[deliverable/binutils-gdb.git] / gnulib / import / fcntl.in.h

/* Like <fcntl.h>, but with non-working flags defined to 0.

   Copyright (C) 2006-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* written by Paul Eggert */

#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@

#if defined __need_system_fcntl_h
/* Special invocation convention.  */

/* Needed before <sys/stat.h>.
   May also define off_t to a 64-bit type on native Windows.  */
#include <sys/types.h>
/* On some systems other than glibc, <sys/stat.h> is a prerequisite of
   <fcntl.h>.  On glibc systems, we would like to avoid namespace pollution.
   But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an
   extern "C" { ... } block, which leads to errors in C++ mode with the
   overridden <sys/stat.h> from gnulib.  These errors are known to be gone
   with g++ version >= 4.3.  */
#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
# include <sys/stat.h>
#endif
#@INCLUDE_NEXT@ @NEXT_FCNTL_H@

/* Native Windows platforms declare open(), creat() in <io.h>.  */
#if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \
    && (defined _WIN32 && ! defined __CYGWIN__)
# include <io.h>
#endif

#else
/* Normal invocation convention.  */

#ifndef _@GUARD_PREFIX@_FCNTL_H

/* Needed before <sys/stat.h>.
   May also define off_t to a 64-bit type on native Windows.  */
#include <sys/types.h>
/* On some systems other than glibc, <sys/stat.h> is a prerequisite of
   <fcntl.h>.  On glibc systems, we would like to avoid namespace pollution.
   But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an
   extern "C" { ... } block, which leads to errors in C++ mode with the
   overridden <sys/stat.h> from gnulib.  These errors are known to be gone
   with g++ version >= 4.3.  */
#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
# include <sys/stat.h>
#endif
/* The include_next requires a split double-inclusion guard.  */
#@INCLUDE_NEXT@ @NEXT_FCNTL_H@

/* Native Windows platforms declare open(), creat() in <io.h>.  */
#if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \
    && (defined _WIN32 && ! defined __CYGWIN__)
# include <io.h>
#endif

#ifndef _@GUARD_PREFIX@_FCNTL_H
#define _@GUARD_PREFIX@_FCNTL_H

#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems.  */
# include <unistd.h>
#endif


/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */

/* The definition of _GL_ARG_NONNULL is copied here.  */

/* The definition of _GL_WARN_ON_USE is copied here.  */


/* Declare overridden functions.  */

#if @GNULIB_CREAT@
# if @REPLACE_CREAT@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   undef creat
#   define creat rpl_creat
#  endif
_GL_FUNCDECL_RPL (creat, int, (const char *filename, mode_t mode)
                             _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (creat, int, (const char *filename, mode_t mode));
# else
_GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode));
# endif
_GL_CXXALIASWARN (creat);
#elif defined GNULIB_POSIXCHECK
# undef creat
/* Assume creat is always declared.  */
_GL_WARN_ON_USE (creat, "creat is not always POSIX compliant - "
                 "use gnulib module creat for portability");
#endif

#if @GNULIB_FCNTL@
# if @REPLACE_FCNTL@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   undef fcntl
#   define fcntl rpl_fcntl
#  endif
_GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...));
_GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...));
# else
#  if !@HAVE_FCNTL@
_GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...));
#  endif
_GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...));
# endif
_GL_CXXALIASWARN (fcntl);
#elif defined GNULIB_POSIXCHECK
# undef fcntl
# if HAVE_RAW_DECL_FCNTL
_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "
                 "use gnulib module fcntl for portability");
# endif
#endif

#if @GNULIB_OPEN@
# if @REPLACE_OPEN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   undef open
#   define open rpl_open
#  endif
_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
                             _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
# else
_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
# endif
/* On HP-UX 11, in C++ mode, open() is defined as an inline function with a
   default argument.  _GL_CXXALIASWARN does not work in this case.  */
# if !defined __hpux
_GL_CXXALIASWARN (open);
# endif
#elif defined GNULIB_POSIXCHECK
# undef open
/* Assume open is always declared.  */
_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "
                 "use gnulib module open for portability");
#endif

