74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/* -*- Mode: C ; c-basic-offset: 2 -*- */
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/*
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* LADI Session Handler (ladish)
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*
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* Copyright (C) 2012 Nedko Arnaudov <nedko@arnaudov.name>
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*
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**************************************************************************
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* This file contains the generic object system functionality
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**************************************************************************
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*
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* LADI Session Handler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* LADI Session Handler 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef OBJECT_H__897CDBE2_6438_4C66_8B39_0B4D4B3CE3EF__INCLUDED
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#define OBJECT_H__897CDBE2_6438_4C66_8B39_0B4D4B3CE3EF__INCLUDED
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#define LADISH_OBJECT_SIGNATURE 0x08032004
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typedef void (* ladish_object_destructor)(void *);
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struct ladish_object
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{
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unsigned int sig;
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unsigned int refcount;
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ladish_object_destructor destructor;
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};
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typedef struct ladish_object ladish_object;
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#define LADISH_OBJECT_CHECK(obj_ptr) ASSERT(obj_ptr->sig == LADISH_OBJECT_SIGNATURE)
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#define obj_ptr ((struct ladish_object *)obj)
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static inline void ladish_object_init(void * obj, unsigned int refcount, ladish_object_destructor destructor)
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{
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obj_ptr->sig = LADISH_OBJECT_SIGNATURE;
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obj_ptr->refcount = refcount;
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obj_ptr->destructor = destructor;
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}
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static inline void ladish_add_ref(void * obj)
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{
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LADISH_OBJECT_CHECK(obj_ptr);
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obj_ptr->refcount++;
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}
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static inline void ladish_del_ref(void * obj)
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{
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LADISH_OBJECT_CHECK(obj_ptr);
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ASSERT(obj_ptr->refcount > 0);
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obj_ptr->refcount--;
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if (obj_ptr->refcount == 0)
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{
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obj_ptr->destructor(obj);
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}
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}
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#undef obj_ptr
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#endif /* #ifndef OBJECT_H__897CDBE2_6438_4C66_8B39_0B4D4B3CE3EF__INCLUDED */
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