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49 lines
1.8 KiB
49 lines
1.8 KiB
/*
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Copyright (c) 2013 Martin Sustrik All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom
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the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#ifndef NN_FQ_INCLUDED
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#define NN_FQ_INCLUDED
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#include "../../protocol.h"
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#include "priolist.h"
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// Fair-queuer. Retrieves messages from a set of pipes in round-robin manner
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struct nn_fq_data {
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struct nn_priolist_data priodata;
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};
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struct nn_fq {
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struct nn_priolist priolist;
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};
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void nn_fq_init (struct nn_fq *self);
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void nn_fq_term (struct nn_fq *self);
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void nn_fq_add (struct nn_fq *self, struct nn_fq_data *data,
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struct nn_pipe *pipe, int priority);
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void nn_fq_rm (struct nn_fq *self, struct nn_fq_data *data);
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void nn_fq_in (struct nn_fq *self, struct nn_fq_data *data);
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int nn_fq_can_recv (struct nn_fq *self);
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int nn_fq_recv (struct nn_fq *self, struct nn_msg *msg, struct nn_pipe **pipe);
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#endif
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