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/*
* COPYRIGHT (c) 1989-2010.
* 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.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
#if !HAVE_DECL_GETRUSAGE
extern int getrusage(int who, struct rusage *usage);
#endif
#include <tmacros.h>
#include "test_support.h"
const char rtems_test_name[] = "PSXGETRUSAGE 1";
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
rtems_task Init(
rtems_task_argument argument
)
{
int sc;
struct rusage usage;
TEST_BEGIN();
puts( "getrusage( RUSAGE_SELF, NULL ) -- EFAULT" );
sc = getrusage( RUSAGE_SELF, NULL );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == EFAULT );
puts( "getrusage( RUSAGE_CHILDREN, &usage ) -- ENOSYS" );
sc = getrusage( RUSAGE_CHILDREN, &usage );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == ENOSYS );
puts( "getrusage( 77, &usage ) -- EINVAL" );
sc = getrusage( 77, &usage );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == EINVAL );
puts( "Consume CPU long enough to have non-zero usage" );
rtems_test_spin_for_ticks( 5 );
puts( "getrusage( RUSAGE_SELF, &usage ) -- EINVAL" );
sc = getrusage( RUSAGE_SELF, &usage );
rtems_test_assert( sc == 0 );
/* CPU usage is non-zero */
rtems_test_assert( usage.ru_utime.tv_sec == 0 );
rtems_test_assert( usage.ru_utime.tv_usec != 0 );
/* System and user time is the same */
rtems_test_assert( usage.ru_utime.tv_sec == usage.ru_stime.tv_sec );
rtems_test_assert( usage.ru_utime.tv_usec == usage.ru_stime.tv_usec );
TEST_END();
rtems_test_exit(0);
}
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