| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * 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 event/fdqueue.h |
| * @brief fd queue declarations |
| * |
| * @addtogroup APACHE_MPM_EVENT |
| * @{ |
| */ |
| |
| #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> |
| |
| #include "ap_mpm.h" |
| |
| typedef struct fd_queue_info_t fd_queue_info_t; |
| typedef struct event_conn_state_t event_conn_state_t; |
| |
| apr_status_t ap_queue_info_create(fd_queue_info_t ** queue_info, |
| apr_pool_t * pool, int max_idlers, |
| int max_recycled_pools); |
| 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_try_get_idler(fd_queue_info_t * queue_info); |
| apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t * queue_info, |
| int *had_to_block); |
| apr_status_t ap_queue_info_term(fd_queue_info_t * queue_info); |
| apr_uint32_t ap_queue_info_get_idlers(fd_queue_info_t * queue_info); |
| void ap_free_idle_pools(fd_queue_info_t *queue_info); |
| |
| struct fd_queue_elem_t |
| { |
| apr_socket_t *sd; |
| apr_pool_t *p; |
| event_conn_state_t *ecs; |
| }; |
| typedef struct fd_queue_elem_t fd_queue_elem_t; |
| |
| typedef struct timer_event_t timer_event_t; |
| |
| struct timer_event_t { |
| APR_RING_ENTRY(timer_event_t) link; |
| apr_time_t when; |
| ap_mpm_callback_fn_t *cbfunc; |
| void *baton; |
| }; |
| |
| |
| struct fd_queue_t |
| { |
| APR_RING_HEAD(timers_t, timer_event_t) timers; |
| fd_queue_elem_t *data; |
| unsigned int nelts; |
| unsigned int bounds; |
| unsigned int in; |
| unsigned int out; |
| apr_thread_mutex_t *one_big_mutex; |
| apr_thread_cond_t *not_empty; |
| int terminated; |
| }; |
| typedef struct fd_queue_t fd_queue_t; |
| |
| void ap_pop_pool(apr_pool_t ** recycled_pool, fd_queue_info_t * queue_info); |
| void ap_push_pool(fd_queue_info_t * queue_info, |
| apr_pool_t * pool_to_recycle); |
| |
| 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, |
| event_conn_state_t * ecs, apr_pool_t * p); |
| apr_status_t ap_queue_push_timer(fd_queue_t *queue, timer_event_t *te); |
| apr_status_t ap_queue_pop_something(fd_queue_t * queue, apr_socket_t ** sd, |
| event_conn_state_t ** ecs, apr_pool_t ** p, |
| timer_event_t ** te); |
| apr_status_t ap_queue_interrupt_all(fd_queue_t * queue); |
| apr_status_t ap_queue_interrupt_one(fd_queue_t * queue); |
| apr_status_t ap_queue_term(fd_queue_t * queue); |
| |
| #endif /* FDQUEUE_H */ |
| /** @} */ |