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a3395140dd
Allow a flow context to be associated to a read queue and consider the flow blockage when deciding to evaluate the associated file descriptor for incoming data. This allows clients to associate a read queue with the same flow context as they will associate mbufs to be flow controlled with. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
/*
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* Copyright (c) 2016, Bjorn Andersson <bjorn@kryo.se>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __WATCH_H__
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#define __WATCH_H__
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#include <stdbool.h>
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#include "list.h"
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struct mbuf;
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struct watch_flow;
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int watch_add_readfd(int fd, int (*cb)(int, void*), void *data,
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struct watch_flow *flow);
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int watch_add_readq(int fd, struct list_head *queue,
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int (*cb)(struct mbuf *mbuf, void *data), void *data);
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int watch_add_writeq(int fd, struct list_head *queue);
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void watch_remove_fd(int fd);
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void watch_remove_writeq(int fd);
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int watch_add_quit(int (*cb)(int, void*), void *data);
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int watch_add_timer(void (*cb)(void *), void *data,
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unsigned int interval, bool repeat);
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void watch_quit(void);
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void watch_run(void);
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struct watch_flow;
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struct watch_flow *watch_flow_new(void);
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void watch_flow_inc(struct watch_flow *flow);
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#endif
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