corerwlock.h

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/*
 *  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.org/license/LICENSE.
 */

#ifndef _RTEMS_SCORE_CORERWLOCK_H
#define _RTEMS_SCORE_CORERWLOCK_H

#include <rtems/score/threadq.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
  CORE_RWLOCK_UNLOCKED,
  CORE_RWLOCK_LOCKED_FOR_READING,
  CORE_RWLOCK_LOCKED_FOR_WRITING
}   CORE_RWLock_States;

typedef struct {
  int XXX;
}   CORE_RWLock_Attributes;

typedef struct {
  Thread_queue_Control     Wait_queue;
  CORE_RWLock_Attributes  Attributes;
  CORE_RWLock_States       current_state;
  uint32_t                 number_of_readers;
}   CORE_RWLock_Control;

#ifdef __cplusplus
}
#endif

#endif
/*  end of include file */