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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 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: 2000-04-19
// Purpose:
// Description:
// Usage: #include <cyg/libc/stdio/stdiosupp.hxx>
//
//####DESCRIPTIONEND####
//
//========================================================================
// CONFIGURATION
#include <pkgconf/libc_stdio.h> // libc stdio configuration
// INCLUDES
#include <cyg/infra/cyg_type.h> // cyg_bool, cyg_ucount8, cyg_ucount16
#include <cyg/libc/stdio/stream.hxx> // Cyg_StdioStream
#ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
# include <cyg/kernel/mutex.hxx> // 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 <cyg/libc/stdio/stdiofiles.inl>
#endif // CYGONCE_LIBC_STDIO_STDIOFILES_HXX multiple inclusion protection
// EOF stdiofiles.hxx
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