xnu-1228.tar.gz

[apple/xnu.git] / bsd / sys / unistd.h

diff --git a/bsd/sys/unistd.h b/bsd/sys/unistd.h
index cd04588131f955e73419a4223f0a151ea6fc6c58..d80b3bbd370746789c50a3f2348755b050bc5b26 100644 (file)
--- a/bsd/sys/unistd.h
+++ b/bsd/sys/unistd.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000 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@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
@@ -66,6 +64,8 @@
 #ifndef _SYS_UNISTD_H_
 #define        _SYS_UNISTD_H_
 
+#include <sys/cdefs.h>
+
 /*
  * Although we have saved user/group IDs, we do not use them in setuid
  * as described in POSIX 1003.1, because the feature does not work for
@@ -93,7 +93,7 @@
 #define        W_OK            (1<<1)  /* test for write permission */
 #define        R_OK            (1<<2)  /* test for read permission */
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 /*
  * Extended access functions.
  * Note that we depend on these matching the definitions in sys/kauth.h,
@@ -127,16 +127,16 @@
 #define        SEEK_END        2       /* set file offset to EOF plus offset */
 #endif /* !SEEK_SET */
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 /* whence values for lseek(2); renamed by POSIX 1003.1 */
 #define        L_SET           SEEK_SET
 #define        L_INCR          SEEK_CUR
 #define        L_XTND          SEEK_END
 #endif
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 struct accessx_descriptor {
-       unsigned ad_name_offset;
+       unsigned int ad_name_offset;
        int ad_flags;
        int ad_pad[2];
 };
@@ -155,7 +155,7 @@ struct accessx_descriptor {
 #define        _PC_NO_TRUNC             8
 #define        _PC_VDISABLE             9
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define        _PC_NAME_CHARS_MAX       10
 #define        _PC_CASE_SENSITIVE               11
 #define        _PC_CASE_PRESERVING              12
@@ -163,6 +163,18 @@ struct accessx_descriptor {
 #define _PC_AUTH_OPAQUE_NP      14
 #endif
 
+#define        _PC_2_SYMLINKS          15      /* Symlink supported in directory */
+#define        _PC_ALLOC_SIZE_MIN      16      /* Minimum storage actually allocated */
+#define        _PC_ASYNC_IO            17      /* Async I/O [AIO] supported? */
+#define        _PC_FILESIZEBITS        18      /* # of bits to represent file size */
+#define        _PC_PRIO_IO             19      /* Priority I/O [PIO] supported? */
+#define        _PC_REC_INCR_XFER_SIZE  20      /* Recommended increment for next two */
+#define        _PC_REC_MAX_XFER_SIZE   21      /* Recommended max file transfer size */
+#define        _PC_REC_MIN_XFER_SIZE   22      /* Recommended min file transfer size */
+#define        _PC_REC_XFER_ALIGN      23      /* Recommended buffer alignment */
+#define        _PC_SYMLINK_MAX         24      /* Max # of bytes in symlink name */
+#define        _PC_SYNC_IO             25      /* Sync I/O [SIO] supported? */
+
 /* configurable system strings */
 #define        _CS_PATH                 1