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-rw-r--r--include/fcntl.h130
1 files changed, 119 insertions, 11 deletions
diff --git a/include/fcntl.h b/include/fcntl.h
index b9f727216..deea51182 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -1,20 +1,128 @@
-#ifndef __FCNTL_H
-#define __FCNTL_H
+/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. 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>
-#include <sys/types.h>
-#include <linux/fcntl.h>
-#ifndef FNDELAY
-#define FNDELAY O_NDELAY
+/* 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
-__BEGIN_DECLS
+#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. */
-extern int creat __P ((__const char * __filename, mode_t __mode));
-extern int fcntl __P ((int __fildes,int __cmd, ...));
-extern int open __P ((__const char * __filename, int __flags, ...));
+/* 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 */
-__END_DECLS
+/* Do the file control operation described by CMD on FD.
+ The remaining arguments are interpreted depending on CMD. */
+extern int fcntl __P ((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. */
+#ifndef __USE_FILE_OFFSET64
+extern int open __P ((__const char *__file, int __oflag, ...));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (open, __P ((__const char *__file, int __oflag, ...)),
+ open64);
+# else
+# define open open64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int open64 __P ((__const char *__file, int __oflag, ...));
+#endif
+/* Create and open FILE, with mode MODE.
+ This takes an `int' MODE argument because that is
+ what `mode_t' will be widened to. */
+#ifndef __USE_FILE_OFFSET64
+extern int creat __P ((__const char *__file, __mode_t __mode));
+#else
+# ifdef __REDIRECT
+extern int __REDIRECT (creat, __P ((__const char *__file, __mode_t __mode)),
+ creat64);
+# else
+# define creat creat64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern int creat64 __P ((__const char *__file, __mode_t __mode));
#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 __P ((int __fd, int __cmd, __off_t __len));
+# else
+# ifdef __REDIRECT
+extern int __REDIRECT (lockf, __P ((int __fd, int __cmd, __off64_t __len)),
+ lockf64);
+# else
+# define lockf lockf64
+# endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int lockf64 __P ((int __fd, int __cmd, __off64_t __len));
+# endif
+#endif
+
+__END_DECLS
+
+#endif /* fcntl.h */