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5790ed1c71
FIFO rather than LIFO, for more consistent performance so that older requests don't suffer git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1064269 13f79535-47bb-0310-9956-ffa450edef68
76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. 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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/**
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* @file worker/fdqueue.h
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* @brief fd queue declarations
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*
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* @addtogroup APACHE_MPM_WORKER
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* @{
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*/
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#ifndef FDQUEUE_H
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#define FDQUEUE_H
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#include "httpd.h"
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#include <stdlib.h>
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#if APR_HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <apr_thread_mutex.h>
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#include <apr_thread_cond.h>
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#include <sys/types.h>
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#if APR_HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#include <apr_errno.h>
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typedef struct fd_queue_info_t fd_queue_info_t;
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apr_status_t ap_queue_info_create(fd_queue_info_t **queue_info,
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apr_pool_t *pool, int max_idlers);
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apr_status_t ap_queue_info_set_idle(fd_queue_info_t *queue_info,
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apr_pool_t *pool_to_recycle);
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apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t *queue_info,
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apr_pool_t **recycled_pool);
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apr_status_t ap_queue_info_term(fd_queue_info_t *queue_info);
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struct fd_queue_elem_t {
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apr_socket_t *sd;
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apr_pool_t *p;
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};
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typedef struct fd_queue_elem_t fd_queue_elem_t;
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struct fd_queue_t {
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fd_queue_elem_t *data;
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unsigned int nelts;
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unsigned int bounds;
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unsigned int in;
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unsigned int out;
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apr_thread_mutex_t *one_big_mutex;
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apr_thread_cond_t *not_empty;
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int terminated;
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};
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typedef struct fd_queue_t fd_queue_t;
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apr_status_t ap_queue_init(fd_queue_t *queue, int queue_capacity, apr_pool_t *a);
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apr_status_t ap_queue_push(fd_queue_t *queue, apr_socket_t *sd, apr_pool_t *p);
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apr_status_t ap_queue_pop(fd_queue_t *queue, apr_socket_t **sd, apr_pool_t **p);
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apr_status_t ap_queue_interrupt_all(fd_queue_t *queue);
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apr_status_t ap_queue_term(fd_queue_t *queue);
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#endif /* FDQUEUE_H */
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/** @} */
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