#if @GNULIB_OPENAT@
# if @REPLACE_OPENAT@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   undef openat
#   define openat rpl_openat
#  endif
_GL_FUNCDECL_RPL (openat, int,
                  (int fd, char const *file, int flags, /* mode_t mode */ ...)
                  _GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (openat, int,
                  (int fd, char const *file, int flags, /* mode_t mode */ ...));
# else
#  if !@HAVE_OPENAT@
_GL_FUNCDECL_SYS (openat, int,
                  (int fd, char const *file, int flags, /* mode_t mode */ ...)
                  _GL_ARG_NONNULL ((2)));
#  endif
_GL_CXXALIAS_SYS (openat, int,
                  (int fd, char const *file, int flags, /* mode_t mode */ ...));
# endif
_GL_CXXALIASWARN (openat);
#elif defined GNULIB_POSIXCHECK
# undef openat
# if HAVE_RAW_DECL_OPENAT
_GL_WARN_ON_USE (openat, "openat is not portable - "
                 "use gnulib module openat for portability");
# endif
#endif


/* Fix up the FD_* macros, only known to be missing on mingw.  */

#ifndef FD_CLOEXEC
# define FD_CLOEXEC 1
#endif

/* Fix up the supported F_* macros.  Intentionally leave other F_*
   macros undefined.  Only known to be missing on mingw.  */

#ifndef F_DUPFD_CLOEXEC
# define F_DUPFD_CLOEXEC 0x40000000
/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise.  */
# define GNULIB_defined_F_DUPFD_CLOEXEC 1
#else
# define GNULIB_defined_F_DUPFD_CLOEXEC 0
#endif

#ifndef F_DUPFD
# define F_DUPFD 1
#endif

#ifndef F_GETFD
# define F_GETFD 2
#endif

/* Fix up the O_* macros.  */

/* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT
   to values outside 'int' range, so omit these misdefinitions.
   But avoid namespace pollution on non-AIX systems.  */
#ifdef _AIX
# include <limits.h>
# if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX)
#  undef O_CLOEXEC
# endif
# if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX)
#  undef O_NOFOLLOW
# endif
# if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX)
#  undef O_TTY_INIT
# endif
#endif

#if !defined O_DIRECT && defined O_DIRECTIO
/* Tru64 spells it 'O_DIRECTIO'.  */
# define O_DIRECT O_DIRECTIO
#endif

#if !defined O_CLOEXEC && defined O_NOINHERIT
/* Mingw spells it 'O_NOINHERIT'.  */
# define O_CLOEXEC O_NOINHERIT
#endif

#ifndef O_CLOEXEC
# define O_CLOEXEC 0x40000000 /* Try to not collide with system O_* flags.  */
# define GNULIB_defined_O_CLOEXEC 1
#else
# define GNULIB_defined_O_CLOEXEC 0
#endif

#ifndef O_DIRECT
# define O_DIRECT 0
#endif

#ifndef O_DIRECTORY
# define O_DIRECTORY 0
#endif

#ifndef O_DSYNC
# define O_DSYNC 0
#endif

#ifndef O_EXEC
# define O_EXEC O_RDONLY /* This is often close enough in older systems.  */
#endif

#ifndef O_IGNORE_CTTY
# define O_IGNORE_CTTY 0
#endif

#ifndef O_NDELAY
# define O_NDELAY 0
#endif

#ifndef O_NOATIME
# define O_NOATIME 0
#endif

#ifndef O_NONBLOCK
# define O_NONBLOCK O_NDELAY
#endif

/* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero
   value of O_NONBLOCK.  Otherwise, O_NONBLOCK is defined (above) to O_NDELAY
   or to 0 as fallback.  */
#if @GNULIB_NONBLOCKING@
# if O_NONBLOCK
#  define GNULIB_defined_O_NONBLOCK 0
# else
#  define GNULIB_defined_O_NONBLOCK 1
#  undef O_NONBLOCK
#  define O_NONBLOCK 0x40000000
# endif
#endif

#ifndef O_NOCTTY
# define O_NOCTTY 0
#endif

#ifndef O_NOFOLLOW
# define O_NOFOLLOW 0
#endif

#ifndef O_NOLINK
# define O_NOLINK 0
#endif

#ifndef O_NOLINKS
# define O_NOLINKS 0
#endif

#ifndef O_NOTRANS
# define O_NOTRANS 0
#endif

#ifndef O_RSYNC
# define O_RSYNC 0
#endif

#ifndef O_SEARCH
# define O_SEARCH O_RDONLY /* This is often close enough in older systems.  */
#endif

