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/**
* @file
*
* @brief Inlined Routines from the POSIX Spinlock Manager
*
* This file contains the static inlin implementation of the inlined
* routines from the POSIX Spinlock Manager.
*/
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* Copyright (c) 2016 embedded brains GmbH
*
* 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_POSIX_SPINLOCKIMPL_H
#define _RTEMS_POSIX_SPINLOCKIMPL_H
#include <pthread.h>
#include <rtems/score/isrlevel.h>
#if defined(RTEMS_SMP)
#include <rtems/score/percpu.h>
#include <rtems/score/smplockticket.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if SIZEOF_PTHREAD_SPINLOCK_T > 4
#define POSIX_SPINLOCKS_ARE_SELF_CONTAINED
#endif
typedef struct {
#if defined(RTEMS_SMP)
SMP_ticket_lock_Control Lock;
#else
unsigned int reserved[ 2 ];
#endif
ISR_Level interrupt_state;
} POSIX_Spinlock_Control;
#if !defined(POSIX_SPINLOCKS_ARE_SELF_CONTAINED)
#if defined(RTEMS_SMP)
extern POSIX_Spinlock_Control _POSIX_Spinlock_Global;
extern uint32_t _POSIX_Spinlock_Owner;
#endif
extern int _POSIX_Spinlock_Nest_level;
#endif
RTEMS_INLINE_ROUTINE POSIX_Spinlock_Control *_POSIX_Spinlock_Get(
pthread_spinlock_t *lock
)
{
#if defined(POSIX_SPINLOCKS_ARE_SELF_CONTAINED)
return (POSIX_Spinlock_Control *) lock;
#elif defined(RTEMS_SMP)
(void) lock;
return &_POSIX_Spinlock_Global;
#else
(void) lock;
return NULL;
#endif
}
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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