/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSImplClassicTask
*
* @brief This source file contains the implementation of
* rtems_task_create().
*/
/*
* Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
*
* 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 <rtems/rtems/tasksimpl.h>
#include <rtems/score/stackimpl.h>
#include <string.h>
static rtems_status_code _RTEMS_tasks_Allocate_and_prepare_stack(
Thread_Configuration *thread_config,
const rtems_task_config *config
)
{
size_t size;
thread_config->stack_free = _Stack_Free;
size = _Stack_Ensure_minimum( config->storage_size );
size = _Stack_Extend_size( size, thread_config->is_fp );
thread_config->stack_size = size;
thread_config->stack_area = _Stack_Allocate( size );
if ( thread_config->stack_area == NULL ) {
return RTEMS_UNSATISFIED;
}
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_task_create(
rtems_name name,
rtems_task_priority initial_priority,
size_t stack_size,
rtems_mode initial_modes,
rtems_attribute attribute_set,
rtems_id *id
)
{
rtems_task_config config;
memset( &config, 0, sizeof( config ) );
config.name = name;
config.initial_priority = initial_priority;
config.storage_size = stack_size;
config.initial_modes = initial_modes;
config.attributes = attribute_set;
return _RTEMS_tasks_Create(
&config,
id,
_RTEMS_tasks_Allocate_and_prepare_stack
);
}
