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//==========================================================================
//
// mbox1.cxx
//
// Mbox test 1
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2006 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: dsm
// Contributors: dsm
// Date: 1998-05-19
// Description: Tests basic mbox 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/mbox.hxx>
#include <cyg/infra/testcase.h>
#include <cyg/kernel/sched.inl>
#include <cyg/kernel/timer.hxx> // Cyg_Timer
#include <cyg/kernel/clock.inl> // Cyg_Clock
#define NTHREADS 2
#include "testaux.hxx"
static Cyg_Mbox m0, m1, m2;
static volatile cyg_atomic q = 0;
#ifndef CYGMTH_MBOX_PUT_CAN_WAIT
#define PUT tryput
#endif
static void entry0( CYG_ADDRWORD data )
{
cyg_count8 u,i;
Cyg_Thread::self()->set_priority(4);
CYG_TEST_INFO("Testing put() and tryput() without wakeup");
CYG_TEST_CHECK(!m0.waiting_to_get(), "mbox not initialized properly");
CYG_TEST_CHECK(0==m0.peek(), "mbox not initialized properly");
CYG_TEST_CHECK(NULL==m0.peek_item(), "mbox not initialized properly");
m0.PUT((void *)55);
CYG_TEST_CHECK(1==m0.peek(), "peek() wrong");
CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
for(u=1; m0.tryput((void*)u); u++) {
CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
CYG_TEST_CHECK(u+1==m0.peek(), "peek() wrong");
}
CYG_TEST_CHECK(u == CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE, "mbox not configured size");
// m0 now contains ( 55 1 2 .. u-1 )
CYG_TEST_CHECK(u==m0.peek(), "peek() wrong");
CYG_TEST_CHECK(55==(cyg_count8)m0.peek_item(), "peek_item() wrong");
CYG_TEST_INFO("Testing get(), tryget()");
i = (cyg_count8)m0.tryget();
CYG_TEST_CHECK( 55 == i, "Got wrong message" );
for(cyg_count8 j=1; j<u;j++) {
CYG_TEST_CHECK( j == (cyg_count8)m0.peek_item(), "peek_item()" );
CYG_TEST_CHECK( m0.peek() == u - j, "peek() wrong" );
i = (cyg_count8)m0.get();
CYG_TEST_CHECK( j == i, "Got wrong message" );
}
CYG_TEST_CHECK( NULL == m0.peek_item(), "peek_item()" );
CYG_TEST_CHECK( 0 == m0.peek(), "peek()");
// m0 now empty
CYG_TEST_CHECK(!m0.waiting_to_put(), "waiting_to_put()");
CYG_TEST_CHECK(!m0.waiting_to_get(), "waiting_to_get()");
CYG_TEST_INFO("Testing get(), blocking");
CYG_TEST_CHECK(0==q++, "bad synchronization");
m1.PUT((void*)99); // wakes t1
i = (cyg_count8)m0.get(); // sent by t1
CYG_TEST_CHECK(3==i, "Recieved wrong message");
CYG_TEST_CHECK(2==q++, "bad synchronization");
#ifdef CYGFUN_KERNEL_THREADS_TIMER
CYG_TEST_CHECK(NULL==m0.get(
Cyg_Clock::real_time_clock->current_value() + 10),
"unexpectedly found message");
CYG_TEST_CHECK(3==q++, "bad synchronization");
// Allow t1 to run as this get times out
// t1 must not be waiting...
CYG_TEST_CHECK(m0.waiting_to_get(), "waiting_to_get()");
m0.PUT((void*)7); // wake t1 from timed get
#ifdef CYGMTH_MBOX_PUT_CAN_WAIT
q=10;
while(m0.tryput((void*)6)) // fill m0's queue
;
// m0 now contains ( 6 ... 6 )
CYG_TEST_CHECK(10==q++, "bad synchronization");
m1.put((void*)4); // wake t1
CYG_TEST_CHECK(!m0.put((void*)8, 2), "timed put() unexpectedly worked");
CYG_TEST_CHECK(12==q++, "bad synchronization");
// m0 still contains ( 6 ... 6 )
m0.put((void*)9);
CYG_TEST_CHECK(13==q++, "bad synchronization");
#endif
#endif
i=(cyg_count8)m2.get();
CYG_TEST_FAIL_FINISH("Not reached");
}
static void entry1( CYG_ADDRWORD data )
{
#ifdef CYGMTH_MBOX_PUT_CAN_WAIT
cyg_count8 i;
#endif
Cyg_Thread::self()->set_priority(5);
#ifdef CYGMTH_MBOX_PUT_CAN_WAIT
i = (cyg_count8)m1.get();
#endif
CYG_TEST_CHECK(1==q++, "bad synchronization");
m0.PUT((void *)3); // wake t0
#ifdef CYGFUN_KERNEL_THREADS_TIMER
CYG_TEST_INFO("Testing timed functions");
CYG_TEST_CHECK(7==(cyg_count8)m0.get(
Cyg_Clock::real_time_clock->current_value() + 20), "timed get()");
CYG_TEST_CHECK(4==q++, "bad synchronization");
#ifdef CYGMTH_MBOX_PUT_CAN_WAIT
CYG_TEST_CHECK(4==(cyg_count8)m1.get());
CYG_TEST_CHECK(11==q++, "bad synchronization");
thread[0]->delay(20); // allow t0 to reach put on m1
CYG_TEST_CHECK(14==q++, "bad synchronization");
CYG_TEST_CHECK(m0.waiting_to_put(), "waiting_to_put()");
do {
// after first get m0 contains ( 6 .. 6 9 )
i=(cyg_count8)m0.tryget();
} while(6==i);
CYG_TEST_CHECK(9==i,"put gone awry");
#endif
#endif
CYG_TEST_PASS_FINISH("Mbox 1 OK");
}
void mbox1_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
mbox1_main();
}
// EOF mbox1.cxx
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