ioimpl.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_IOIMPL_H
#define _RTEMS_IOIMPL_H
 
#include <rtems/io.h>
#include <rtems/score/isrlock.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
extern const size_t _IO_Number_of_drivers;
 
extern rtems_driver_address_table _IO_Driver_address_table[];
 
extern bool _IO_All_drivers_initialized;
 
void _IO_Initialize_all_drivers( void );
 
ISR_LOCK_DECLARE( extern, _IO_Driver_registration_lock )
 
RTEMS_INLINE_ROUTINE void _IO_Driver_registration_acquire(
  ISR_lock_Context *lock_context
)
{
  _ISR_lock_ISR_disable_and_acquire(
    &_IO_Driver_registration_lock,
    lock_context
  );
}
 
RTEMS_INLINE_ROUTINE void _IO_Driver_registration_release(
  ISR_lock_Context *lock_context
)
{
  _ISR_lock_Release_and_ISR_enable(
    &_IO_Driver_registration_lock,
    lock_context
  );
}
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* _RTEMS_IOIMPL_H */