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//==========================================================================
//
// bin_sem1.cxx
//
// Binary semaphore test 1
//
//==========================================================================
// ####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): dsm
// Contributors: dsm
// Date: 1998-02-24
// Description: Tests basic binary semaphore functionality.
//####DESCRIPTIONEND####
#include <pkgconf/kernel.h>
#include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
#include <cyg/kernel/thread.hxx> // Cyg_Thread
#include <cyg/kernel/thread.inl>
#include <cyg/kernel/sema.hxx>
#include <cyg/infra/testcase.h>
#include <cyg/kernel/sched.inl>
#define NTHREADS 2
#include "testaux.hxx"
static Cyg_Binary_Semaphore s0(true), s1(false), s2;
static volatile cyg_ucount8 q = 0;
static void entry0( CYG_ADDRWORD data )
{
s0.wait();
CHECK( 0 == q++ );
s1.post();
s0.wait();
CHECK( 2 == q++ );
CHECK( ! s0.posted() );
CHECK( ! s0.trywait() );
s0.post();
CHECK( 3 == q++ );
CHECK( s0.posted() );
s1.post();
CHECK( ! s2.posted() );
s2.wait();
CHECK( 5 == q++ );
CYG_TEST_PASS_FINISH("Binary Semaphore 1 OK");
}
static void entry1( CYG_ADDRWORD data )
{
CHECK( s1.posted() );
s1.wait();
CHECK( 1 == q++ );
CHECK( ! s0.posted() );
s0.post();
s1.wait();
CHECK( 4 == q++ );
CHECK( s0.posted() );
CHECK( s0.trywait() );
CHECK( ! s0.posted() );
s2.post();
s0.wait();
CYG_TEST_FAIL_FINISH("Not reached");
}
void bin_sem1_main( void )
{
CYG_TEST_INIT();
new_thread( entry0, 0);
new_thread( entry1, 1);
#ifdef CYGIMP_THREAD_PRIORITY
thread[0]->set_priority( 4 );
thread[1]->set_priority( 5 ); // make sure the threads execute as intended
#endif
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
bin_sem1_main();
}
// EOF bin_sem1.cxx
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