| /* 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. |
| */ |
| |
| #ifndef __mod_h2__h2_workers__ |
| #define __mod_h2__h2_workers__ |
| |
| /* Thread pool specific to executing h2_tasks. Has a minimum and maximum |
| * number of workers it creates. Starts with minimum workers and adds |
| * some on load, reduces the number again when idle. |
| * |
| */ |
| struct apr_thread_mutex_t; |
| struct apr_thread_cond_t; |
| struct h2_mplx; |
| struct h2_request; |
| struct h2_task; |
| struct h2_fifo; |
| |
| struct h2_slot; |
| |
| typedef struct h2_workers h2_workers; |
| |
| struct h2_workers { |
| server_rec *s; |
| apr_pool_t *pool; |
| |
| int next_worker_id; |
| apr_uint32_t min_workers; |
| apr_uint32_t max_workers; |
| int max_idle_secs; |
| |
| int aborted; |
| int dynamic; |
| |
| apr_threadattr_t *thread_attr; |
| int nslots; |
| struct h2_slot *slots; |
| |
| volatile apr_uint32_t worker_count; |
| |
| struct h2_slot *free; |
| struct h2_slot *idle; |
| struct h2_slot *zombies; |
| |
| struct h2_fifo *mplxs; |
| |
| struct apr_thread_mutex_t *lock; |
| }; |
| |
| |
| /* Create a worker pool with the given minimum and maximum number of |
| * threads. |
| */ |
| h2_workers *h2_workers_create(server_rec *s, apr_pool_t *pool, |
| int min_size, int max_size, int idle_secs); |
| |
| /** |
| * Registers a h2_mplx for task scheduling. If this h2_mplx runs |
| * out of tasks, it will be automatically be unregistered. Should |
| * new tasks arrive, it needs to be registered again. |
| */ |
| apr_status_t h2_workers_register(h2_workers *workers, struct h2_mplx *m); |
| |
| /** |
| * Remove a h2_mplx from the worker registry. |
| */ |
| apr_status_t h2_workers_unregister(h2_workers *workers, struct h2_mplx *m); |
| |
| #endif /* defined(__mod_h2__h2_workers__) */ |