X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..7ee9d059c4eecf68ae4f8b0fb99ae2471eda79af:/bsd/sys/shm.h

diff --git a/bsd/sys/shm.h b/bsd/sys/shm.h
index feb50f426..e7a3a4b58 100644
--- a/bsd/sys/shm.h
+++ b/bsd/sys/shm.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2002 Apple Computer, 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: shm.h,v 1.15 1994/06/29 06:45:17 cgd Exp $	*/
 
@@ -129,13 +127,15 @@ typedef unsigned short	shmatt_t;
 #define SHM_R       (IPC_R)
 #define SHM_W       (IPC_W)
 
+#pragma pack(4)
+
 /*
  * Technically, we should force all code references to the new structure
  * definition, not in just the standards conformance case, and leave the
  * 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)
 /*
  * Structure used internally.
  * 
@@ -143,44 +143,51 @@ typedef unsigned short	shmatt_t;
  * the third argment to shmctl().
  *
  * NOTE:	The field shm_internal is not meaningful in user space,
- *		and mst not be used there.
+ *		and must not be used there.
  */
-struct __shmid_ds_new {
+#if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
+struct shmid_ds
+#else
+#define	shmid_ds	__shmid_ds_new
+struct __shmid_ds_new
+#endif
+{
 	struct __ipc_perm_new shm_perm;	/* [XSI] Operation permission value */
 	size_t		shm_segsz;	/* [XSI] Size of segment in bytes */
 	pid_t		shm_lpid;	/* [XSI] PID of last shared memory op */
 	pid_t		shm_cpid;	/* [XSI] PID of creator */
-	short		shm_nattch;	/* [XSI] Number of current attaches */
+	shmatt_t	shm_nattch;	/* [XSI] Number of current attaches */
 	time_t		shm_atime;	/* [XSI] Time of last shmat() */
 	time_t		shm_dtime;	/* [XSI] Time of last shmdt() */
 	time_t		shm_ctime;	/* [XSI] Time of last shmctl() change */
 	void		*shm_internal;	/* reserved for kernel use */
 };
-#define	shmid_ds	__shmid_ds_new
-#else	/* !_POSIX_C_SOURCE */
+#else	/* !__DARWIN_UNIX03 */
 #define	shmid_ds	__shmid_ds_old
-#endif	/* !_POSIX_C_SOURCE */
+#endif	/* !__DARWIN_UNIX03 */
 
-#if !defined(__POSIX_C_SOURCE) && !defined(__LP64__)
+#if !__DARWIN_UNIX03
 struct __shmid_ds_old {
 	struct __ipc_perm_old shm_perm;	/* [XSI] Operation permission value */
 	size_t		shm_segsz;	/* [XSI] Size of segment in bytes */
 	pid_t		shm_lpid;	/* [XSI] PID of last shared memory op */
 	pid_t		shm_cpid;	/* [XSI] PID of creator */
-	short		shm_nattch;	/* [XSI] Number of current attaches */
+	shmatt_t	shm_nattch;	/* [XSI] Number of current attaches */
 	time_t		shm_atime;	/* [XSI] Time of last shmat() */
 	time_t		shm_dtime;	/* [XSI] Time of last shmdt() */
 	time_t		shm_ctime;	/* [XSI] Time of last shmctl() change */
 	void		*shm_internal;	/* reserved for kernel use */
 };
-#endif	/* !_POSIX_C_SOURCE */
+#endif	/* !__DARWIN_UNIX03 */
+
+#pragma pack()
 
 #ifndef KERNEL
 
 __BEGIN_DECLS
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 int	shmsys(int, ...);
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 void	*shmat (int, const void *, int);
 int	shmctl(int, int, struct shmid_ds *) __DARWIN_ALIAS(shmctl);
 int	shmdt(const void *);