52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/*
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Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "hio-prv.h"
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void hio_rco_init (hio_rco_t* obj, hio_t* hio, hio_rco_fini_t fini)
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{
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obj->rco_hio = hio;
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obj->rco_refcnt = 0;
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obj->rco_fini = fini;
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}
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void hio_rco_ref (hio_rco_t* obj)
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{
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obj->rco_refcnt++;
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}
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void hio_rco_unref (hio_rco_t* obj)
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{
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hio_t* hio = obj->rco_hio;
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HIO_ASSERT(hio, obj->rco_refcnt > 0);
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if (--obj->rco_refcnt == 0)
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{
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/* cache hio above - the block is gone by the time we free it */
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if (obj->rco_fini) obj->rco_fini(obj);
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hio_freemem(hio, obj);
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}
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}
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