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//==========================================================================
//
//        kill.cxx
//
//        Thread kill test
//
//==========================================================================
//####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
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
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//
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// 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
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// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     nickg
// Contributors:  nickg
// Date:          1998-04-24
// Description:   Tests the functionality of thread kill() and
//                reinitalize().
//####DESCRIPTIONEND####
 
#include <pkgconf/kernel.h>
 
#include <cyg/kernel/thread.hxx>
#include <cyg/kernel/thread.inl>
#include <cyg/kernel/sched.hxx>
#include <cyg/kernel/mutex.hxx>
#include <cyg/kernel/sema.hxx>
 
#include <cyg/infra/testcase.h>
 
#ifdef CYGFUN_KERNEL_THREADS_TIMER
 
#include <cyg/kernel/sched.inl>
 
#define NTHREADS 3
 
#include "testaux.hxx"
 
// In general, this delay has to be long enough to account for slow targets
// and potential problems on e.g. the linux synthetic target to avoid
// potential problems due to timing inaccuracy and scheduling of Linux
// tasks. It is decreased further below for simulators.
int delay_ticks = 5;
 
 
static Cyg_Binary_Semaphore s0, s1;
 
volatile cyg_atomic thread0_state;
volatile cyg_atomic thread1_state;
volatile cyg_atomic thread2_state;
 
static void entry0( CYG_ADDRWORD data )
{
    Cyg_Thread *self = Cyg_Thread::self();
 
    thread0_state = 1;
 
    s0.wait();
 
    thread0_state = 2;
 
    CYG_TEST_FAIL_FINISH("Thread not killed");        
 
    self->exit();
}
 
 
static void entry1( CYG_ADDRWORD data )
{
    Cyg_Thread *self = Cyg_Thread::self();
 
    thread1_state = 1;
 
    self->delay(delay_ticks);
 
    if( thread2_state != 1 )
        CYG_TEST_FAIL_FINISH("Thread2 in wrong state");        
 
    thread1_state = 2;
 
    thread[0]->kill();
 
    thread1_state = 3;    
 
    thread[2]->kill();
 
    thread1_state = 4;
 
    self->delay(delay_ticks);
 
    thread1_state = 5;
    thread2_state = 0;
 
    thread[2]->reinitialize();
    thread[2]->resume();
 
    self->delay(delay_ticks);
 
    if( thread2_state != 1 )
        CYG_TEST_FAIL_FINISH("Thread2 in wrong state");        
 
    thread1_state = 6;
 
    self->delay(delay_ticks);
 
    if( thread2_state != 2 )
        CYG_TEST_FAIL_FINISH("Thread2 in wrong state");        
 
    thread[2]->kill();
 
    thread1_state = 7;
 
    CYG_TEST_PASS_FINISH("Kill OK");
 
    Cyg_Thread::self()->exit();
}
 
static void entry2( CYG_ADDRWORD data )
{
    thread2_state = 1;
 
    while( thread1_state != 6 ) continue;
 
    thread2_state = 2;
 
    for(;;) continue;
 
}
 
void release_main(void)
{
    CYG_TEST_INIT();
 
    if (cyg_test_is_simulator)
        delay_ticks = 2;
 
    new_thread( entry0, 0);
    new_thread( entry1, 1);
    new_thread( entry2, 2);
 
    thread[0]->set_priority(5);
    thread[1]->set_priority(6);
    thread[2]->set_priority(7);
 
    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
    release_main();
}
 
#else // ifdef CYGFUN_KERNEL_THREADS_TIMER
 
externC void
cyg_start( void )
{
    CYG_TEST_INIT();
    CYG_TEST_NA("Kernel threads timer disabled");
}
 
#endif // ifdef CYGFUN_KERNEL_THREADS_TIMER
 
// EOF kill.cxx