mirror of
https://github.com/gozfree/gear-lib.git
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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/******************************************************************************
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* Copyright (C) 2014-2017 Zhifeng Gong <gozfree@163.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This program 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with libraries; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef LIBQUEUE_H
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#define LIBQUEUE_H
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#include <sys/uio.h>
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#include <pthread.h>
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#include <libmacro.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct item {
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struct iovec data;
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struct list_head entry;
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};
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struct queue {
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struct list_head head;
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int depth;
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int max_depth;
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pthread_mutex_t lock;
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pthread_cond_t cond;
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};
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struct item *item_alloc(void *data, size_t len);
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void item_free(struct item *item);
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struct queue *queue_create();
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void queue_destroy(struct queue *q);
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struct item *queue_pop(struct queue *q);
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int queue_push(struct queue *q, struct item *item);
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int queue_flush(struct queue *q);
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int queue_get_depth(struct queue *q);
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#ifdef __cplusplus
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}
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#endif
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#endif
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