-/* Copyright (C) 1991,92,94,95,96,97,98,99,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1992,1994-2001,2003,2004,2005,2006,2007, 2009
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
* POSIX Standard: 6.5 File Control Operations <fcntl.h>
# define SEEK_END 2 /* Seek from end of file. */
#endif /* XPG */
+#ifdef __USE_ATFILE
+# define AT_FDCWD -100 /* Special value used to indicate
+ the *at functions should use the
+ current working directory. */
+# define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
+# define AT_REMOVEDIR 0x200 /* Remove directory instead of
+ unlinking file. */
+# define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
+# define AT_EACCESS 0x200 /* Test access permitted for
+ effective IDs, not real IDs. */
+#endif
+
/* Do the file control operation described by CMD on FD.
- The remaining arguments are interpreted depending on CMD. */
-#ifndef __USE_FILE_OFFSET64
-extern int fcntl (int __fd, int __cmd, ...) __THROW;
+ The remaining arguments are interpreted depending on CMD.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+#if !defined(__USE_FILE_OFFSET64) || defined(__LP64__)
+extern int fcntl (int __fd, int __cmd, ...);
+# ifdef _LIBC
+extern int __fcntl_nocancel(int, int, long) attribute_hidden;
+libc_hidden_proto(fcntl)
+# endif
#else
# ifdef __REDIRECT
-extern int __REDIRECT (fcntl, (int __fd, int __cmd, ...) __THROW,
- fcntl64);
+extern int __REDIRECT (fcntl, (int __fd, int __cmd, ...), fcntl64);
# else
# define fcntl fcntl64
# endif
#endif
+#if defined(__USE_LARGEFILE64) && !defined(__LP64__)
+extern int fcntl64 (int __fd, int __cmd, ...);
+# ifdef _LIBC
+extern int __fcntl64_nocancel(int, int, long) attribute_hidden;
+libc_hidden_proto(fcntl64)
+# endif
+#endif
/* Open FILE and return a new file descriptor for it, or -1 on error.
OFLAG determines the type of access used. If O_CREAT is on OFLAG,
- the third argument is taken as a `mode_t', the mode of the created file. */
+ the third argument is taken as a `mode_t', the mode of the created file.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
#ifndef __USE_FILE_OFFSET64
-extern int open (__const char *__file, int __oflag, ...) __THROW;
+extern int open (const char *__file, int __oflag, ...) __nonnull ((1));
+libc_hidden_proto(open)
+# ifdef _LIBC
+extern int __open2_nocancel(const char *, int) __nonnull ((1)) attribute_hidden;
+extern int __open_nocancel(const char *, int, mode_t) __nonnull ((1)) attribute_hidden;
+# endif
#else
# ifdef __REDIRECT
-extern int __REDIRECT (open, (__const char *__file, int __oflag, ...) __THROW,
- open64);
+extern int __REDIRECT (open, (const char *__file, int __oflag, ...), open64)
+ __nonnull ((1));
# else
# define open open64
# endif
#endif
#ifdef __USE_LARGEFILE64
-extern int open64 (__const char *__file, int __oflag, ...) __THROW;
+extern int open64 (const char *__file, int __oflag, ...) __nonnull ((1));
+libc_hidden_proto(open64)
+#endif
+
+#ifdef __USE_ATFILE
+/* Similar to `open' but a relative path name is interpreted relative to
+ the directory for which FD is a descriptor.
+
+ NOTE: some other `openat' implementation support additional functionality
+ through this interface, especially using the O_XATTR flag. This is not
+ yet supported here.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+# ifndef __USE_FILE_OFFSET64
+extern int openat (int __fd, const char *__file, int __oflag, ...)
+ __nonnull ((2));
+libc_hidden_proto(openat)
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (openat, (int __fd, const char *__file, int __oflag,
+ ...), openat64) __nonnull ((2));
+# else
+# define openat openat64
+# endif
+# endif
+
+extern int openat64 (int __fd, const char *__file, int __oflag, ...)
+ __nonnull ((2));
#endif
-/* Create and open FILE, with mode MODE.
