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/**
* @file rtems/rtems/attr.h
*
* This include file contains all information about the Object Attributes
* Handler.
*/
/* COPYRIGHT (c) 1989-2008.
* 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.
*
* $Id$
*/
#ifndef _RTEMS_RTEMS_ATTR_H
#define _RTEMS_RTEMS_ATTR_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup ClassicAttributes Attributes
*
* @ingroup ClassicRTEMS
*
* This encapsulates functionality which defines and manages the
* set of Classic API object attributes.
*/
/**@{*/
/**
* This defines the type used to contain Classic API attributes. These
* are primarily used when creating objects.
*/
typedef uint32_t rtems_attribute;
/** This is the default value for an attribute set. */
#define RTEMS_DEFAULT_ATTRIBUTES 0x00000000
/**
* This is the attribute constant to indicate local resource.
*/
#define RTEMS_LOCAL 0x00000000
/**
* This is the attribute constant to indicate global resource.
*/
#define RTEMS_GLOBAL 0x00000002
/**
* This is the attribute constant which reflects that blocking
* tasks will be managed using FIFO discipline.
*/
#define RTEMS_FIFO 0x00000000
/**
* This is the attribute constant which reflects that blocking
* tasks will be managed using task priority discipline.
*/
#define RTEMS_PRIORITY 0x00000004
/******************** RTEMS Task Specific Attributes *********************/
/**
* This attribute constant indicates that the task will not use the
* floating point hardware. If the architecture permits it, then
* the FPU will be disabled when the task is executing.
*/
#define RTEMS_NO_FLOATING_POINT 0x00000000
/**
* This attribute constant indicates that the task will use the
* floating point hardware. There will be a floating point
* context associated with this task.
*/
#define RTEMS_FLOATING_POINT 0x00000001
/***************** RTEMS Semaphore Specific Attributes ********************/
/**
* This is the mask for the attribute bits associated with the
* Classic API Semaphore Manager.
*/
#define RTEMS_SEMAPHORE_CLASS 0x00000030
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will be a counting semaphore.
*/
#define RTEMS_COUNTING_SEMAPHORE 0x00000000
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will be a proper binary semaphore or mutex.
*/
#define RTEMS_BINARY_SEMAPHORE 0x00000010
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will be a simple binary semaphore.
*/
#define RTEMS_SIMPLE_BINARY_SEMAPHORE 0x00000020
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will NOT use the Priority Inheritance Protocol.
*/
#define RTEMS_NO_INHERIT_PRIORITY 0x00000000
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will use the Priority Inheritance Protocol.
*
* @note The semaphore instance must be a binary semaphore.
*/
#define RTEMS_INHERIT_PRIORITY 0x00000040
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will NOT use the Priority Ceiling Protocol.
*/
#define RTEMS_NO_PRIORITY_CEILING 0x00000000
/**
* This attribute constant indicates that the Classic API Semaphore
* instance created will use the Priority Ceiling Protocol.
*
* @note The semaphore instance must be a binary semaphore.
*/
#define RTEMS_PRIORITY_CEILING 0x00000080
/******************** RTEMS Barrier Specific Attributes ********************/
/**
* This attribute constant indicates that the Classic API Barrier
* instance created will use an automatic release protocol.
*/
#define RTEMS_BARRIER_AUTOMATIC_RELEASE 0x00000010
/**
* This attribute constant indicates that the Classic API Barrier
* instance created will use the manual release protocol.
*/
#define RTEMS_BARRIER_MANUAL_RELEASE 0x00000000
/**************** RTEMS Internal Task Specific Attributes ****************/
/**
* This attribute constant indicates that the task was created
* by the application using normal Classic API methods.
*/
#define RTEMS_APPLICATION_TASK 0x00000000
/**
* This attribute constant indicates that the task was created
* by RTEMS as a support task.
*/
#define RTEMS_SYSTEM_TASK 0x00008000
/****************** Forced Attributes in Configuration ****************/
/**
* This attribute constant indicates the attributes that are not
* supportable given the hardware configuration.
*/
#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
#define ATTRIBUTES_NOT_SUPPORTED 0
#else
#define ATTRIBUTES_NOT_SUPPORTED RTEMS_FLOATING_POINT
#endif
/**
* This attribute constant indicates the attributes that are
* required given the hardware configuration.
*/
#if ( CPU_ALL_TASKS_ARE_FP == TRUE )
#define ATTRIBUTES_REQUIRED RTEMS_FLOATING_POINT
#else
#define ATTRIBUTES_REQUIRED 0
#endif
#ifndef __RTEMS_APPLICATION__
#include <rtems/rtems/attr.inl>
#endif
#ifdef __cplusplus
}
#endif
/**@}*/
#endif
/* end of include file */
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