51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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/*
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* Copyright © 2011 Red Hat
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Jerome Glisse <j.glisse@gmail.com>
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*/
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#ifndef RBO_H
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#define RBO_H
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#include "util_double_list.h"
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struct rbo {
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struct list_head list;
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int fd;
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unsigned refcount;
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unsigned mapcount;
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unsigned handle;
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unsigned size;
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unsigned alignment;
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void *data;
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};
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struct rbo *rbo(int fd, unsigned handle, unsigned size,
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unsigned alignment, void *ptr);
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int rbo_map(struct rbo *bo);
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void rbo_unmap(struct rbo *bo);
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struct rbo *rbo_incref(struct rbo *bo);
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struct rbo *rbo_decref(struct rbo *bo);
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int rbo_wait(struct rbo *bo);
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#endif
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