xnu-6153.41.3.tar.gz

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

diff --git a/bsd/sys/unistd.h b/bsd/sys/unistd.h
index f2b4249cd0185259f3c8822bfe64c2efc00c1d48..d20b1cf7cb79307e122aafe0f4e86a5161bd5c19 100644 (file)
--- a/bsd/sys/unistd.h
+++ b/bsd/sys/unistd.h
@@ -1,15 +1,20 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  *
  *

- * @APPLE_LICENSE_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
  * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
+ * 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,
  * 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,


@@ -17,8 +22,8 @@
  * 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.
  * 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_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*


@@ -57,7 +62,9 @@
  */
 
 #ifndef _SYS_UNISTD_H_
  */
 
 #ifndef _SYS_UNISTD_H_

-#define        _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
 
 /*
  * Although we have saved user/group IDs, we do not use them in setuid


@@ -65,98 +72,149 @@
  * root.  We use the saved IDs in seteuid/setegid, which are not currently
  * part of the POSIX 1003.1 specification.
  */
  * root.  We use the saved IDs in seteuid/setegid, which are not currently
  * part of the POSIX 1003.1 specification.
  */

-#ifdef _NOT_AVAILABLE
-#define        _POSIX_SAVED_IDS        /* saved set-user-ID and set-group-ID */
+#ifdef  _NOT_AVAILABLE
+#define _POSIX_SAVED_IDS        /* saved set-user-ID and set-group-ID */

 #endif
 
 #endif
 

-#define        _POSIX_VERSION          200112L
-#define        _POSIX2_VERSION         200112L
+#define _POSIX_VERSION          200112L
+#define _POSIX2_VERSION         200112L

 
 /* execution-time symbolic constants */
 
 /* execution-time symbolic constants */

-                               /* may disable terminal special characters */
-#ifndef _POSIX_VDISABLE
-#define        _POSIX_VDISABLE         ((unsigned char)'\377')
-#endif
+/* may disable terminal special characters */
+#include <sys/_types/_posix_vdisable.h>

 
 #define _POSIX_THREAD_KEYS_MAX 128
 
 /* access function */
 
 #define _POSIX_THREAD_KEYS_MAX 128
 
 /* access function */

-#define        F_OK            0       /* test for existence of file */
-#define        X_OK            (1<<0)  /* test for execute or search permission */
-#define        W_OK            (1<<1)  /* test for write permission */
-#define        R_OK            (1<<2)  /* test for read permission */
+#define F_OK            0       /* test for existence of file */
+#define X_OK            (1<<0)  /* test for execute or search permission */
+#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,
  * but with the bits shifted left by 8.
  */
 /*
  * Extended access functions.
  * Note that we depend on these matching the definitions in sys/kauth.h,
  * but with the bits shifted left by 8.
  */

-#define _READ_OK       (1<<9)  /* read file data / read directory */
-#define _WRITE_OK      (1<<10) /* write file data / add file to directory */
-#define _EXECUTE_OK    (1<<11) /* execute file / search in directory*/
-#define _DELETE_OK     (1<<12) /* delete file / delete directory */
-#define _APPEND_OK     (1<<13) /* append to file / add subdirectory to directory */
-#define _RMFILE_OK     (1<<14) /* - / remove file from directory */
-#define _RATTR_OK      (1<<15) /* read basic attributes */
-#define _WATTR_OK      (1<<16) /* write basic attributes */
-#define _REXT_OK       (1<<17) /* read extended attributes */
-#define _WEXT_OK       (1<<18) /* write extended attributes */
-#define _RPERM_OK      (1<<19) /* read permissions */
-#define _WPERM_OK      (1<<20) /* write permissions */
-#define _CHOWN_OK      (1<<21) /* change ownership */
+#define _READ_OK        (1<<9)  /* read file data / read directory */
+#define _WRITE_OK       (1<<10) /* write file data / add file to directory */
+#define _EXECUTE_OK     (1<<11) /* execute file / search in directory*/
+#define _DELETE_OK      (1<<12) /* delete file / delete directory */
+#define _APPEND_OK      (1<<13) /* append to file / add subdirectory to directory */
+#define _RMFILE_OK      (1<<14) /* - / remove file from directory */
+#define _RATTR_OK       (1<<15) /* read basic attributes */
+#define _WATTR_OK       (1<<16) /* write basic attributes */
+#define _REXT_OK        (1<<17) /* read extended attributes */
+#define _WEXT_OK        (1<<18) /* write extended attributes */
+#define _RPERM_OK       (1<<19) /* read permissions */
+#define _WPERM_OK       (1<<20) /* write permissions */
+#define _CHOWN_OK       (1<<21) /* change ownership */

