-/* $NetBSD: unistd.h,v 1.35 2006/08/14 18:17:48 rpaulo Exp $ */\r
+/** @file\r
+\r
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials are licensed and made available under\r
+ the terms and conditions of the BSD License that accompanies this distribution.\r
+ The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-/*\r
* Copyright (c) 1989, 1993\r
* The Regents of the University of California. All rights reserved.\r
*\r
* SUCH DAMAGE.\r
*\r
* @(#)unistd.h 8.2 (Berkeley) 1/7/94\r
- */\r
-\r
+ NetBSD: unistd.h,v 1.35 2006/08/14 18:17:48 rpaulo Exp\r
+**/\r
#ifndef _SYS_UNISTD_H_\r
#define _SYS_UNISTD_H_\r
\r
#include <sys/featuretest.h>\r
\r
/* compile-time symbolic constants */\r
-//#define _POSIX_JOB_CONTROL /* implementation supports job control */\r
\r
/*\r
* According to POSIX 1003.1:\r
#define _POSIX2_VERSION 199212L\r
\r
/* execution-time symbolic constants */\r
- /* chown requires appropriate privileges */\r
-//#define _POSIX_CHOWN_RESTRICTED 1\r
-// /* clock selection */\r
-//#define _POSIX_CLOCK_SELECTION -1\r
-// /* too-long path components generate errors */\r
-//#define _POSIX_NO_TRUNC 1\r
-// /* may disable terminal special characters */\r
-//#define _POSIX_VDISABLE ((unsigned char)'\377')\r
-// /* file synchronization is available */\r
-//#define _POSIX_FSYNC 1\r
-// /* synchronized I/O is available */\r
-//#define _POSIX_SYNCHRONIZED_IO 1\r
-// /* memory mapped files */\r
-//#define _POSIX_MAPPED_FILES 1\r
-// /* memory locking of whole address space */\r
-//#define _POSIX_MEMLOCK 1\r
-// /* memory locking address ranges */\r
-//#define _POSIX_MEMLOCK_RANGE 1\r
-// /* memory access protections */\r
-//#define _POSIX_MEMORY_PROTECTION 1\r
-// /* monotonic clock */\r
-//#define _POSIX_MONOTONIC_CLOCK 200112L\r
-// /* threads */\r
-//#define _POSIX_THREADS 200112L\r
-// /* semaphores */\r
-//#define _POSIX_SEMAPHORES 0\r
-// /* barriers */\r
-//#define _POSIX_BARRIERS 200112L\r
/* timers */\r
#define _POSIX_TIMERS 200112L\r
- /* spin locks */\r
-//#define _POSIX_SPIN_LOCKS 200112L\r
-// /* read/write locks */\r
-//#define _POSIX_READER_WRITER_LOCKS 200112L\r
-// /* XPG4.2 shared memory */\r
-//#define _XOPEN_SHM 0\r
+\r
+/* Always ensure that these are consistent with <fcntl.h>!\r
+ whence values for lseek(2).\r
+*/\r
+#ifndef SEEK_SET\r
+#define SEEK_SET 0 /**< set file offset to offset */\r
+#endif\r
+#ifndef SEEK_CUR\r
+#define SEEK_CUR 1 /**< set file offset to current plus offset */\r
+#endif\r
+#ifndef SEEK_END\r
+#define SEEK_END 2 /**< set file offset to EOF plus offset */\r
+#endif\r
\r
/* whence values for lseek(2); renamed by POSIX 1003.1 */\r
#define L_SET SEEK_SET\r
#define L_INCR SEEK_CUR\r
#define L_XTND SEEK_END\r
\r
-/*\r
