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45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
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/*
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Copyright (c) 2007-2012 iMatix Corporation
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Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
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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 GNU Lesser 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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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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 __ZMQ_I_MSG_SOURCE_HPP_INCLUDED__
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#define __ZMQ_I_MSG_SOURCE_HPP_INCLUDED__
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namespace zmq
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{
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// Forward declaration
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class msg_t;
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// Interface to be implemented by message source.
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struct i_msg_source
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{
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virtual ~i_msg_source () {}
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// Fetch a message. Returns 0 if successful; -1 otherwise.
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// The caller is responsible for freeing the message when no
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// longer used.
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virtual int pull_msg (msg_t *msg_) = 0;
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};
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}
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#endif
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