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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:01:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:01:30 +0000
commit6beeb1b708550be0d4a53b272283e17e5e35fe17 (patch)
tree1ce8673d4aaa948e5554000101f46536a1e4cc29 /server/mpm_fdqueue.h
parentInitial commit. (diff)
downloadapache2-6beeb1b708550be0d4a53b272283e17e5e35fe17.tar.xz
apache2-6beeb1b708550be0d4a53b272283e17e5e35fe17.zip
Adding upstream version 2.4.57.upstream/2.4.57
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'server/mpm_fdqueue.h')
-rw-r--r--server/mpm_fdqueue.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/server/mpm_fdqueue.h b/server/mpm_fdqueue.h
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+/* 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 */
+/** @} */