-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 92, 94, 95, 96, 97 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 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.
+ 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., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ 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 <fcntlbits.h>
-#include <filebits.h>
-
-
-/* Values for the second argument to fcntl. */
-#define F_DUPFD __F_DUPFD /* Duplicate file descriptor. */
-#define F_GETFD __F_GETFD /* Get file descriptor flags. */
-#define F_SETFD __F_SETFD /* Set file descriptor flags. */
-#define F_GETFL __F_GETFL /* Get file status flags. */
-#define F_SETFL __F_SETFL /* Set file status flags. */
-#define F_SETLK __F_SETLK /* Set record locking info. */
-#define F_SETLKW __F_SETLKW /* Set record locking, block. */
-
-#ifdef __USE_BSD
-#define F_GETOWN __F_GETOWN /* Get owner (receiver of SIGIO). */
-#define F_SETOWN __F_SETOWN /* Set owner (receiver of SIGIO). */
-#endif
-
-
-/* File descriptor flags used with F_GETFD and F_SETFD. */
-#define FD_CLOEXEC __FD_CLOEXEC /* Close on exec. */
-
-
-/* File access modes for open and fcntl. */
-#define O_RDONLY __O_RDONLY /* Open read-only. */
-#define O_WRONLY __O_WRONLY /* Open write-only. */
-#define O_RDWR __O_RDWR /* Open read/write. */
-
-/* Bits OR'd into the second argument to open. */
-#define O_CREAT __O_CREAT /* Create file if it doesn't exist. */
-#define O_EXCL __O_EXCL /* Fail if file already exists. */
-#define O_TRUNC __O_TRUNC /* Truncate file to zero length. */
-#define O_NOCTTY __O_NOCTTY /* Don't assign a controlling tty. */
+#include <features.h>
+/* This must be early so <bits/fcntl.h> can define types winningly. */
+__BEGIN_DECLS
-/* File status flags for `open' and `fcntl'. */
-#define O_APPEND __O_APPEND /* Writes append to the file. */
-#define O_NONBLOCK __O_NONBLOCK /* No delay when opening the file. */
+/* Get the definitions of O_*, F_*, FD_*: all the
+ numbers and flag bits for `open', `fcntl', et al. */
+#include <bits/fcntl.h>
-#ifdef __USE_BSD
-#define O_NDELAY __O_NDELAY
+/* For Unix98 all symbols from <sys/stat.h> should also be available. */
+#ifdef __USE_UNIX98
+# include <sys/stat.h>
#endif
#ifdef __USE_MISC
-/* Unix-style flags for `fcntl' F_GETFL and F_SETFL. */
-#define FREAD 0x1 /* Read access. */
-#define FWRITE 0x2 /* Write access. */
-#define FNDELAY O_NONBLOCK
-#define FAPPEND O_APPEND
-#define FASYNC 0x40 /* Send SIGIO when data is ready. */
-#define FCREAT O_CREAT
-#define FTRUNC O_TRUNC
-#define FEXCL O_EXCL
-#define FSYNC 0x2000 /* Synchronous writes. */
-
-#ifndef R_OK /* Verbatim from <unistd.h>. Ugh. */
+# 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. */
-
-
-/* Mask for file access modes. */
-#define O_ACCMODE __O_ACCMODE
-
+# 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. */
/* Do the file control operation described by CMD on FD.
The remaining arguments are interpreted depending on CMD. */
-extern int EXFUN(__fcntl, (int __fd, int __cmd, ...));
+extern int __fcntl __P ((int __fd, int __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. */
-extern int EXFUN(__open, (CONST char *__file, int __oflag, ...));
-
-#define fcntl __fcntl
-#define open __open
+extern int __open __P ((__const char *__file, int __oflag, ...));
+extern int __open64 __P ((__const char *__file, int __oflag, ...));
+#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. */
-extern int EXFUN(creat, (CONST char *__file, __mode_t __mode));
-
-#ifdef __OPTIMIZE__
-#define creat(file, m) __open((file), O_WRONLY|O_CREAT|O_TRUNC, (m))
-#endif /* Optimizing. */
+#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
-#define flock __flock
-#define F_RDLCK __F_RDLCK
-#define F_WRLCK __F_WRLCK
-#define F_UNLCK __F_UNLCK
+#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 */
+#endif /* fcntl.h */
projects / kopensolaris-gnu / glibc.git / blobdiff