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Diffstat (limited to 'StdLib/Include/sys/fcntl.h')
| -rw-r--r-- | StdLib/Include/sys/fcntl.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/StdLib/Include/sys/fcntl.h b/StdLib/Include/sys/fcntl.h new file mode 100644 index 0000000000..cd720c03d9 --- /dev/null +++ b/StdLib/Include/sys/fcntl.h @@ -0,0 +1,150 @@ +/** @file
+ This file includes the definitions for open and fcntl described by POSIX
+ for <fcntl.h>; it also includes related kernel definitions.
+
+ Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials are licensed and made
+ available under the terms and conditions of the BSD License which
+ accompanies this distribution. The full text of the license may be found
+ at http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Copyright (c) 1983, 1990, 1993
+ The Regents of the University of California. All rights reserved.
+ (c) UNIX System Laboratories, Inc.
+ All or some portions of this file are derived from material licensed
+ to the University of California by American Telephone and Telegraph
+ Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ the permission of UNIX System Laboratories, Inc.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the University nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+
+ fcntl.h 8.3 (Berkeley) 1/21/94
+ NetBSD: fcntl.h,v 1.34 2006/10/05 14:48:33 chs Exp
+ */
+#ifndef _SYS_FCNTL_H_
+#define _SYS_FCNTL_H_
+
+#include <sys/featuretest.h>
+#include <sys/types.h>
+
+#include <sys/stat.h>
+
+/*
+ * File status flags: these are used by open(2), fcntl(2).
+ * They are also used (indirectly) in the kernel file structure f_flags,
+ * which is a superset of the open/fcntl flags. Open flags and f_flags
+ * are inter-convertible using OFLAGS(fflags) and FFLAGS(oflags).
+ * Open/fcntl flags begin with O_; kernel-internal flags begin with F.
+ */
+/* open-only flags */
+#define O_RDONLY 0x00000000 /* open for reading only */
+#define O_WRONLY 0x00000001 /* open for writing only */
+#define O_RDWR 0x00000002 /* open for reading and writing */
+#define O_ACCMODE 0x00000003 /* mask for above modes */
+
+/*
+ * Kernel encoding of open mode; separate read and write bits that are
+ * independently testable: 1 greater than the above.
+ *
+ * XXX
+ * FREAD and FWRITE are excluded from the #ifdef _KERNEL so that TIOCFLUSH,
+ * which was documented to use FREAD/FWRITE, continues to work.
+ */
+#define FREAD 0x00000001
+#define FWRITE 0x00000002
+#define O_NONBLOCK 0x00000004 /* no delay */
+#define O_APPEND 0x00000008 /* set append mode */
+#define O_CREAT 0x00000200 /* create if nonexistent */
+#define O_TRUNC 0x00000400 /* truncate to zero length */
+#define O_EXCL 0x00000800 /* error if already exists */
+
+//#define O_DIRECT 0x00080000 /* direct I/O hint */
+
+#define O_SETMASK 0x0000000F /* Flags modifiable by F_SETFD (fcntl) */
+
+/*
+ * Constants used for fcntl(2)
+ */
+
+/* command values */
+#define F_DUPFD 0 /* duplicate file descriptor */
+#define F_GETFD 1 /* get file descriptor flags */
+#define F_SETFD 2 /* set file descriptor flags */
+#define F_GETFL 3 /* get file status flags */
+#define F_SETFL 4 /* set file status flags */
+#define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */
+#define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */
+#define F_GETLK 7 /* get record locking information */
+#define F_SETLK 8 /* set record locking information */
+#define F_SETLKW 9 /* F_SETLK; wait if blocked */
+#define F_CLOSEM 10 /* close all fds >= to the one given */
+#define F_MAXFD 11 /* return the max open fd */
+
+/* file descriptor flags (F_GETFD, F_SETFD) */
+#define FD_CLOEXEC 1 /* close-on-exec flag */
+
+/* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */
+#define F_RDLCK 1 /* shared or read lock */
+#define F_UNLCK 2 /* unlock */
+#define F_WRLCK 3 /* exclusive or write lock */
+
+/* Constants for fcntl's passed to the underlying fs - like ioctl's. */
+#define F_PARAM_MASK 0xfff
+#define F_PARAM_LEN(x) (((x) >> 16) & F_PARAM_MASK)
+#define F_PARAM_MAX 4095
+#define F_FSCTL (int)0x80000000 /* This fcntl goes to the fs */
+#define F_FSVOID (int)0x40000000 /* no parameters */
+#define F_FSOUT (int)0x20000000 /* copy out parameter */
+#define F_FSIN (int)0x10000000 /* copy in parameter */
+#define F_FSINOUT (F_FSIN | F_FSOUT)
+#define F_FSDIRMASK (int)0x70000000 /* mask for IN/OUT/VOID */
+#define F_FSPRIV (int)0x00008000 /* command is fs-specific */
+
+/* Always ensure that these are consistent with <stdio.h> and <unistd.h>! */
+#ifndef SEEK_SET
+ #define SEEK_SET 0 /* set file offset to offset */
+#endif
+#ifndef SEEK_CUR
+ #define SEEK_CUR 1 /* set file offset to current plus offset */
+#endif
+#ifndef SEEK_END
+ #define SEEK_END 2 /* set file offset to EOF plus offset */
+#endif
+
+#include <sys/EfiCdefs.h>
+
+__BEGIN_DECLS
+#ifndef __FCNTL_SYSCALLS_DECLARED
+ #define __FCNTL_SYSCALLS_DECLARED
+ int open(const char *, int, int );
+ int creat(const char *, mode_t);
+ int fcntl(int, int, ...);
+#endif // __FCNTL_SYSCALLS_DECLARED
+__END_DECLS
+
+#endif /* !_SYS_FCNTL_H_ */
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