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//==========================================================================
//
// mbox.cxx
//
// Mbox mbox template class implementation
//
//==========================================================================
// ####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): hmt
// Contributors: hmt
// Date: 1998-02-11
// Purpose: Mbox implementation
// Description: This file contains the implementations of the mbox class
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <pkgconf/kernel.h>
#include <cyg/kernel/ktypes.h> // base kernel types
#include <cyg/infra/cyg_trac.h> // tracing macros
#include <cyg/infra/cyg_ass.h> // assertion macros
#include <cyg/kernel/instrmnt.h> // instrumentation
#include <cyg/kernel/thread.inl> // Cyg_Thread inlines
#include <cyg/kernel/mbox.hxx> // our own header
#ifndef CYGIMP_MBOXT_INLINE // force inlining
#define CYGIMP_MBOXT_INLINE // of implementation
#endif
#ifdef CYGIMP_MBOX_USE_MBOXT_PLAIN
#include <cyg/kernel/mboxt.inl> // mbox template implementation
#else
#include <cyg/kernel/mboxt2.inl> // mbox template implementation
#endif
// -------------------------------------------------------------------------
// This module exists to cause exactly one instance of these functions to
// exist; this is just like a vanilla class, except we use the template
// class to acquire an implementation. The template functions are inlined
// in each of these methods.
// -------------------------------------------------------------------------
// Constructor
Cyg_Mbox::Cyg_Mbox()
{
}
// -------------------------------------------------------------------------
// Destructor
Cyg_Mbox::~Cyg_Mbox()
{
}
// -------------------------------------------------------------------------
// debugging/assert function
#ifdef CYGDBG_USE_ASSERTS
cyg_bool
Cyg_Mbox::check_this(cyg_assert_class_zeal zeal) const
{
return m.check_this(zeal);
}
#endif
// -------------------------------------------------------------------------
// now the members themselves:
void *
Cyg_Mbox::get()
{
void * p=NULL;
if ( ! m.get( p ) )
return NULL;
return p;
}
#ifdef CYGFUN_KERNEL_THREADS_TIMER
void *
Cyg_Mbox::get( cyg_tick_count timeout )
{
void * p=NULL;
if ( ! m.get( p, timeout ) )
return NULL;
return p;
}
#endif
void *
Cyg_Mbox::tryget()
{
void * p=NULL;
if ( ! m.tryget( p ) )
return NULL;
return p;
}
#ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
cyg_bool
Cyg_Mbox::put( void *item )
{
return m.put( item );
}
#ifdef CYGFUN_KERNEL_THREADS_TIMER
cyg_bool
Cyg_Mbox::put( void *item, cyg_tick_count timeout )
{
return m.put( item, timeout );
}
#endif
#endif // CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
cyg_bool
Cyg_Mbox::tryput( void *item )
{
return m.tryput( item );
}
void *
Cyg_Mbox::peek_item() // Get next item to be returned
{
void *p=NULL;
if ( ! m.peek_item( p ) )
return NULL;
return p;
}
// -------------------------------------------------------------------------
// EOF mbox.cxx
|
