1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17/** 18 * @file worker/fdqueue.h 19 * @brief fd queue declarations 20 * 21 * @addtogroup APACHE_MPM_WORKER 22 * @{ 23 */ 24 25#ifndef FDQUEUE_H 26#define FDQUEUE_H 27#include "httpd.h" 28#include <stdlib.h> 29#if APR_HAVE_UNISTD_H 30#include <unistd.h> 31#endif 32#include <apr_thread_mutex.h> 33#include <apr_thread_cond.h> 34#include <sys/types.h> 35#if APR_HAVE_SYS_SOCKET_H 36#include <sys/socket.h> 37#endif 38#include <apr_errno.h> 39 40typedef struct fd_queue_info_t fd_queue_info_t; 41 42apr_status_t ap_queue_info_create(fd_queue_info_t **queue_info, 43 apr_pool_t *pool, int max_idlers); 44apr_status_t ap_queue_info_set_idle(fd_queue_info_t *queue_info, 45 apr_pool_t *pool_to_recycle); 46apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t *queue_info, 47 apr_pool_t **recycled_pool); 48apr_status_t ap_queue_info_term(fd_queue_info_t *queue_info); 49 50struct fd_queue_elem_t { 51 apr_socket_t *sd; 52 apr_pool_t *p; 53}; 54typedef struct fd_queue_elem_t fd_queue_elem_t; 55 56struct fd_queue_t { 57 fd_queue_elem_t *data; 58 unsigned int nelts; 59 unsigned int bounds; 60 unsigned int in; 61 unsigned int out; 62 apr_thread_mutex_t *one_big_mutex; 63 apr_thread_cond_t *not_empty; 64 int terminated; 65}; 66typedef struct fd_queue_t fd_queue_t; 67 68apr_status_t ap_queue_init(fd_queue_t *queue, int queue_capacity, apr_pool_t *a); 69apr_status_t ap_queue_push(fd_queue_t *queue, apr_socket_t *sd, apr_pool_t *p); 70apr_status_t ap_queue_pop(fd_queue_t *queue, apr_socket_t **sd, apr_pool_t **p); 71apr_status_t ap_queue_interrupt_all(fd_queue_t *queue); 72apr_status_t ap_queue_term(fd_queue_t *queue); 73 74#endif /* FDQUEUE_H */ 75/** @} */ 76