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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [isoinfra/] [v2_0/] [include/] [fcntl.h] - Blame information for rev 174

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#ifndef CYGONCE_ISO_FCNTL_H
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#define CYGONCE_ISO_FCNTL_H
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/*========================================================================
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//
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//      fcntl.h
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//
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//      POSIX file control functions
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//
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//========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):     jlarmour
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// Contributors:
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// Date:          2000-05-05
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// Purpose:       This file provides the macros, types and functions
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//                for file control required by POSIX 1003.1.
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// Description:   The real contents of this file get set from the
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//                configuration (set by the implementation)
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// Usage:         #include <fcntl.h>
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//
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//####DESCRIPTIONEND####
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//
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//======================================================================
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*/
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/* CONFIGURATION */
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#include <pkgconf/isoinfra.h>          /* Configuration header */
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/* INCLUDES */
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#ifdef CYGBLD_ISO_OFLAG_HEADER
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# include CYGBLD_ISO_OFLAG_HEADER
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#else
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/* File access modes used for open() and fnctl() */
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#define O_RDONLY     (1<<0)   /* Open for reading only */
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#define O_WRONLY     (1<<1)   /* Open for writing only */
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#define O_RDWR       (O_RDONLY|O_WRONLY) /* Open for reading and writing */
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/* File access mode mask */
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#define O_ACCMODE    (O_RDONLY|O_RDWR|O_WRONLY)
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/* open() mode flags */
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#define O_CREAT      (1<<3)    /* Create file it it does not exist */
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#define O_EXCL       (1<<4)    /* Exclusive use */
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#define O_NOCTTY     (1<<5)    /* Do not assign a controlling terminal */
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#define O_TRUNC      (1<<6)    /* Truncate */
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/* File status flags used for open() and fcntl() */
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#define O_APPEND     (1<<7)    /* Set append mode */
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#define O_DSYNC      (1<<8)    /* Synchronized I/O data integrity writes */
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#define O_NONBLOCK   (1<<9)    /* No delay */
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#define O_RSYNC      (1<<10)   /* Synchronized read I/O */
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#define O_SYNC       (1<<11)   /* Synchronized I/O file integrity writes */
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#endif /* ifndef CYGBLD_ISO_OFLAG_HEADER */
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#if CYGINT_ISO_FCNTL
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# ifdef CYGBLD_ISO_FCNTL_HEADER
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#  include CYGBLD_ISO_FCNTL_HEADER
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# else
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/* fcntl() command values */
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#define F_DUPFD      (1<<0)    /* Duplicate file descriptor */
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#define F_GETFD      (1<<1)    /* Get file descriptor flags */
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#define F_SETFD      (1<<2)    /* Set file descriptor flags */
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#define F_GETFL      (1<<3)    /* Get file status flags */
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#define F_SETFL      (1<<4)    /* Set file status flags */
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#define F_GETLK      (1<<5)    /* Get record locking information */
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#define F_SETLK      (1<<6)    /* Set record locking information */
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#define F_SETLKW     (1<<7)    /* Set record locking info; wait if blocked */
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/* fd flags */
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#define FD_CLOEXEC   (1<<0)    /* Close fd on exec */
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/* Lock types */
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#define F_RDLCK      (1<<0)    /* Shared or read lock */
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#define F_UNLCK      (1<<1)    /* Unlock */
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#define F_WRLCK      (1<<2)    /* Exclusive or write lock */
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#include <sys/types.h>   /* off_t, pid_t */
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struct flock {
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    short l_type;     /* F_RDLCK, F_WRLCK, F_UNLCK */
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    short l_whence;   /* Flag for starting offset */
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    off_t l_start;    /* Relative offset in bytes */
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    off_t l_len;      /* Size; if 0, then until EOF */
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    pid_t l_pid;      /* Process ID of the process holding the lock,
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                       * returned with F_GETLK. */
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};
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#ifdef __cplusplus
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extern "C"
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#else
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extern
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#endif
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int
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fcntl( int /* fildes */, int /* cmd */, ... );
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# endif /* ifndef CYGBLD_ISO_FCNTL_HEADER */
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#endif  /* if CYGINT_ISO_FCNTL */
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#if CYGINT_ISO_OPEN
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# ifdef CYGBLD_ISO_OPEN_HEADER
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#  include CYGBLD_ISO_OPEN_HEADER
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# else
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/types.h>    /* mode_t */
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extern int
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open( const char * /* path */, int /* oflag */, ... );
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extern int
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creat( const char * /* path */, mode_t /* mode */ );
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#ifdef __cplusplus
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}   /* extern "C" */
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#endif
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# endif /* ifndef CYGBLD_ISO_OPEN_HEADER */
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#endif  /* if CYGINT_ISO_OPEN */
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#endif /* CYGONCE_ISO_FCNTL_H multiple inclusion protection */
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/* EOF fcntl.h */

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