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