Subversion Repositories openrisc_me

//==========================================================================

//

//        cnt_sem1.cxx

//

//        Counting semaphore test 1

//

//==========================================================================

//####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):     dsm

// Contributors:    dsm

// Date:          1998-02-24

// Description:   Tests basic counting semaphore functionality.

//####DESCRIPTIONEND####

#include <pkgconf/kernel.h>

#include <cyg/kernel/thread.hxx>       // Cyg_Thread

#include <cyg/kernel/thread.inl>

#include <cyg/kernel/sched.hxx>        // Cyg_Scheduler::start()

#include <cyg/kernel/sema.hxx>

#include <cyg/infra/testcase.h>

#include <cyg/kernel/sched.inl>

#define NTHREADS 2

#include "testaux.hxx"

static Cyg_Counting_Semaphore s0(0), s1(2), s2;

static volatile cyg_ucount8 q = 0;

static void entry0( CYG_ADDRWORD data )

{

    s0.wait();

    CHECK( 1 == q++ );

    s1.post();

    s0.wait();

    CHECK( 3 == q++ );

    CHECK( 0 == s0.peek() );

    CHECK( ! s0.trywait() );

    s0.post();

    CHECK( 4 == q++ );

    CHECK( 1 == s0.peek() );

    s0.post();

    CHECK( 2 == s0.peek() );

    s1.post();

    CHECK( 0 == s2.peek() );

    s2.wait();

    CHECK( 6 == q++ );

    CYG_TEST_PASS_FINISH("Counting Semaphore 1 OK");

}

static void entry1( CYG_ADDRWORD data )

{

    CHECK( 2 == s1.peek() );

    s1.wait();

    CHECK( 1 == s1.peek() );

    s1.wait();

    CHECK( 0 == q++ );

    CHECK( 0 == s0.peek() );

    s0.post();

    s1.wait();

    CHECK( 2 == q++ );

    s0.post();

    s1.wait();

    CHECK( 5 == q++ );

    CHECK( 2 == s0.peek() );

    CHECK( s0.trywait() );

    CHECK( 1 == s0.peek() );

    CHECK( s0.trywait() );

    CHECK( 0 == s0.peek() );

    s2.post();

    s0.wait();

    CYG_TEST_FAIL_FINISH("Not reached");

}

void cnt_sem1_main( void )

{

    CYG_TEST_INIT();

    new_thread(entry0, 0);

    new_thread(entry1, 1);

    Cyg_Scheduler::start();

    CYG_TEST_FAIL_FINISH("Not reached");

}

externC void

cyg_start( void )

{

#ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG

    cyg_hal_invoke_constructors();

#endif

    cnt_sem1_main();

}

// EOF cnt_sem1.cxx