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2de940b422
Solution: as libzmq already provides this across all platforms, expose an atomic counter API. I've not wrapped atomic pointers, though someone who needs this may want to do so.
39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
/*
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Copyright (c) 2007-2014 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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#include "testutil.hpp"
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int main (void)
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{
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void *counter = zmq_atomic_counter_new ();
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assert (zmq_atomic_counter_value (counter) == 0);
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assert (zmq_atomic_counter_inc (counter) == 0);
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assert (zmq_atomic_counter_inc (counter) == 1);
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assert (zmq_atomic_counter_inc (counter) == 2);
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assert (zmq_atomic_counter_value (counter) == 3);
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assert (zmq_atomic_counter_dec (counter) == true);
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assert (zmq_atomic_counter_dec (counter) == true);
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assert (zmq_atomic_counter_dec (counter) == false);
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zmq_atomic_counter_set (counter, 2);
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assert (zmq_atomic_counter_dec (counter) == true);
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assert (zmq_atomic_counter_dec (counter) == false);
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zmq_atomic_counter_destroy (&counter);
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return 0;
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}
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