forked from Imagelibrary/rtems
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*
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* COPYRIGHT (c) 1989-2010.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <errno.h>
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#include <tmacros.h>
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#include "test_support.h"
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const char rtems_test_name[] = "PSXGETRUSAGE 1";
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/* configuration information */
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#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_MAXIMUM_TASKS 1
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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rtems_task Init(
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rtems_task_argument argument
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)
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{
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int sc;
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struct rusage usage;
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TEST_BEGIN();
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puts( "getrusage( RUSAGE_SELF, NULL ) -- EFAULT" );
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sc = getrusage( RUSAGE_SELF, NULL );
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rtems_test_assert( sc == -1 );
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rtems_test_assert( errno == EFAULT );
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puts( "getrusage( RUSAGE_CHILDREN, &usage ) -- ENOSYS" );
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sc = getrusage( RUSAGE_CHILDREN, &usage );
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rtems_test_assert( sc == -1 );
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rtems_test_assert( errno == ENOSYS );
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puts( "getrusage( 77, &usage ) -- EINVAL" );
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sc = getrusage( 77, &usage );
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rtems_test_assert( sc == -1 );
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rtems_test_assert( errno == EINVAL );
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puts( "Consume CPU long enough to have non-zero usage" );
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rtems_test_spin_for_ticks( 5 );
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puts( "getrusage( RUSAGE_SELF, &usage ) -- EINVAL" );
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sc = getrusage( RUSAGE_SELF, &usage );
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rtems_test_assert( sc == 0 );
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/* CPU usage is non-zero */
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rtems_test_assert( usage.ru_utime.tv_sec == 0 );
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rtems_test_assert( usage.ru_utime.tv_usec != 0 );
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/* System and user time is the same */
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rtems_test_assert( usage.ru_utime.tv_sec == usage.ru_stime.tv_sec );
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rtems_test_assert( usage.ru_utime.tv_usec == usage.ru_stime.tv_usec );
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TEST_END();
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rtems_test_exit(0);
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}
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