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phoenix |
/*==========================================================================
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//
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// kflag1.cxx
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//
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// Kernel C API Flag test 1
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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: dsm
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// Contributors: hmt
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// Date: 1998-10-19
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// Description: Tests basic flag functionality.
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//####DESCRIPTIONEND####
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*/
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#include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
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#include <cyg/kernel/kapi.h>
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#include <cyg/infra/testcase.h>
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#ifdef CYGFUN_KERNEL_API_C
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#include "testaux.h"
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#define NTHREADS 3
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#define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
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static cyg_handle_t thread[NTHREADS];
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static cyg_thread thread_obj[NTHREADS];
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static char stack[NTHREADS][STACKSIZE];
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static cyg_flag_t f0, f1;
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#ifdef CYGFUN_KERNEL_THREADS_TIMER
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static cyg_flag_t f2;
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#endif
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static volatile cyg_ucount8 q = 0;
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#define FIRST_THREAD_WAIT_TIME 5
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#define SECOND_THREAD_WAIT_TIME 10
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#define THIRD_THREAD_WAIT_TIME 20
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static void entry0( cyg_addrword_t data )
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{
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CYG_TEST_INFO("Testing cyg_flag_setbits() and cyg_flag_maskbits()");
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CYG_TEST_CHECK(0==cyg_flag_peek( &f0 ), "flag not initialized properly");
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cyg_flag_setbits( &f0, 0x1);
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CYG_TEST_CHECK(1==cyg_flag_peek( &f0 ), "setbits");
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cyg_flag_setbits( &f0, 0x3);
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CYG_TEST_CHECK(3==cyg_flag_peek( &f0 ), "setbits");
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cyg_flag_maskbits( &f0, ~0x5);
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CYG_TEST_CHECK(2==cyg_flag_peek( &f0 ), "maskbits");
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cyg_flag_setbits( &f0, ~0 );
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CYG_TEST_CHECK(~0u==cyg_flag_peek( &f0 ), "setbits all set");
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cyg_flag_maskbits( &f0, 0 );
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CYG_TEST_CHECK(0==cyg_flag_peek( &f0 ), "maskbits all clear");
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CYG_TEST_CHECK(0==q++, "bad synchronization");
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CYG_TEST_INFO("Testing cyg_flag_wait()");
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cyg_flag_setbits( &f1, 0x4);
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CYG_TEST_CHECK(0x4==cyg_flag_peek( &f1 ), "setbits");
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CYG_TEST_CHECK(1==q++, "bad synchronization");
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cyg_flag_setbits( &f1, 0x18); // wake t1
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cyg_flag_wait( &f1, 0x11, CYG_FLAG_WAITMODE_AND | CYG_FLAG_WAITMODE_CLR);
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CYG_TEST_CHECK(0==cyg_flag_peek( &f1 ), "flag value wrong");
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CYG_TEST_CHECK(3==q++, "bad synchronization");
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cyg_flag_setbits( &f0, 0x2); // wake t1
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cyg_flag_wait( &f1, 0x10, CYG_FLAG_WAITMODE_AND );
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cyg_flag_setbits( &f0, 0x1); // wake t1
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cyg_flag_wait( &f1, 0x11, CYG_FLAG_WAITMODE_AND | CYG_FLAG_WAITMODE_CLR);
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#ifdef CYGFUN_KERNEL_THREADS_TIMER
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cyg_flag_wait( &f2, 0x2, CYG_FLAG_WAITMODE_OR);
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CYG_TEST_CHECK(20==q,"bad synchronization");
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cyg_flag_timed_wait( &f2, 0x10, CYG_FLAG_WAITMODE_AND,
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cyg_current_time()+THIRD_THREAD_WAIT_TIME);
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CYG_TEST_CHECK(21==q++,"bad synchronization");
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#endif
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cyg_flag_wait( &f0, 1, CYG_FLAG_WAITMODE_OR);
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CYG_TEST_FAIL_FINISH("Not reached");
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}
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static void entry1( cyg_addrword_t data )
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{
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cyg_flag_wait( &f1, 0xc, CYG_FLAG_WAITMODE_AND);
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CYG_TEST_CHECK(2==q++, "bad synchronization");
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CYG_TEST_CHECK(0x1c==cyg_flag_peek( &f1 ), "flag value wrong");
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cyg_flag_setbits( &f1, 0x1); // wake t0
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cyg_flag_wait( &f0, 0x3, CYG_FLAG_WAITMODE_OR);
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CYG_TEST_CHECK(4==q++, "bad synchronization");
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CYG_TEST_CHECK(2==cyg_flag_peek( &f0 ), "flag value wrong");
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cyg_flag_setbits( &f1, 0xf0); // wake t0,t2
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cyg_flag_wait( &f0, 0x5, CYG_FLAG_WAITMODE_AND | CYG_FLAG_WAITMODE_CLR);
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CYG_TEST_CHECK(0==cyg_flag_peek( &f0 ), "flag value wrong");
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CYG_TEST_CHECK(0xf0==cyg_flag_peek( &f1 ), "flag value wrong");
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CYG_TEST_CHECK(5==q++, "bad synchronization");
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cyg_flag_maskbits( &f1, 0 );
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CYG_TEST_CHECK(0==cyg_flag_peek( &f1 ), "flag value wrong");
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CYG_TEST_INFO("Testing cyg_flag_poll()");
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cyg_flag_setbits( &f0, 0x55);
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CYG_TEST_CHECK(0x55==cyg_flag_peek( &f0 ), "flag value wrong");