#ifndef O_SYNC
# define O_SYNC 0
#endif

#ifndef O_TTY_INIT
# define O_TTY_INIT 0
#endif

#if ~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH)
# undef O_ACCMODE
# define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH)
#endif

/* For systems that distinguish between text and binary I/O.
   O_BINARY is usually declared in fcntl.h  */
#if !defined O_BINARY && defined _O_BINARY
  /* For MSC-compatible compilers.  */
# define O_BINARY _O_BINARY
# define O_TEXT _O_TEXT
#endif

#if defined __BEOS__ || defined __HAIKU__
  /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect.  */
# undef O_BINARY
# undef O_TEXT
#endif

#ifndef O_BINARY
# define O_BINARY 0
# define O_TEXT 0
#endif

/* Fix up the AT_* macros.  */

/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive.  Its
   value exceeds INT_MAX, so its use as an int doesn't conform to the
   C standard, and GCC and Sun C complain in some cases.  If the bug
   is present, undef AT_FDCWD here, so it can be redefined below.  */
#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553
# undef AT_FDCWD
#endif

/* Use the same bit pattern as Solaris 9, but with the proper
   signedness.  The bit pattern is important, in case this actually is
   Solaris with the above workaround.  */
#ifndef AT_FDCWD
# define AT_FDCWD (-3041965)
#endif

/* Use the same values as Solaris 9.  This shouldn't matter, but
   there's no real reason to differ.  */
#ifndef AT_SYMLINK_NOFOLLOW
# define AT_SYMLINK_NOFOLLOW 4096
#endif

#ifndef AT_REMOVEDIR
# define AT_REMOVEDIR 1
#endif

/* Solaris 9 lacks these two, so just pick unique values.  */
#ifndef AT_SYMLINK_FOLLOW
# define AT_SYMLINK_FOLLOW 2
#endif

