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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.

//

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// or inline functions from this file, or you compile this file and link it

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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