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//==========================================================================

//

//        pthread2.cxx

//

//        POSIX pthread test 2 - per-thread data

//

//==========================================================================

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//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     nickg

// Contributors:  nickg

// Date:          2000-04-10

// Description:   Tests POSIX per-thread data.

//

//####DESCRIPTIONEND####

//==========================================================================

#include <cyg/infra/testcase.h>

#include <pkgconf/posix.h>

#ifndef CYGPKG_POSIX_PTHREAD

#define NA_MSG "POSIX threads not enabled"

#endif

#ifdef NA_MSG

void

cyg_start(void)

{

    CYG_TEST_INIT();

    CYG_TEST_NA(NA_MSG);

}

#else

#include <sys/types.h>

#include <pthread.h>

//--------------------------------------------------------------------------

// Thread stack.

char thread_stack[2][PTHREAD_STACK_MIN*2];

pthread_t thread[2];

pthread_key_t key;

//--------------------------------------------------------------------------

void key_destructor( void *val )

{

    int ret;

    CYG_TEST_INFO( "key destructor called" );

    if( (long)val == 0xAAAAAAAA )

    {

        ret = pthread_setspecific( key, NULL );

        CYG_TEST_CHECK( ret == 0, "pthread_setspecific() returned error");

    }

    else

    {

        ret = pthread_setspecific( key, (void *)0xAAAAAAAA );

        CYG_TEST_CHECK( ret == 0, "pthread_setspecific() returned error");

    }

}

//--------------------------------------------------------------------------

void *pthread_entry( void *arg)

{

    int ret;

    int retval = 1;

    void *val;

    CYG_TEST_INFO( "Thread running" );

    ret = pthread_setspecific( key, arg );

    CYG_TEST_CHECK( ret == 0, "pthread_setspecific() returned error");

    val = pthread_getspecific( key );

    CYG_TEST_CHECK( val == arg, "pthread_getspecific() did not return expected value");

    if( val != arg ) retval = 0;

    sched_yield();

    val = pthread_getspecific( key );

    CYG_TEST_CHECK( val == arg, "pthread_getspecific() did not return expected value");

    if( val != arg ) retval = 0;

    pthread_exit( (void *)retval );

}

//--------------------------------------------------------------------------

int main(int argc, char **argv)

{

    int i;

    int ret;

    void *retval[2];

    CYG_TEST_INIT();

    // allocate data key

    ret = pthread_key_create( &key, key_destructor );

    CYG_TEST_CHECK( ret == 0, "pthread_key_create() returned error");

    // Create test threads

    for( i = 0; i < 2; i++ )

    {

        pthread_attr_t attr;

        pthread_attr_init( &attr );

        pthread_attr_setstackaddr( &attr, (void *)&thread_stack[i][sizeof(thread_stack[i])] );

        pthread_attr_setstacksize( &attr, sizeof(thread_stack[i]) );

        ret = pthread_create( &thread[i],

                              &attr,

                              pthread_entry,

                              (void *)(0x12340000+i));

        CYG_TEST_CHECK( ret == 0, "pthread_create() returned error");

    }

    // Now join with threads

    for( i = 0; i < 2; i++ )

        pthread_join( thread[i], &retval[i] );

    ret = pthread_key_delete( key );

    CYG_TEST_CHECK( ret == 0, "pthread_key_delete() returned error");

    // check retvals

    for( i = 0; i < 2; i++ )

        if( !(long)retval[0] )

            CYG_TEST_FAIL_FINISH( "pthread2" );

    CYG_TEST_PASS_FINISH( "pthread2" );

}

#endif

//--------------------------------------------------------------------------

// end of pthread2.c