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//==========================================================================
//
//        pthread2.cxx
//
//        POSIX pthread test 2 - per-thread data
//
//==========================================================================
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// -------------------------------------------
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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:          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