#ifndef AT_EACCESS
# define AT_EACCESS 4
#endif


#endif /* _@GUARD_PREFIX@_FCNTL_H */
#endif /* _@GUARD_PREFIX@_FCNTL_H */
#endif
Commit	Line	Data
6ec2e0f5 SDJ	1	/* Like <fcntl.h>, but with non-working flags defined to 0.
6ec2e0f5 SDJ	2
c0c3707f	3	Copyright (C) 2006-2019 Free Software Foundation, Inc.
6ec2e0f5 SDJ	4
	5	This program is free software: you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 3 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
c0c3707f	16	along with this program. If not, see <https://www.gnu.org/licenses/>. */
6ec2e0f5 SDJ	17
	18	/* written by Paul Eggert */
	19
	20	#if __GNUC__ >= 3
	21	@PRAGMA_SYSTEM_HEADER@
	22	#endif
	23	@PRAGMA_COLUMNS@
	24
	25	#if defined __need_system_fcntl_h
	26	/* Special invocation convention. */
	27
	28	/* Needed before <sys/stat.h>.
	29	May also define off_t to a 64-bit type on native Windows. */
	30	#include <sys/types.h>
	31	/* On some systems other than glibc, <sys/stat.h> is a prerequisite of
	32	<fcntl.h>. On glibc systems, we would like to avoid namespace pollution.
	33	But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an
	34	extern "C" { ... } block, which leads to errors in C++ mode with the
	35	overridden <sys/stat.h> from gnulib. These errors are known to be gone
	36	with g++ version >= 4.3. */
	37	#if !(defined __GLIBC__ \|\| defined __UCLIBC__) \|\| (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC \|\| !(__GNUC__ > 4 \|\| (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
	38	# include <sys/stat.h>
	39	#endif
	40	#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
	41
c0c3707f CB	42	/* Native Windows platforms declare open(), creat() in <io.h>. */
	43	#if (@GNULIB_CREAT@ \|\| @GNULIB_OPEN@ \|\| defined GNULIB_POSIXCHECK) \
	44	&& (defined _WIN32 && ! defined __CYGWIN__)
	45	# include <io.h>
	46	#endif
	47
6ec2e0f5 SDJ	48	#else
	49	/* Normal invocation convention. */
	50
	51	#ifndef _@GUARD_PREFIX@_FCNTL_H
	52
	53	/* Needed before <sys/stat.h>.
	54	May also define off_t to a 64-bit type on native Windows. */
	55	#include <sys/types.h>
	56	/* On some systems other than glibc, <sys/stat.h> is a prerequisite of
	57	<fcntl.h>. On glibc systems, we would like to avoid namespace pollution.
	58	But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an
	59	extern "C" { ... } block, which leads to errors in C++ mode with the
	60	overridden <sys/stat.h> from gnulib. These errors are known to be gone
	61	with g++ version >= 4.3. */
	62	#if !(defined __GLIBC__ \|\| defined __UCLIBC__) \|\| (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC \|\| !(__GNUC__ > 4 \|\| (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
	63	# include <sys/stat.h>
	64	#endif
	65	/* The include_next requires a split double-inclusion guard. */
	66	#@INCLUDE_NEXT@ @NEXT_FCNTL_H@
	67
c0c3707f CB	68	/* Native Windows platforms declare open(), creat() in <io.h>. */
	69	#if (@GNULIB_CREAT@ \|\| @GNULIB_OPEN@ \|\| defined GNULIB_POSIXCHECK) \
	70	&& (defined _WIN32 && ! defined __CYGWIN__)
	71	# include <io.h>
	72	#endif
	73
6ec2e0f5 SDJ	74	#ifndef _@GUARD_PREFIX@_FCNTL_H
	75	#define _@GUARD_PREFIX@_FCNTL_H
	76
	77	#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */
	78	# include <unistd.h>
	79	#endif
	80
6ec2e0f5 SDJ	81
	82	/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
	83
	84	/* The definition of _GL_ARG_NONNULL is copied here. */
	85
	86	/* The definition of _GL_WARN_ON_USE is copied here. */
	87
	88
	89	/* Declare overridden functions. */
	90
c0c3707f CB	91	#if @GNULIB_CREAT@
	92	# if @REPLACE_CREAT@
	93	# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
	94	# undef creat
	95	# define creat rpl_creat
	96	# endif
	97	_GL_FUNCDECL_RPL (creat, int, (const char *filename, mode_t mode)
	98	_GL_ARG_NONNULL ((1)));
	99	_GL_CXXALIAS_RPL (creat, int, (const char *filename, mode_t mode));
	100	# else
	101	_GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode));
	102	# endif
	103	_GL_CXXALIASWARN (creat);
	104	#elif defined GNULIB_POSIXCHECK
	105	# undef creat
