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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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/*
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Copyright (c) 2007-2009 FastMQ Inc.
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the Lesser GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ 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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Lesser GNU General Public License for more details.
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You should have received a copy of the Lesser GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZS_MSG_HPP_INCLUDE__
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#define __ZS_MSG_HPP_INCLUDE__
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#include <stddef.h>
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#include "../include/zs.h"
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#include "atomic_counter.hpp"
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//namespace zs
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//{
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// Shared message buffer. Message data are either allocated in one
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// continguous block along with this structure - thus avoiding one
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// malloc/free pair or they are stored in used-supplied memory.
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// In the latter case, ffn member stores pointer to the function to be
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// used to deallocate the data. If the buffer is actually shared (there
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// are at least 2 references to it) refcount member contains number of
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// references.
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struct zs_msg_content
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{
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void *data;
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size_t size;
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zs_free_fn *ffn;
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zs::atomic_counter_t refcnt;
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};
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//}
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#endif
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