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/**
* @file rtems/rtems/options.h
*
* @defgroup ClassicOptions Classic API Options
*
* @ingroup ClassicRTEMS
* @brief Options Available on Many Directives
*
* This include file contains information which defines the
* options available on many directives.
*/
/* 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.
*/
#ifndef _RTEMS_RTEMS_OPTIONS_H
#define _RTEMS_RTEMS_OPTIONS_H
#include <rtems/score/basedefs.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup ClassicOptions Classic API Options
*
* @ingroup ClassicRTEMS
*
* This encapsulates functionality related to the options argument
* to Classic API blocking operations. The primary option is whether
* or not a task is willing to wait for the operation to complete.
*/
/**@{*/
/**
* The following type defines the control block used to manage
* option sets.
*/
typedef uint32_t rtems_option;
/**
* The following constants define the individual options which may
* be used to compose an option set.
*/
#define RTEMS_DEFAULT_OPTIONS 0x00000000
/**
* This option constants indicates that the task is to wait on resource.
*/
#define RTEMS_WAIT 0x00000000
/**
* This option constants indicates that the task is to not wait on
* the resource. If it is not available, return immediately with
* a status to indicate unsatisfied.
*/
#define RTEMS_NO_WAIT 0x00000001
/**
* This option constants indicates that the task wishes to wait until
* all events of interest are available.
*/
#define RTEMS_EVENT_ALL 0x00000000
/**
* This option constants indicates that the task wishes to wait until
* ANY events of interest are available.
*/
#define RTEMS_EVENT_ANY 0x00000002
/**@}*/
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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