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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14685 87f5fb63-7c3d-0410-a384-fd976d0f7a62
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Olaf Barthel
2004-07-26 16:36:55 +00:00
parent a9e8f137ad
commit 91bcdea2a2
669 changed files with 80825 additions and 0 deletions
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library/include/fcntl.h Normal file
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/*
* $Id: fcntl.h,v 1.1.1.1 2004-07-26 16:32:51 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2004 by Olaf Barthel <olsen@sourcery.han.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#ifndef _FCNTL_H
#define _FCNTL_H
/****************************************************************************/
/* The following is not part of the ISO 'C' standard. */
/****************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/****************************************************************************/
#ifndef _SYS_TYPES_H
#include <sys/types.h>
#endif /* _SYS_TYPES_H */
#ifndef _STDDEF_H
#include <stddef.h>
#endif /* _STDDEF_H */
/****************************************************************************/
#define O_RDONLY 0
#define O_WRONLY 1
#define O_RDWR 2
#define O_APPEND (1<<2)
#define O_CREAT (1<<3)
#define O_EXCL (1<<4)
#define O_TRUNC (1<<5)
#define O_NONBLOCK (1<<6)
#define O_SYNC (0)
#define O_NOCTTY (0)
/****************************************************************************/
#define F_DUPFD 0
#define F_GETFD 1
#define F_SETFD 2
#define F_GETFL 3
#define F_SETFL 4
#define F_GETOWN 5
#define F_SETOWN 6
/****************************************************************************/
/*
* Advisory file segment locking data type -
* information passed to system by user
*/
struct flock
{
short l_type; /* lock type: read/write, etc. */
short l_whence; /* type of l_start */
off_t l_start; /* starting offset */
off_t l_len; /* len = 0 means until end of file */
pid_t l_pid; /* lock owner */
};
#define F_GETLK 100 /* get record locking information */
#define F_SETLK 101 /* set record locking information */
#define F_SETLKW 102 /* F_SETLK; wait if blocked */
#define F_RDLCK 1 /* shared or read lock */
#define F_UNLCK 2 /* unlock */
#define F_WRLCK 3 /* exclusive or write lock */
/****************************************************************************/
extern int open(const char *path_name, int open_flag, ... /* mode_t mode */ );
extern int creat(const char * path_name, mode_t mode);
extern int close(int file_descriptor);
extern off_t lseek(int file_descriptor, off_t offset, int mode);
extern ssize_t read(int file_descriptor, void * buffer, size_t num_bytes);
extern ssize_t write(int file_descriptor, const void * buffer, size_t num_bytes);
extern int fcntl(int file_descriptor, int cmd, ... /* int arg */ );
/****************************************************************************/
#ifdef __cplusplus
}
#endif /* __cplusplus */
/****************************************************************************/
#endif /* _FCNTL_H */