/usr/include/apache2/fdqueue.h is in apache2-threaded-dev 2.2.22-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file worker/fdqueue.h
* @brief fd queue declarations
*
* @addtogroup APACHE_MPM_WORKER
* @{
*/
#ifndef FDQUEUE_H
#define FDQUEUE_H
#include "httpd.h"
#include <stdlib.h>
#if APR_HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <apr_thread_mutex.h>
#include <apr_thread_cond.h>
#include <sys/types.h>
#if APR_HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <apr_errno.h>
typedef struct fd_queue_info_t fd_queue_info_t;
apr_status_t ap_queue_info_create(fd_queue_info_t **queue_info,
apr_pool_t *pool, int max_idlers);
apr_status_t ap_queue_info_set_idle(fd_queue_info_t *queue_info,
apr_pool_t *pool_to_recycle);
apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t *queue_info,
apr_pool_t **recycled_pool);
apr_status_t ap_queue_info_term(fd_queue_info_t *queue_info);
struct fd_queue_elem_t {
apr_socket_t *sd;
apr_pool_t *p;
};
typedef struct fd_queue_elem_t fd_queue_elem_t;
struct fd_queue_t {
fd_queue_elem_t *data;
int nelts;
int bounds;
apr_thread_mutex_t *one_big_mutex;
apr_thread_cond_t *not_empty;
int terminated;
};
typedef struct fd_queue_t fd_queue_t;
apr_status_t ap_queue_init(fd_queue_t *queue, int queue_capacity, apr_pool_t *a);
apr_status_t ap_queue_push(fd_queue_t *queue, apr_socket_t *sd, apr_pool_t *p);
apr_status_t ap_queue_pop(fd_queue_t *queue, apr_socket_t **sd, apr_pool_t **p);
apr_status_t ap_queue_interrupt_all(fd_queue_t *queue);
apr_status_t ap_queue_term(fd_queue_t *queue);
#endif /* FDQUEUE_H */
/** @} */
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