50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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/*
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* Copyright 2021 Regents of the University of Michigan
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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 ZMAP_QUEUE_H
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#define ZMAP_QUEUE_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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typedef struct zqueue_node {
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char *data;
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struct zqueue_node *prev;
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struct zqueue_node *next;
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} znode_t;
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typedef struct zqueue {
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struct zqueue_node *front;
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struct zqueue_node *back;
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size_t size;
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// Threading utilities
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pthread_mutex_t lock;
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pthread_cond_t empty;
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} zqueue_t;
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zqueue_t *queue_init(void);
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int is_empty(zqueue_t *queue);
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void push_back(char *data, zqueue_t *queue);
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znode_t *pop_front(zqueue_t *queue);
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znode_t *pop_front_unsafe(zqueue_t *queue);
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znode_t *get_front(zqueue_t *queue);
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znode_t *get_back(zqueue_t *queue);
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size_t get_size(zqueue_t *queue);
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#endif /* ZMAP_QUEUE_H */
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