From 6191213a5737b774d83f341d4507b8baf702d381 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Tue, 12 Apr 2011 14:20:49 +0200 Subject: Code dealing with messages moved to msg.cpp Signed-off-by: Martin Sustrik --- src/msg.hpp | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 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..7e22098 --- /dev/null +++ b/src/msg.hpp @@ -0,0 +1,52 @@ +/* + Copyright (c) 2007-2011 iMatix Corporation + Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser 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 + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . +*/ + +#ifndef __ZMQ_MSG_HPP_INCLUDE__ +#define __ZMQ_MSG_HPP_INCLUDE__ + +#include + +#include "../include/zmq.h" + +#include "atomic_counter.hpp" + +namespace zmq +{ + + // Shared message buffer. Message data are either allocated in one + // continuous 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 msg_content_t + { + void *data; + size_t size; + zmq_free_fn *ffn; + void *hint; + zmq::atomic_counter_t refcnt; + }; + +} + +#endif -- cgit v1.2.3