http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/fcntl.h

/* Copyright (C) 1991,1992,1994-2001,2003,2004,2005,2006 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 modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 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. */ /* * POSIX Standard: 6.5 File Control Operations <fcntl.h> */ #ifndef _FCNTL_H #define _FCNTL_H 1 #include <features.h> /* This must be early so <bits/fcntl.h> can define types winningly. */ __BEGIN_DECLS /* Get the definitions of O_*, F_*, FD_*: all the numbers and flag bits for `open', `fcntl', et al. */ #include <bits/fcntl.h> /* For XPG all symbols from <sys/stat.h> should also be available. */ #ifdef __USE_XOPEN # include <sys/stat.h> #endif #ifdef __USE_MISC # ifndef R_OK /* Verbatim from <unistd.h>. Ugh. */ /* Values for the second argument to access. These may be OR'd together. */ # define R_OK 4 /* Test for read permission. */ # define W_OK 2 /* Test for write permission. */ # define X_OK 1 /* Test for execute permission. */ # define F_OK 0 /* Test for existence. */ # endif #endif /* Use misc. */ /* XPG wants the following symbols. */ #ifdef __USE_XOPEN /* <stdio.h> has the same definitions. */ # define SEEK_SET 0 /* Seek from beginning of file. */ # define SEEK_CUR 1 /* Seek from current position. */ # 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. This function is a cancellation point and therefore not marked with __THROW. */ extern int fcntl (int __fd, int __cmd, ...); /* 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. This function is a cancellation point and therefore not marked with __THROW. */ #ifndef __USE_FILE_OFFSET64 extern int open (__const char *__file, int __oflag, ...) __nonnull ((1)); #else # ifdef __REDIRECT 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, ...) __nonnull ((1)); #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)); # 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. 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) __nonnull ((1)); #else # ifdef __REDIRECT 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) __nonnull ((1)); #endif #if !defined F_LOCK && (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \ && !defined __USE_POSIX)) /* NOTE: These declarations also appear in <unistd.h>; be sure to keep both files consistent. Some systems have them there and some here, and some software depends on the macros being defined without including both. */ /* `lockf' is a simpler interface to the locking facilities of `fcntl'. LEN is always relative to the current file position. The CMD argument is one of the following. */ # define F_ULOCK 0 /* Unlock a previously locked region. */ # define F_LOCK 1 /* Lock a region for exclusive use. */ # define F_TLOCK 2 /* Test and lock a region for exclusive use. */ # 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); # else # 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); # endif #endif #ifdef __USE_XOPEN2K /* 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, __off_t __len, int __advise) __THROW; # else # 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, __off64_t __len, int __advise) __THROW; # endif /* 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, __off_t __len); # else # ifdef __REDIRECT extern int __REDIRECT (posix_fallocate, (int __fd, __off64_t __offset, __off64_t __len), posix_fallocate64); # else # define posix_fallocate posix_fallocate64 # endif # endif # ifdef __USE_LARGEFILE64 extern int posix_fallocate64 (int __fd, __off64_t __offset, __off64_t __len); # endif #endif __END_DECLS #endif /* fcntl.h */