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/**
* @file
*
* This test exercises the POSIX Spinlock manager.
*/
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tmacros.h"
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <pthread.h>
#include <rtems.h> /* for task creation */
/* forward declarations to avoid warnings */
int test_main(void);
rtems_task SpinlockThread(rtems_task_argument arg);
pthread_spinlock_t Spinlock;
rtems_task SpinlockThread(rtems_task_argument arg)
{
int status;
puts( "pthread_spin_trylock( &Spinlock ) -- EBUSY" );
status = pthread_spin_trylock( &Spinlock );
rtems_test_assert( status == EBUSY );
puts( "pthread_spin_unlock( &Spinlock ) -- EPERM" );
status = pthread_spin_unlock( &Spinlock );
rtems_test_assert( status == EPERM );
rtems_task_delete( RTEMS_SELF );
}
/*
* main entry point to the test
*/
#if defined(__rtems__)
int test_main(void)
#else
int main(
int argc,
char **argv
)
#endif
{
int status;
rtems_status_code rstatus;
rtems_id taskid;
puts( "\n\n*** POSIX SPINLOCK TEST 02 ***" );
/* This successfully creates one */
puts( "pthread_spin_init( &Spinlock, PTHREAD_PROCESS_PRIVATE ) -- OK" );
status = pthread_spin_init( &Spinlock, PTHREAD_PROCESS_PRIVATE );
rtems_test_assert( status == 0 );
/* Lock it */
puts( "pthread_spin_lock( &Spinlock ) -- OK" );
status = pthread_spin_lock( &Spinlock );
rtems_test_assert( status == 0 );
/* Create a helper task */
rstatus = rtems_task_create(
rtems_build_name( 'S', 'P', 'I', 'N' ),
1,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&taskid
);
rtems_test_assert( rstatus == RTEMS_SUCCESSFUL );
rstatus = rtems_task_start( taskid, SpinlockThread, 0 );
rtems_test_assert( rstatus == RTEMS_SUCCESSFUL );
sleep(1);
puts( "pthread_spin_unlock( &Spinlock ) -- OK" );
status = pthread_spin_unlock( &Spinlock );
rtems_test_assert( status == 0 );
puts( "pthread_spin_destroy( &Spinlock ) -- OK" );
status = pthread_spin_destroy( &Spinlock );
rtems_test_assert( status == 0 );
/*************** END OF TEST *****************/
puts( "*** END OF POSIX SPINLOCK TEST 02 ***" );
exit(0);
}
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