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authorRoland McGrath <roland@hack.frob.com>2012-08-07 14:12:10 -0700
committerRoland McGrath <roland@hack.frob.com>2012-08-07 14:12:10 -0700
commit22895b476794b69a9a42e6bb4ceb929dc6a43917 (patch)
treebfd7812b299c40b3b1fa95ef413ab662b554fa05 /bits/fcntl.h
parent707a53b60035e4d28ceff79d114cf18ed31dfbc5 (diff)
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Make the bsd4.4/bits/fcntl.h be the generic one.
Diffstat (limited to 'bits/fcntl.h')
-rw-r--r--bits/fcntl.h73
1 files changed, 62 insertions, 11 deletions
diff --git a/bits/fcntl.h b/bits/fcntl.h
index ba5de00..ddf7ab2 100644
--- a/bits/fcntl.h
+++ b/bits/fcntl.h
@@ -1,5 +1,5 @@
-/* O_*, F_*, FD_* bit values for stub configuration.
- Copyright (C) 1991, 1992, 1997, 2000, 2004 Free Software Foundation, Inc.
+/* O_*, F_*, FD_* bit values. 4.4BSD/Generic version.
+ Copyright (C) 1991-2012 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
@@ -16,10 +16,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-/* These values should be changed as appropriate for your system. */
-
#ifndef _FCNTL_H
-# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
#endif
@@ -33,7 +31,24 @@
#define O_CREAT 0x0200 /* Create file if it doesn't exist. */
#define O_EXCL 0x0800 /* Fail if file already exists. */
#define O_TRUNC 0x0400 /* Truncate file to zero length. */
-#define O_NOCTTY 0x0100 /* Don't assign a controlling terminal. */
+#define O_NOCTTY 0x8000 /* Don't assign a controlling terminal. */
+#define O_ASYNC 0x0040 /* Send SIGIO to owner when data is ready. */
+#define O_FSYNC 0x0080 /* Synchronous writes. */
+#define O_SYNC O_FSYNC
+#ifdef __USE_MISC
+#define O_SHLOCK 0x0010 /* Open with shared file lock. */
+#define O_EXLOCK 0x0020 /* Open with shared exclusive lock. */
+#endif
+#ifdef __USE_XOPEN2K8
+# define O_DIRECTORY 0x00200000 /* Must be a directory. */
+# define O_NOFOLLOW 0x00000100 /* Do not follow links. */
+# define O_CLOEXEC 0x00400000 /* Set close_on_exec. */
+#endif
+
+/* All opens support large file sizes, so there is no flag bit for this. */
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0
+#endif
/* File status flags for `open' and `fcntl'. */
#define O_APPEND 0x0008 /* Writes append to the file. */
@@ -43,6 +58,22 @@
# define O_NDELAY O_NONBLOCK
#endif
+#ifdef __USE_BSD
+/* Bits in the file status flags returned by F_GETFL.
+ These are all the O_* flags, plus FREAD and FWRITE, which are
+ independent bits set by which of O_RDONLY, O_WRONLY, and O_RDWR, was
+ given to `open'. */
+# define FREAD 1
+# define FWRITE 2
+
+/* Traditional BSD names the O_* bits. */
+# define FASYNC O_ASYNC
+# define FFSYNC O_FSYNC
+# define FSYNC O_SYNC
+# define FAPPEND O_APPEND
+# define FNDELAY O_NDELAY
+#endif
+
/* Mask for file access modes. This is system-dependent in case
some system ever wants to define some other flavor of access. */
#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
@@ -53,13 +84,21 @@
#define F_SETFD 2 /* Set file descriptor flags. */
#define F_GETFL 3 /* Get file status flags. */
#define F_SETFL 4 /* Set file status flags. */
-#if defined __USE_BSD || defined __USE_UNIX98
-# define F_GETOWN 5 /* Get owner (receiver of SIGIO). */
-# define F_SETOWN 6 /* Set owner (receiver of SIGIO). */
+#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
+#define F_GETOWN 5 /* Get owner (receiver of SIGIO). */
+#define F_SETOWN 6 /* Set owner (receiver of SIGIO). */
#endif
#define F_GETLK 7 /* Get record locking info. */
-#define F_SETLK 8 /* Set record locking info. */
-#define F_SETLKW 9 /* Set record locking info, wait. */
+#define F_SETLK 8 /* Set record locking info (non-blocking). */
+#define F_SETLKW 9 /* Set record locking info (blocking). */
+/* Not necessary, we always have 64-bit offsets. */
+#define F_GETLK64 F_GETLK /* Get record locking info. */
+#define F_SETLK64 F_SETLK /* Set record locking info (non-blocking). */
+#define F_SETLKW64 F_SETLKW/* Set record locking info (blocking). */
+#ifdef __USE_XOPEN2K8
+# define F_DUPFD_CLOEXEC 12 /* Duplicate file descriptor with
+ close-on-exit set. */
+#endif
/* File descriptor flags used with F_GETFD and F_SETFD. */
#define FD_CLOEXEC 1 /* Close on exec. */
@@ -71,12 +110,24 @@
argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests. */
struct flock
{
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ };
+
+#ifdef __USE_LARGEFILE64
+/* Note this matches struct flock exactly. */
+struct flock64
+ {
__off_t l_start; /* Offset where the lock begins. */
__off_t l_len; /* Size of the locked area; zero means until EOF. */
__pid_t l_pid; /* Process holding the lock. */
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
};
+#endif
/* Values for the `l_type' field of a `struct flock'. */
#define F_RDLCK 1 /* Read lock. */