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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 Red Hat, 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.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-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 */