- * fsync_range values.\r
- *\r
- * Note the following flag values were chosen to not overlap\r
- * values for SEEK_XXX flags. While not currently implemented,\r
- * it is possible to extend this call to respect SEEK_CUR and\r
- * SEEK_END offset addressing modes.\r
- */\r
-#define FDATASYNC 0x0010 /* sync data and minimal metadata */\r
-#define FFILESYNC 0x0020 /* sync data and metadata */\r
-#define FDISKSYNC 0x0040 /* flush disk caches after sync */\r
-\r
-/* configurable pathname variables; use as argument to pathconf(3) */\r
-#define _PC_LINK_MAX 1\r
-#define _PC_MAX_CANON 2\r
-#define _PC_MAX_INPUT 3\r
-#define _PC_NAME_MAX 4\r
-#define _PC_PATH_MAX 5\r
-#define _PC_PIPE_BUF 6\r
-#define _PC_CHOWN_RESTRICTED 7\r
-#define _PC_NO_TRUNC 8\r
-#define _PC_VDISABLE 9\r
-#define _PC_SYNC_IO 10\r
-#define _PC_FILESIZEBITS 11\r
-\r
-/* configurable system variables; use as argument to sysconf(3) */\r
-/*\r
- * XXX The value of _SC_CLK_TCK is embedded in <time.h>.\r
- * XXX The value of _SC_PAGESIZE is embedded in <sys/shm.h>.\r
- */\r
-#define _SC_ARG_MAX 1\r
-#define _SC_CHILD_MAX 2\r
-#define _O_SC_CLK_TCK 3 /* Old version, always 100 */\r
-#define _SC_NGROUPS_MAX 4\r
-#define _SC_OPEN_MAX 5\r
-#define _SC_JOB_CONTROL 6\r
-#define _SC_SAVED_IDS 7\r
-#define _SC_VERSION 8\r
-#define _SC_BC_BASE_MAX 9\r
-#define _SC_BC_DIM_MAX 10\r
-#define _SC_BC_SCALE_MAX 11\r
-#define _SC_BC_STRING_MAX 12\r
-#define _SC_COLL_WEIGHTS_MAX 13\r
-#define _SC_EXPR_NEST_MAX 14\r
-#define _SC_LINE_MAX 15\r
-#define _SC_RE_DUP_MAX 16\r
-#define _SC_2_VERSION 17\r
-#define _SC_2_C_BIND 18\r
-#define _SC_2_C_DEV 19\r
-#define _SC_2_CHAR_TERM 20\r
-#define _SC_2_FORT_DEV 21\r
-#define _SC_2_FORT_RUN 22\r
-#define _SC_2_LOCALEDEF 23\r
-#define _SC_2_SW_DEV 24\r
-#define _SC_2_UPE 25\r
-#define _SC_STREAM_MAX 26\r
-#define _SC_TZNAME_MAX 27\r
-#define _SC_PAGESIZE 28\r
-#define _SC_PAGE_SIZE _SC_PAGESIZE /* 1170 compatibility */\r
-#define _SC_FSYNC 29\r
-#define _SC_XOPEN_SHM 30\r
-#define _SC_SYNCHRONIZED_IO 31\r
-#define _SC_IOV_MAX 32\r
-#define _SC_MAPPED_FILES 33\r
-#define _SC_MEMLOCK 34\r
-#define _SC_MEMLOCK_RANGE 35\r
-#define _SC_MEMORY_PROTECTION 36\r
-#define _SC_LOGIN_NAME_MAX 37\r
-#define _SC_MONOTONIC_CLOCK 38\r
-#define _SC_CLK_TCK 39 /* New, variable version */\r
-#define _SC_ATEXIT_MAX 40\r
-#define _SC_THREADS 41\r
-#define _SC_SEMAPHORES 42\r
-#define _SC_BARRIERS 43\r
-#define _SC_TIMERS 44\r
-#define _SC_SPIN_LOCKS 45\r
-#define _SC_READER_WRITER_LOCKS 46\r
-#define _SC_GETGR_R_SIZE_MAX 47\r
-#define _SC_GETPW_R_SIZE_MAX 48\r
-#define _SC_CLOCK_SELECTION 49\r
-\r
/* configurable system strings */\r
#define _CS_PATH 1\r
\r
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