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#ifndef CYGONCE_ISO_FCNTL_H
#define CYGONCE_ISO_FCNTL_H
/*========================================================================
//
// fcntl.h
//
// POSIX file control functions
//
//========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos 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 General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jlarmour
// Contributors:
// Date: 2000-05-05
// Purpose: This file provides the macros, types and functions
// for file control required by POSIX 1003.1.
// Description: The real contents of this file get set from the
// configuration (set by the implementation)
// Usage: #include <fcntl.h>
//
//####DESCRIPTIONEND####
//
//======================================================================
*/
/* CONFIGURATION */
#include <pkgconf/isoinfra.h> /* Configuration header */
/* INCLUDES */
#ifdef CYGBLD_ISO_OFLAG_HEADER
# include CYGBLD_ISO_OFLAG_HEADER
#else
/* File access modes used for open() and fnctl() */
#define O_RDONLY (1<<0) /* Open for reading only */
#define O_WRONLY (1<<1) /* Open for writing only */
#define O_RDWR (O_RDONLY|O_WRONLY) /* Open for reading and writing */
/* File access mode mask */
#define O_ACCMODE (O_RDONLY|O_RDWR|O_WRONLY)
/* open() mode flags */
#define O_CREAT (1<<3) /* Create file it it does not exist */
#define O_EXCL (1<<4) /* Exclusive use */
#define O_NOCTTY (1<<5) /* Do not assign a controlling terminal */
#define O_TRUNC (1<<6) /* Truncate */
/* File status flags used for open() and fcntl() */
#define O_APPEND (1<<7) /* Set append mode */
#define O_DSYNC (1<<8) /* Synchronized I/O data integrity writes */
#define O_NONBLOCK (1<<9) /* No delay */
#define O_RSYNC (1<<10) /* Synchronized read I/O */
#define O_SYNC (1<<11) /* Synchronized I/O file integrity writes */
#endif /* ifndef CYGBLD_ISO_OFLAG_HEADER */
#if CYGINT_ISO_FCNTL
# ifdef CYGBLD_ISO_FCNTL_HEADER
# include CYGBLD_ISO_FCNTL_HEADER
# else
/* fcntl() command values */
#define F_DUPFD (1<<0) /* Duplicate file descriptor */
#define F_GETFD (1<<1) /* Get file descriptor flags */
#define F_SETFD (1<<2) /* Set file descriptor flags */
#define F_GETFL (1<<3) /* Get file status flags */
#define F_SETFL (1<<4) /* Set file status flags */
#define F_GETLK (1<<5) /* Get record locking information */
#define F_SETLK (1<<6) /* Set record locking information */
#define F_SETLKW (1<<7) /* Set record locking info; wait if blocked */
/* fd flags */
#define FD_CLOEXEC (1<<0) /* Close fd on exec */
/* Lock types */
#define F_RDLCK (1<<0) /* Shared or read lock */
#define F_UNLCK (1<<1) /* Unlock */
#define F_WRLCK (1<<2) /* Exclusive or write lock */
#include <sys/types.h> /* off_t, pid_t */
struct flock {
short l_type; /* F_RDLCK, F_WRLCK, F_UNLCK */
short l_whence; /* Flag for starting offset */
off_t l_start; /* Relative offset in bytes */
off_t l_len; /* Size; if 0, then until EOF */
pid_t l_pid; /* Process ID of the process holding the lock,
* returned with F_GETLK. */
};
#ifdef __cplusplus
extern "C"
#else
extern
#endif
int
fcntl( int /* fildes */, int /* cmd */, ... );
# endif /* ifndef CYGBLD_ISO_FCNTL_HEADER */
#endif /* if CYGINT_ISO_FCNTL */
#if CYGINT_ISO_OPEN
# ifdef CYGBLD_ISO_OPEN_HEADER
# include CYGBLD_ISO_OPEN_HEADER
# else
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h> /* mode_t */
extern int
open( const char * /* path */, int /* oflag */, ... );
extern int
creat( const char * /* path */, mode_t /* mode */ );
#ifdef __cplusplus
} /* extern "C" */
#endif
# endif /* ifndef CYGBLD_ISO_OPEN_HEADER */
#endif /* if CYGINT_ISO_OPEN */
#endif /* CYGONCE_ISO_FCNTL_H multiple inclusion protection */
/* EOF fcntl.h */
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