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Diffstat (limited to 'server/mpm_fdqueue.h')
| -rw-r--r-- | server/mpm_fdqueue.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/server/mpm_fdqueue.h b/server/mpm_fdqueue.h new file mode 100644 index 0000000..1047f88 --- /dev/null +++ b/server/mpm_fdqueue.h @@ -0,0 +1,110 @@ +/* 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 server/mpm_fdqueue.h + * @brief fd queue declarations + * + * @addtogroup APACHE_MPM_EVENT + * @{ + */ + +#ifndef MPM_FDQUEUE_H +#define MPM_FDQUEUE_H + +#include <apr.h> + +/* This code is not AP_DECLARE()ed/exported, and used by MPMs event/worker + * only (for now), not worth thinking about w/o threads either... + */ +#if APR_HAS_THREADS + +#include "ap_mpm.h" + +#include <apr_ring.h> +#include <apr_pools.h> +#include <apr_thread_mutex.h> +#include <apr_thread_cond.h> +#include <apr_network_io.h> + +struct fd_queue_info_t; /* opaque */ +struct fd_queue_elem_t; /* opaque */ +typedef struct fd_queue_info_t fd_queue_info_t; +typedef struct fd_queue_elem_t fd_queue_elem_t; + +AP_DECLARE(apr_status_t) ap_queue_info_create(fd_queue_info_t **queue_info, + apr_pool_t *pool, int max_idlers, + int max_recycled_pools); +AP_DECLARE(apr_status_t) ap_queue_info_set_idle(fd_queue_info_t *queue_info, + apr_pool_t *pool_to_recycle); +AP_DECLARE(apr_status_t) ap_queue_info_try_get_idler(fd_queue_info_t *queue_info); +AP_DECLARE(apr_status_t) ap_queue_info_wait_for_idler(fd_queue_info_t *queue_info, + int *had_to_block); +AP_DECLARE(apr_uint32_t) ap_queue_info_num_idlers(fd_queue_info_t *queue_info); +AP_DECLARE(apr_status_t) ap_queue_info_term(fd_queue_info_t *queue_info); + +AP_DECLARE(void) ap_queue_info_pop_pool(fd_queue_info_t *queue_info, + apr_pool_t **recycled_pool); +AP_DECLARE(void) ap_queue_info_push_pool(fd_queue_info_t *queue_info, + apr_pool_t *pool_to_recycle); +AP_DECLARE(void) ap_queue_info_free_idle_pools(fd_queue_info_t *queue_info); + +struct timer_event_t +{ + APR_RING_ENTRY(timer_event_t) link; + apr_time_t when; + ap_mpm_callback_fn_t *cbfunc; + void *baton; + int canceled; + apr_array_header_t *remove; +}; +typedef struct timer_event_t timer_event_t; + +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; + volatile int terminated; +}; +typedef struct fd_queue_t fd_queue_t; + +AP_DECLARE(apr_status_t) ap_queue_create(fd_queue_t **pqueue, + int capacity, apr_pool_t *p); +AP_DECLARE(apr_status_t) ap_queue_push_socket(fd_queue_t *queue, + apr_socket_t *sd, void *sd_baton, + apr_pool_t *p); +AP_DECLARE(apr_status_t) ap_queue_push_timer(fd_queue_t *queue, + timer_event_t *te); +AP_DECLARE(apr_status_t) ap_queue_pop_something(fd_queue_t *queue, + apr_socket_t **sd, void **sd_baton, + apr_pool_t **p, timer_event_t **te); +#define ap_queue_pop_socket(q_, s_, p_) \ + ap_queue_pop_something((q_), (s_), NULL, (p_), NULL) + +AP_DECLARE(apr_status_t) ap_queue_interrupt_all(fd_queue_t *queue); +AP_DECLARE(apr_status_t) ap_queue_interrupt_one(fd_queue_t *queue); +AP_DECLARE(apr_status_t) ap_queue_term(fd_queue_t *queue); + +#endif /* APR_HAS_THREADS */ + +#endif /* MPM_FDQUEUE_H */ +/** @} */ |