view packages/language/c/libc/current/src/clibincl/stdiofiles.inl @ 2:443894e2e912 ecos-v1_2_1-release

Block commit of eCos version 1.2.1
author jlarmour
date Tue, 11 May 1999 12:24:34 +0000
parents
children c38311975d4f
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#ifndef CYGONCE_LIBC_STDIOFILES_INL
#define CYGONCE_LIBC_STDIOFILES_INL
//========================================================================
//
//      stdiofiles.inl
//
//      ISO C library stdio central file inlines
//
//========================================================================
//####COPYRIGHTBEGIN####
//
// -------------------------------------------
// The contents of this file are subject to the Cygnus eCos Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License.  You may obtain a copy of the License at
// http://sourceware.cygnus.com/ecos
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
// License for the specific language governing rights and limitations under
// the License.
// 
// The Original Code is eCos - Embedded Cygnus Operating System, released
// September 30, 1998.
// 
// The Initial Developer of the Original Code is Cygnus.  Portions created
// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
// -------------------------------------------
//
//####COPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     jlarmour
// Contributors:  jlarmour
// Date:          1999-01-21
// Purpose:     
// Description: 
// Usage:         Do not include this file directly. Instead use:
//                #include "clibincl/stdiosupp.hxx"
//
//####DESCRIPTIONEND####
//
//========================================================================

// CONFIGURATION

#include <pkgconf/libc.h>          // C library configuration

#ifdef CYGPKG_LIBC_STDIO

// INCLUDES

#include <cyg/infra/cyg_type.h>    // cyg_bool
#include <cyg/infra/cyg_ass.h>     // Assert interface
#include "clibincl/stdiofiles.hxx" // header for this file
#include "clibincl/stream.hxx"     // Cyg_StdioStream

#ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
# include <cyg/kernel/mutex.hxx>   // mutexes
#endif

// INLINE METHODS

inline Cyg_StdioStream *
Cyg_libc_stdio_files::get_file_stream( fd_t fd )
{
    CYG_PRECONDITION( (fd < FOPEN_MAX),
                  "Attempt to open larger file descriptor than FOPEN_MAX!" );

    return files[fd];

} // Cyg_libc_stdio_files::get_file_stream()
            
inline void
Cyg_libc_stdio_files::set_file_stream( fd_t fd, Cyg_StdioStream *stream )
{
    CYG_PRECONDITION( (fd < FOPEN_MAX),
                  "Attempt to set larger file descriptor than FOPEN_MAX!" );

    files[fd] = stream;

} // Cyg_libc_stdio_files::set_file_stream()


inline cyg_bool
Cyg_libc_stdio_files::lock(void)
{
# ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
    return files_lock.lock();
# else
    return true;
# endif
} // Cyg_libc_stdio_files::lock()

inline cyg_bool
Cyg_libc_stdio_files::trylock(void)
{
# ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
    return files_lock.trylock();
# else
    return true;
# endif
} // Cyg_libc_stdio_files::trylock()

inline void
Cyg_libc_stdio_files::unlock(void)
{
# ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
    files_lock.unlock();
# endif
} // Cyg_libc_stdio_files::unlock()


#endif // ifdef CYGPKG_LIBC_STDIO

#endif // CYGONCE_LIBC_STDIOFILES_INL multiple inclusion protection

// EOF stdiofiles.inl