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CYG_TEST_CHECK(0x55==cyg_flag_poll( &f0, 0x3, CYG_FLAG_WAITMODE_OR),"bad poll() return");
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CYG_TEST_CHECK(0==cyg_flag_poll( &f0, 0xf, CYG_FLAG_WAITMODE_AND),"poll()");
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CYG_TEST_CHECK(0==cyg_flag_poll( &f0, 0xa, CYG_FLAG_WAITMODE_OR),"poll()");
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CYG_TEST_CHECK(0x55==cyg_flag_peek( &f0 ), "flag value wrong");
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CYG_TEST_CHECK(0x55==cyg_flag_poll( &f0, 0xf, CYG_FLAG_WAITMODE_OR | CYG_FLAG_WAITMODE_CLR),"poll");
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CYG_TEST_CHECK(0x0==cyg_flag_peek( &f0 ), "flag value wrong");
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cyg_flag_setbits( &f0, 0x50);
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CYG_TEST_CHECK(0x50==cyg_flag_poll( &f0, 0x10, CYG_FLAG_WAITMODE_AND | CYG_FLAG_WAITMODE_CLR),"poll");
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CYG_TEST_CHECK(0x0==cyg_flag_peek( &f0 ), "flag value wrong");
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CYG_TEST_INFO("Testing cyg_flag_waiting()");
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cyg_flag_maskbits( &f0, 0 );
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CYG_TEST_CHECK(!cyg_flag_waiting( &f0 ), "waiting()");
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#ifdef CYGFUN_KERNEL_THREADS_TIMER
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cyg_thread_delay( 10 ); // allow other threads to reach wait on f1
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CYG_TEST_CHECK(cyg_flag_waiting( &f1 ), "waiting() not true");
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cyg_flag_setbits( &f1, ~0 ); // wake one of t0,t2
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CYG_TEST_CHECK(cyg_flag_waiting( &f1 ),"waiting() not true");
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#else
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cyg_flag_setbits( &f1, 0x11); // wake one of t0,t2
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#endif
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cyg_flag_setbits( &f1, 0x11); // wake other of t0,t2
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CYG_TEST_CHECK(!cyg_flag_waiting( &f1 ),"waiting not false");
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CYG_TEST_CHECK(0x0==cyg_flag_peek( &f1 ), "flag value wrong");
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#ifdef CYGFUN_KERNEL_THREADS_TIMER
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CYG_TEST_INFO("Testing cyg_flag_timed_wait()");
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q=20;
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cyg_flag_setbits( &f2, 0x2); // synchronize with t0,t2
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CYG_TEST_CHECK(20==q,"bad synchronization");
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cyg_flag_timed_wait( &f2, 0x20, CYG_FLAG_WAITMODE_AND,
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cyg_current_time()+SECOND_THREAD_WAIT_TIME);
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CYG_TEST_CHECK(22==q++,"bad synchronization");
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#endif
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CYG_TEST_PASS_FINISH("Kernel C API Flag 1 OK");
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}
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static void entry2( cyg_addrword_t data )
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{
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cyg_flag_wait( &f1, 0x60, CYG_FLAG_WAITMODE_OR);
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cyg_flag_setbits( &f0, 0x4);
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cyg_flag_wait( &f1, 0x11, CYG_FLAG_WAITMODE_AND | CYG_FLAG_WAITMODE_CLR);
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#ifdef CYGFUN_KERNEL_THREADS_TIMER
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cyg_flag_wait( &f2, 0x2, CYG_FLAG_WAITMODE_OR);
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CYG_TEST_CHECK(20==q,"bad synchronization");
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CYG_TEST_CHECK(0==cyg_flag_timed_wait( &f2, 0x40, CYG_FLAG_WAITMODE_AND,
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cyg_current_time()+FIRST_THREAD_WAIT_TIME),
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"timed wait() wrong");
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CYG_TEST_CHECK(20==q++,"bad synchronization");
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// Now wake t0 before it times out
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cyg_flag_setbits( &f2, 0x10);
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#endif
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cyg_flag_wait( &f0, 1, CYG_FLAG_WAITMODE_OR);
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CYG_TEST_FAIL_FINISH("Not reached");
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}
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void kflag1_main( void )
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{
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CYG_TEST_INIT();
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cyg_flag_init( &f0 );
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cyg_flag_init( &f1 );
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#ifdef CYGFUN_KERNEL_THREADS_TIMER
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cyg_flag_init( &f2 );
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#endif
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cyg_thread_create( 1, entry0 , (cyg_addrword_t)0, "kflag1-0",
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(void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
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cyg_thread_resume(thread[0]);
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cyg_thread_create( 1, entry1 , (cyg_addrword_t)1, "kflag1-1",
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(void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
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cyg_thread_resume(thread[1]);
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cyg_thread_create( 1, entry2 , (cyg_addrword_t)2, "kflag1-2",
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(void *)stack[2], STACKSIZE, &thread[2], &thread_obj[2]);
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cyg_thread_resume(thread[2]);
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cyg_scheduler_start();
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CYG_TEST_FAIL_FINISH("Not reached");
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}
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externC void
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cyg_start( void )
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{
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kflag1_main();
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}
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#else /* def CYGFUN_KERNEL_API_C */
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externC void
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cyg_start( void )
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{
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CYG_TEST_INIT();
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CYG_TEST_NA("Kernel C API layer disabled");
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}
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#endif /* def CYGFUN_KERNEL_API_C */
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// EOF flag1.cxx
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