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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 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): 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; if ( ! m.get( p ) ) return NULL; return p; } #ifdef CYGFUN_KERNEL_THREADS_TIMER void * Cyg_Mbox::get( cyg_tick_count timeout ) { void * p; if ( ! m.get( p, timeout ) ) return NULL; return p; } #endif void * Cyg_Mbox::tryget() { void * p; 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; if ( ! m.peek_item( p ) ) return NULL; return p; } // ------------------------------------------------------------------------- // EOF mbox.cxx