, struct msqid_ds *) __DARWIN_ALIAS(msgctl);
int msgget(key_t, int);
-ssize_t msgrcv(int, void *, size_t, long, int);
-int msgsnd(int, const void *, size_t, int);
+ssize_t msgrcv(int, void *, size_t, long, int) __DARWIN_ALIAS_C(msgrcv);
+int msgsnd(int, const void *, size_t, int) __DARWIN_ALIAS_C(msgsnd);
__END_DECLS
#endif /* !KERNEL */
#endif /* !_SYS_MSG_H_ */
+
+
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