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#ifndef CYGONCE_LIBC_STDIO_STDIOFILES_HXX

#define CYGONCE_LIBC_STDIO_STDIOFILES_HXX

//========================================================================

//

//      stdiofiles.hxx

//

//      ISO C library stdio central file access

//

//========================================================================

//####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:          2000-04-19

// Purpose:

// Description:

// Usage:         #include 

//

//####DESCRIPTIONEND####

//

//========================================================================

// CONFIGURATION

#include     // libc stdio configuration

// INCLUDES

#include           // cyg_bool, cyg_ucount8, cyg_ucount16

#include      // Cyg_StdioStream

#ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS

# include    // mutexes

#endif

// CLASSES

class Cyg_libc_stdio_files

{

    // List of open files - global for now

    static

    Cyg_StdioStream *files[FOPEN_MAX];

# ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS

    // lock for the above

    static

    Cyg_Mutex files_lock;

# endif

public:

# if FOPEN_MAX < 256

    typedef cyg_ucount8 fd_t;

# else

    typedef cyg_ucount16 fd_t;

# endif

    static Cyg_StdioStream *

    get_file_stream( fd_t fd );

    static void

    set_file_stream( fd_t fd, Cyg_StdioStream *stream );

    // the following functions lock(), trylock() and unlock() do nothing

    // if we haven't got thread-safe streams

    static cyg_bool

    lock(void);

    static cyg_bool

    trylock(void);

    static void

    unlock(void);

}; // class Cyg_libc_stdio_files

// Inline functions for this class

#include 

#endif // CYGONCE_LIBC_STDIO_STDIOFILES_HXX multiple inclusion protection

// EOF stdiofiles.hxx