 
 #define _ACCESS_EXTENDED_MASK (_READ_OK | _WRITE_OK | _EXECUTE_OK | \
 
 #define _ACCESS_EXTENDED_MASK (_READ_OK | _WRITE_OK | _EXECUTE_OK | \

-                               _DELETE_OK | _APPEND_OK | \
-                               _RMFILE_OK | _REXT_OK | \
-                               _WEXT_OK | _RATTR_OK | _WATTR_OK | _RPERM_OK | \
-                               _WPERM_OK | _CHOWN_OK)
+                               _DELETE_OK | _APPEND_OK | \
+                               _RMFILE_OK | _REXT_OK | \
+                               _WEXT_OK | _RATTR_OK | _WATTR_OK | _RPERM_OK | \
+                               _WPERM_OK | _CHOWN_OK)

 #endif
 
 /* whence values for lseek(2) */
 #endif
 
 /* whence values for lseek(2) */

-#ifndef SEEK_SET
-#define        SEEK_SET        0       /* set file offset to offset */
-#define        SEEK_CUR        1       /* set file offset to current plus offset */
-#define        SEEK_END        2       /* set file offset to EOF plus offset */
-#endif /* !SEEK_SET */
+#include <sys/_types/_seek_set.h>

 
 

-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

 /* whence values for lseek(2); renamed by POSIX 1003.1 */
 /* 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
+#define L_SET           SEEK_SET
+#define L_INCR          SEEK_CUR
+#define L_XTND          SEEK_END

 #endif
 
 #endif
 

-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

 struct accessx_descriptor {
 struct accessx_descriptor {

-       unsigned ad_name_offset;
+       unsigned int ad_name_offset;

        int ad_flags;
        int ad_pad[2];
 };
        int ad_flags;
        int ad_pad[2];
 };

-#define ACCESSX_MAX_DESCRIPTORS        100
-#define ACCESSX_MAX_TABLESIZE  (16 * 1024)
+#define ACCESSX_MAX_DESCRIPTORS 100
+#define ACCESSX_MAX_TABLESIZE   (16 * 1024)

 #endif
 
 /* configurable pathname variables */
 #endif
 
 /* configurable pathname variables */

-#define        _PC_LINK_MAX             1
-#define        _PC_MAX_CANON            2
-#define        _PC_MAX_INPUT            3
-#define        _PC_NAME_MAX             4
-#define        _PC_PATH_MAX             5
-#define        _PC_PIPE_BUF             6
-#define        _PC_CHOWN_RESTRICTED     7
-#define        _PC_NO_TRUNC             8
-#define        _PC_VDISABLE             9
-
-#ifndef _POSIX_C_SOURCE
-#define        _PC_NAME_CHARS_MAX       10
-#define        _PC_CASE_SENSITIVE               11
-#define        _PC_CASE_PRESERVING              12
+#define _PC_LINK_MAX             1
+#define _PC_MAX_CANON            2
+#define _PC_MAX_INPUT            3
+#define _PC_NAME_MAX             4
+#define _PC_PATH_MAX             5
+#define _PC_PIPE_BUF             6
+#define _PC_CHOWN_RESTRICTED     7
+#define _PC_NO_TRUNC             8
+#define _PC_VDISABLE             9
+
+#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

 #define _PC_EXTENDED_SECURITY_NP        13
 #define _PC_AUTH_OPAQUE_NP      14
 #endif
 
 #define _PC_EXTENDED_SECURITY_NP        13
 #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? */
+#define _PC_XATTR_SIZE_BITS     26      /* # of bits to represent maximum xattr size */
+#define _PC_MIN_HOLE_SIZE       27      /* Recommended minimum hole size for sparse files */
+

 /* configurable system strings */
 /* configurable system strings */

-#define        _CS_PATH                 1
+#define _CS_PATH                 1
+
+#ifndef KERNEL
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+
+#include <machine/_types.h>
+#include <sys/_types/_size_t.h>
+#include <_types/_uint64_t.h>
+#include <_types/_uint32_t.h>
+#include <Availability.h>
+
+__BEGIN_DECLS
+
+int     getattrlistbulk(int, void *, void *, size_t, uint64_t) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+int     getattrlistat(int, const char *, void *, void *, size_t, unsigned long) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+int     setattrlistat(int, const char *, void *, void *, size_t, uint32_t) __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0) __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0);
+
+__END_DECLS
+
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+#if __DARWIN_C_LEVEL >= 200809L
+
+#include <machine/_types.h>
+#include <sys/_types/_size_t.h>
+#include <sys/_types/_ssize_t.h>
+#include <sys/_types.h>
+#include <sys/_types/_uid_t.h>
+#include <sys/_types/_gid_t.h>
+#include <Availability.h>
+
+__BEGIN_DECLS
+
+int     faccessat(int, const char *, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+int     fchownat(int, const char *, uid_t, gid_t, int)  __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+int     linkat(int, const char *, int, const char *, int)       __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+ssize_t readlinkat(int, const char *, char *, size_t)   __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+int     symlinkat(const char *, int, const char *) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+int     unlinkat(int, const char *, int) __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
+
+__END_DECLS
+
+#endif /* __DARWIN_C_LEVEL >= 200809L */
+#endif /* !KERNEL */

 
 #endif /* !_SYS_UNISTD_H_ */
 
 #endif /* !_SYS_UNISTD_H_ */