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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "system.h"
rtems_task Priority_task(
rtems_task_argument its_index_arg
)
{
rtems_interval timeout;
rtems_task_priority its_priority;
rtems_task_priority current_priority;
rtems_status_code status;
int its_index;
uint32_t index;
its_index = (int) its_index_arg;
its_priority = Task_priority[ its_index ];
if ( its_priority < 3 )
timeout = 5 * rtems_clock_get_ticks_per_second();
else
timeout = RTEMS_NO_TIMEOUT;
put_name( Priority_task_name[ its_index ], FALSE );
puts( " - rtems_semaphore_obtain - wait forever on SM2" );
status = rtems_semaphore_obtain(
Semaphore_id[ 2 ],
RTEMS_DEFAULT_OPTIONS,
timeout
);
directive_failed( status, "rtems_semaphore_obtain of SM2" );
if ( its_priority < PRIORITY_INHERIT_BASE_PRIORITY ) {
printf(
"PRI%d - WHY AM I HERE? (pri=%" PRIdrtems_task_priority ")",
its_index,
its_priority
);
rtems_test_exit( 0 );
}
/* special case of setting priority while holding a resource */
{
rtems_task_priority priority;
rtems_task_priority old_priority;
puts( "Set priority of self while holding resource" );
status =
rtems_task_set_priority( RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &priority );
directive_failed( status, "rtems_task_set_priority get current" );
status = rtems_task_set_priority( RTEMS_SELF, priority, &old_priority );
directive_failed( status, "rtems_task_set_priority with resource" );
if ( priority != old_priority ) {
printf(
"priority != old_priority (%" PRIdrtems_task_priority
" != %" PRIdrtems_task_priority ")\n",
priority,
old_priority
);
rtems_test_exit(0);
}
}
if ( its_index == 5 )
puts( "PRI5 - rtems_task_suspend - until all priority tasks blocked" );
status = rtems_task_suspend( RTEMS_SELF );
directive_failed( status, "rtems_task_suspend" );
puts( "PRI5 - rtems_task_delete - all tasks waiting on SM2" );
for ( index = 1 ; index < 5 ; index++ ) {
status = rtems_task_delete( Priority_task_id[ index ] );
directive_failed( status, "rtems_task_delete loop" );
}
puts( "PRI5 - rtems_semaphore_obtain - nested" );
status = rtems_semaphore_obtain(
Semaphore_id[ 2 ],
RTEMS_DEFAULT_OPTIONS,
timeout
);
directive_failed( status, "rtems_semaphore_obtain nested" );
puts( "PRI5 - rtems_semaphore_release - nested" );
status = rtems_semaphore_release( Semaphore_id[ 2 ] );
directive_failed( status, "rtems_semaphore_release nested " );
puts( "PRI5 - rtems_semaphore_release - restore priority" );
status = rtems_semaphore_release( Semaphore_id[ 2 ] );
directive_failed( status, "rtems_semaphore_release" );
status = rtems_task_set_priority(
RTEMS_SELF,
RTEMS_CURRENT_PRIORITY,
¤t_priority
);
directive_failed( status, "PRI5 rtems_task_set_priority CURRENT" );
printf(
"PRI5 - priority of PRI5 is %" PRIdrtems_task_priority "\n",
current_priority
);
(void) rtems_task_suspend( RTEMS_SELF );
}
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