From 4ed70a930202b103e7e80b8dc925e0aaa4622595 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Wed, 29 Jul 2009 12:07:54 +0200 Subject: initial commit --- src/msg.hpp | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/msg.hpp (limited to 'src/msg.hpp') diff --git a/src/msg.hpp b/src/msg.hpp new file mode 100644 index 0000000..f4f4d26 --- /dev/null +++ b/src/msg.hpp @@ -0,0 +1,49 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the Lesser GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + Lesser GNU General Public License for more details. + + You should have received a copy of the Lesser GNU General Public License + along with this program. If not, see . +*/ + +#ifndef __ZS_MSG_HPP_INCLUDE__ +#define __ZS_MSG_HPP_INCLUDE__ + +#include + +#include "../include/zs.h" + +#include "atomic_counter.hpp" + +//namespace zs +//{ + + // Shared message buffer. Message data are either allocated in one + // continguous block along with this structure - thus avoiding one + // malloc/free pair or they are stored in used-supplied memory. + // In the latter case, ffn member stores pointer to the function to be + // used to deallocate the data. If the buffer is actually shared (there + // are at least 2 references to it) refcount member contains number of + // references. + struct zs_msg_content + { + void *data; + size_t size; + zs_free_fn *ffn; + zs::atomic_counter_t refcnt; + }; + +//} + +#endif -- cgit v1.2.3