	106	/* Assume creat is always declared. */
	107	_GL_WARN_ON_USE (creat, "creat is not always POSIX compliant - "
	108	"use gnulib module creat for portability");
	109	#endif
	110
6ec2e0f5 SDJ	111	#if @GNULIB_FCNTL@
	112	# if @REPLACE_FCNTL@
	113	# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
	114	# undef fcntl
	115	# define fcntl rpl_fcntl
	116	# endif
	117	_GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...));
	118	_GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...));
	119	# else
	120	# if !@HAVE_FCNTL@
	121	_GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...));
	122	# endif
	123	_GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...));
	124	# endif
	125	_GL_CXXALIASWARN (fcntl);
	126	#elif defined GNULIB_POSIXCHECK
	127	# undef fcntl
	128	# if HAVE_RAW_DECL_FCNTL
	129	_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "
	130	"use gnulib module fcntl for portability");
	131	# endif
	132	#endif
	133
	134	#if @GNULIB_OPEN@
	135	# if @REPLACE_OPEN@
	136	# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
	137	# undef open
	138	# define open rpl_open
	139	# endif
	140	_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
	141	_GL_ARG_NONNULL ((1)));
	142	_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
	143	# else
	144	_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
	145	# endif
	146	/* On HP-UX 11, in C++ mode, open() is defined as an inline function with a
	147	default argument. _GL_CXXALIASWARN does not work in this case. */
	148	# if !defined __hpux
	149	_GL_CXXALIASWARN (open);
	150	# endif
	151	#elif defined GNULIB_POSIXCHECK
	152	# undef open
	153	/* Assume open is always declared. */
	154	_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "
	155	"use gnulib module open for portability");
	156	#endif
	157
	158	#if @GNULIB_OPENAT@
	159	# if @REPLACE_OPENAT@
	160	# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
	161	# undef openat
	162	# define openat rpl_openat
	163	# endif
	164	_GL_FUNCDECL_RPL (openat, int,
	165	(int fd, char const file, int flags, / mode_t mode */ ...)
	166	_GL_ARG_NONNULL ((2)));
	167	_GL_CXXALIAS_RPL (openat, int,
	168	(int fd, char const file, int flags, / mode_t mode */ ...));
	169	# else
	170	# if !@HAVE_OPENAT@
	171	_GL_FUNCDECL_SYS (openat, int,
	172	(int fd, char const file, int flags, / mode_t mode */ ...)
	173	_GL_ARG_NONNULL ((2)));
	174	# endif
175	_GL_CXXALIAS_SYS (openat, int,
176	(int fd, char const file, int flags, / mode_t mode */ ...));
177	# endif
178	_GL_CXXALIASWARN (openat);
179	#elif defined GNULIB_POSIXCHECK
180	# undef openat
181	# if HAVE_RAW_DECL_OPENAT
182	_GL_WARN_ON_USE (openat, "openat is not portable - "
183	"use gnulib module openat for portability");
184	# endif
185	#endif
186
187
188	/* Fix up the FD_* macros, only known to be missing on mingw. */
189
190	#ifndef FD_CLOEXEC
191	# define FD_CLOEXEC 1
192	#endif
193
194	/* Fix up the supported F_* macros. Intentionally leave other F_*
195	macros undefined. Only known to be missing on mingw. */
196
197	#ifndef F_DUPFD_CLOEXEC
198	# define F_DUPFD_CLOEXEC 0x40000000
199	/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */
200	# define GNULIB_defined_F_DUPFD_CLOEXEC 1
201	#else
202	# define GNULIB_defined_F_DUPFD_CLOEXEC 0
203	#endif
204
205	#ifndef F_DUPFD
206	# define F_DUPFD 1
207	#endif
208
209	#ifndef F_GETFD
210	# define F_GETFD 2
211	#endif
212
213	/* Fix up the O_* macros. */
214
215	/* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT
216	to values outside 'int' range, so omit these misdefinitions.
217	But avoid namespace pollution on non-AIX systems. */
218	#ifdef _AIX
219	# include <limits.h>
220	# if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX)
221	# undef O_CLOEXEC
222	# endif
223	# if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX)
224	# undef O_NOFOLLOW
225	# endif
226	# if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX)
227	# undef O_TTY_INIT
228	# endif
229	#endif
230
231	#if !defined O_DIRECT && defined O_DIRECTIO
