scope.h

/*
 * Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef _BOILERPLATE_SCOPE_H
#define _BOILERPLATE_SCOPE_H

#include <sys/types.h>
#include <stddef.h>
#include <stdint.h>
#include <xeno_config.h>

typedef uintptr_t memoff_t;

#ifdef CONFIG_XENO_PSHARED

extern void *__main_heap;

int pshared_check(void *heap, void *addr);

#define dref_type(t)    memoff_t

#define __memoff(__base, __addr)        ((memoff_t)((caddr_t)(__addr) - (caddr_t)(__base)))
#define __memptr(__base, __off)         ((void *)((caddr_t)(__base) + (__off)))
#define __memchk(__base, __addr)        pshared_check(__base, __addr)

#define __moff(__p)             __memoff(__main_heap, __p)
#define __moff_nullable(__p)    (__p ? __memoff(__main_heap, __p) : 0)
#define __mptr(__off)           __memptr(__main_heap, __off)
#define __mptr_nullable(__off)  (__off ? __memptr(__main_heap, __off) : NULL)
#define __mchk(__p)             __memchk(__main_heap, __p)

#define mutex_scope_attribute   PTHREAD_PROCESS_SHARED
#define sem_scope_attribute     1
#ifdef CONFIG_XENO_COBALT
#define monitor_scope_attribute COBALT_MONITOR_SHARED
#define event_scope_attribute   COBALT_EVENT_SHARED
#endif

#else /* !CONFIG_XENO_PSHARED */

#define __main_heap     NULL

#define dref_type(t)    __typeof__(t)

#define __memoff(__base, __addr)        (__addr)
#define __memptr(__base, __off)         (__off)
#define __memchk(__base, __addr)        1

#define __moff(__p)             (__p)
#define __moff_nullable(__p)    (__p)
#define __mptr(__off)           (__off)
#define __mptr_nullable(__off)  (__off)
#define __mchk(__p)             1

#define mutex_scope_attribute   PTHREAD_PROCESS_PRIVATE
#define sem_scope_attribute     0
#ifdef CONFIG_XENO_COBALT
#define monitor_scope_attribute 0
#define event_scope_attribute   0
#endif

#endif /* !CONFIG_XENO_PSHARED */

#endif /* _BOILERPLATE_SCOPE_H */