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https://github.com/openvswitch/ovs
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050678819a
We already had queues that were suitable for replacement by this data structure, and I intend to add another one later on. flow_miss_batch_ofproto_destroyed() did not work well with the guarded-list structure (it required either adding a lot more functions or breaking the abstraction) so I changed the caller to just use udpif_revalidate(). Checking reval_seq at the end of handle_miss_upcalls() also didn't work well with the abstraction, so I decided that since this was a corner case anyway it would be acceptable to just drop those in flow_miss_batch_next(). Signed-off-by: Ben Pfaff <blp@nicira.com> Acked-by: Ethan Jackson <ethan@nicira.com>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Copyright (c) 2013 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GUARDED_LIST_H
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#define GUARDED_LIST_H 1
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#include <stddef.h>
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#include "compiler.h"
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#include "list.h"
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#include "ovs-thread.h"
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struct guarded_list {
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struct ovs_mutex mutex;
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struct list list;
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size_t n;
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};
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void guarded_list_init(struct guarded_list *);
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void guarded_list_destroy(struct guarded_list *);
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bool guarded_list_is_empty(const struct guarded_list *);
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size_t guarded_list_push_back(struct guarded_list *, struct list *,
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size_t max);
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struct list *guarded_list_pop_front(struct guarded_list *);
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size_t guarded_list_pop_all(struct guarded_list *, struct list *);
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#endif /* guarded-list.h */
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