- This takes an `int' MODE argument because that is
- what `mode_t' will be widened to. */
+/* Create and open FILE, with mode MODE. This takes an `int' MODE
+ argument because that is what `mode_t' will be widened to.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
#ifndef __USE_FILE_OFFSET64
-extern int creat (__const char *__file, __mode_t __mode) __THROW;
+extern int creat (const char *__file, __mode_t __mode) __nonnull ((1));
#else
# ifdef __REDIRECT
-extern int __REDIRECT (creat, (__const char *__file, __mode_t __mode) __THROW,
- creat64);
+extern int __REDIRECT (creat, (const char *__file, __mode_t __mode),
+ creat64) __nonnull ((1));
# else
# define creat creat64
# endif
#endif
#ifdef __USE_LARGEFILE64
-extern int creat64 (__const char *__file, __mode_t __mode) __THROW;
+extern int creat64 (const char *__file, __mode_t __mode) __nonnull ((1));
#endif
#if !defined F_LOCK && (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \
# define F_TEST 3 /* Test a region for other processes locks. */
# ifndef __USE_FILE_OFFSET64
-extern int lockf (int __fd, int __cmd, __off_t __len) __THROW;
+extern int lockf (int __fd, int __cmd, __off_t __len);
+libc_hidden_proto(lockf)
# else
-# ifdef __REDIRECT
-extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len) __THROW,
- lockf64);
-# else
-# define lockf lockf64
-# endif
+# ifdef __REDIRECT
+extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len), lockf64);
+# else
+# define lockf lockf64
+# endif
# endif
# ifdef __USE_LARGEFILE64
-extern int lockf64 (int __fd, int __cmd, __off64_t __len) __THROW;
+extern int lockf64 (int __fd, int __cmd, __off64_t __len);
# endif
#endif
-
-#ifdef __USE_XOPEN2K
+#if defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__
/* Advice the system about the expected behaviour of the application with
respect to the file associated with FD. */
# ifndef __USE_FILE_OFFSET64
-extern int posix_fadvise (int __fd, __off_t __offset, size_t __len,
+extern int posix_fadvise (int __fd, __off_t __offset, __off_t __len,
int __advise) __THROW;
# else
-# ifdef __REDIRECT
-extern int __REDIRECT (posix_fadvise, (int __fd, __off64_t __offset,
- size_t __len, int __advise) __THROW,
- posix_fadvise64);
-# else
-# define posix_fadvise posix_fadvise64
-# endif
+# ifdef __REDIRECT_NTH
+extern int __REDIRECT_NTH (posix_fadvise, (int __fd, __off64_t __offset,
+ __off64_t __len, int __advise),
+ posix_fadvise64);
+# else
+# define posix_fadvise posix_fadvise64
+# endif
# endif
# ifdef __USE_LARGEFILE64
-extern int posix_fadvise64 (int __fd, __off64_t __offset, size_t __len,
+extern int posix_fadvise64 (int __fd, __off64_t __offset, __off64_t __len,
int __advise) __THROW;
# endif
#endif
-#if 0
+#if defined __UCLIBC_HAS_ADVANCED_REALTIME__
-/* FIXME -- uClibc should probably implement these... */
+/* Reserve storage for the data of the file associated with FD.
-/* Reserve storage for the data of the file associated with FD. */
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
# ifndef __USE_FILE_OFFSET64
-extern int posix_fallocate (int __fd, __off_t __offset, size_t __len) __THROW;
+extern int posix_fallocate (int __fd, __off_t __offset, __off_t __len);
# else
-# ifdef __REDIRECT
+# ifdef __REDIRECT
extern int __REDIRECT (posix_fallocate, (int __fd, __off64_t __offset,
- size_t __len) __THROW,
+ __off64_t __len),
posix_fallocate64);
-# else
-# define posix_fallocate posix_fallocate64
-# endif
+# else
+# define posix_fallocate posix_fallocate64
+# endif
# endif
# ifdef __USE_LARGEFILE64
-extern int posix_fallocate64 (int __fd, __off64_t __offset, size_t __len)
- __THROW;
+extern int posix_fallocate64 (int __fd, __off64_t __offset, __off64_t __len);
# endif
-
#endif
__END_DECLS
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