/*
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* Copyright (C) 2011 Philippe Gerum <rpm@xenomai.org>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#ifndef _ALCHEMY_INTERNAL_H
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#define _ALCHEMY_INTERNAL_H
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#include "boilerplate/ancillaries.h"
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#include "boilerplate/namegen.h"
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#include "timer.h"
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#define DEFINE_SYNC_LOOKUP(__name, __dsctype) \
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static inline struct alchemy_ ## __name * \
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get_alchemy_ ## __name(__dsctype *desc, \
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struct syncstate *syns, int *err_r) \
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{ \
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struct alchemy_ ## __name *cb; \
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\
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if (bad_pointer(desc)) { \
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*err_r = -EINVAL; \
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return NULL; \
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} \
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\
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cb = mainheap_deref(desc->handle, struct alchemy_ ## __name); \
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if (bad_pointer(cb)) { \
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*err_r = -EINVAL; \
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return NULL; \
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} \
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\
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if (syncobj_lock(&cb->sobj, syns) || \
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cb->magic != __name ## _magic) { \
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*err_r = -EINVAL; \
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return NULL; \
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} \
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\
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return cb; \
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} \
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\
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static inline \
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void put_alchemy_ ## __name(struct alchemy_ ## __name *cb, \
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struct syncstate *syns) \
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{ \
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syncobj_unlock(&cb->sobj, syns); \
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}
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#define __DEFINE_LOOKUP(__scope, __name, __dsctype) \
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__scope struct alchemy_ ## __name * \
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find_alchemy_ ## __name(__dsctype *desc, int *err_r) \
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{ \
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struct alchemy_ ## __name *cb; \
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\
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if (bad_pointer(desc)) { \
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*err_r = -EINVAL; \
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return NULL; \
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} \
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\
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cb = mainheap_deref(desc->handle, struct alchemy_ ## __name); \
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if (bad_pointer(cb) || cb->magic != __name ## _magic) { \
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*err_r = -EINVAL; \
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return NULL; \
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} \
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\
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return cb; \
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} \
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#define DEFINE_LOOKUP_PRIVATE(__name, __dsctype) \
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__DEFINE_LOOKUP(static inline, __name, __dsctype)
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#define DEFINE_LOOKUP(__name, __dsctype) \
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__DEFINE_LOOKUP(, __name, __dsctype)
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struct syncluster;
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int alchemy_bind_object(const char *name, struct syncluster *sc,
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RTIME timeout,
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int offset,
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uintptr_t *handle);
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#endif /* !_ALCHEMY_INTERNAL_H */
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