232	/* Tru64 spells it 'O_DIRECTIO'. */
233	# define O_DIRECT O_DIRECTIO
234	#endif
235
236	#if !defined O_CLOEXEC && defined O_NOINHERIT
237	/* Mingw spells it 'O_NOINHERIT'. */
238	# define O_CLOEXEC O_NOINHERIT
239	#endif
240
241	#ifndef O_CLOEXEC
c0c3707f CB	242	# define O_CLOEXEC 0x40000000 /* Try to not collide with system O_* flags. */
	243	# define GNULIB_defined_O_CLOEXEC 1
	244	#else
	245	# define GNULIB_defined_O_CLOEXEC 0
6ec2e0f5 SDJ	246	#endif
	247
	248	#ifndef O_DIRECT
	249	# define O_DIRECT 0
	250	#endif
	251
	252	#ifndef O_DIRECTORY
	253	# define O_DIRECTORY 0
	254	#endif
	255
	256	#ifndef O_DSYNC
	257	# define O_DSYNC 0
	258	#endif
	259
	260	#ifndef O_EXEC
	261	# define O_EXEC O_RDONLY /* This is often close enough in older systems. */
	262	#endif
	263
	264	#ifndef O_IGNORE_CTTY
	265	# define O_IGNORE_CTTY 0
	266	#endif
	267
	268	#ifndef O_NDELAY
	269	# define O_NDELAY 0
	270	#endif
	271
	272	#ifndef O_NOATIME
	273	# define O_NOATIME 0
	274	#endif
	275
	276	#ifndef O_NONBLOCK
	277	# define O_NONBLOCK O_NDELAY
	278	#endif
	279
	280	/* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero
	281	value of O_NONBLOCK. Otherwise, O_NONBLOCK is defined (above) to O_NDELAY
	282	or to 0 as fallback. */
	283	#if @GNULIB_NONBLOCKING@
	284	# if O_NONBLOCK
	285	# define GNULIB_defined_O_NONBLOCK 0
	286	# else
	287	# define GNULIB_defined_O_NONBLOCK 1
	288	# undef O_NONBLOCK
	289	# define O_NONBLOCK 0x40000000
	290	# endif
	291	#endif
	292
	293	#ifndef O_NOCTTY
	294	# define O_NOCTTY 0
	295	#endif
	296
	297	#ifndef O_NOFOLLOW
	298	# define O_NOFOLLOW 0
	299	#endif
	300
	301	#ifndef O_NOLINK
	302	# define O_NOLINK 0
	303	#endif
	304
	305	#ifndef O_NOLINKS
	306	# define O_NOLINKS 0
	307	#endif
	308
	309	#ifndef O_NOTRANS
310	# define O_NOTRANS 0
311	#endif
312
313	#ifndef O_RSYNC
314	# define O_RSYNC 0
315	#endif
316
317	#ifndef O_SEARCH
318	# define O_SEARCH O_RDONLY /* This is often close enough in older systems. */
319	#endif
320
321	#ifndef O_SYNC
322	# define O_SYNC 0
323	#endif
324
325	#ifndef O_TTY_INIT
326	# define O_TTY_INIT 0
327	#endif
328
329	#if ~O_ACCMODE & (O_RDONLY \| O_WRONLY \| O_RDWR \| O_EXEC \| O_SEARCH)
330	# undef O_ACCMODE
331	# define O_ACCMODE (O_RDONLY \| O_WRONLY \| O_RDWR \| O_EXEC \| O_SEARCH)
332	#endif
333
334	/* For systems that distinguish between text and binary I/O.
335	O_BINARY is usually declared in fcntl.h */
336	#if !defined O_BINARY && defined _O_BINARY
337	/* For MSC-compatible compilers. */
338	# define O_BINARY _O_BINARY
339	# define O_TEXT _O_TEXT
340	#endif
341
342	#if defined __BEOS__ \|\| defined __HAIKU__
343	/* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */
344	# undef O_BINARY
345	# undef O_TEXT
346	#endif
347
348	#ifndef O_BINARY
349	# define O_BINARY 0
350	# define O_TEXT 0
351	#endif
352
353	/* Fix up the AT_* macros. */
354
355	/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its
356	value exceeds INT_MAX, so its use as an int doesn't conform to the
357	C standard, and GCC and Sun C complain in some cases. If the bug
358	is present, undef AT_FDCWD here, so it can be redefined below. */
359	#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553
360	# undef AT_FDCWD
361	#endif
362
363	/* Use the same bit pattern as Solaris 9, but with the proper
364	signedness. The bit pattern is important, in case this actually is
365	Solaris with the above workaround. */
366	#ifndef AT_FDCWD
367	# define AT_FDCWD (-3041965)
368	#endif
369
370	/* Use the same values as Solaris 9. This shouldn't matter, but
371	there's no real reason to differ. */
372	#ifndef AT_SYMLINK_NOFOLLOW
373	# define AT_SYMLINK_NOFOLLOW 4096
374	#endif
375
376	#ifndef AT_REMOVEDIR
377	# define AT_REMOVEDIR 1
378	#endif
379
380	/* Solaris 9 lacks these two, so just pick unique values. */
381	#ifndef AT_SYMLINK_FOLLOW
382	# define AT_SYMLINK_FOLLOW 2
383	#endif
384
385	#ifndef AT_EACCESS
386	# define AT_EACCESS 4
387	#endif
388
389
390	#endif /* _@GUARD_PREFIX@_FCNTL_H */
391	#endif /* _@GUARD_PREFIX@_FCNTL_H */
392	#endif