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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
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/*
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Copyright (c) 2007-2010 iMatix Corporation
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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 __ZMQ_POLLER_BASE_HPP_INCLUDED__
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#define __ZMQ_POLLER_BASE_HPP_INCLUDED__
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#include "atomic_counter.hpp"
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namespace zmq
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{
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class poller_base_t
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{
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public:
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poller_base_t ();
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~poller_base_t ();
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// Returns load of the poller. Note that this function can be
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// invoked from a different thread!
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int get_load ();
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protected:
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// Called by individual poller implementations to manage the load.
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void adjust_load (int amount_);
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private:
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// Load of the poller. Currently the number of file descriptors
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// registered.
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atomic_counter_t load;
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poller_base_t (const poller_base_t&);
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void operator = (const poller_base_t&);
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};
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}
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#endif
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