apr_thread_pool.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.
 */
 
#ifndef APU_THREAD_POOL_H
#define APU_THREAD_POOL_H
 
#include "apu.h"
#include "apr_thread_proc.h"
 
#if APR_HAS_THREADS
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
typedef struct apr_thread_pool apr_thread_pool_t;
 
#define APR_THREAD_TASK_PRIORITY_LOWEST 0
#define APR_THREAD_TASK_PRIORITY_LOW 63
#define APR_THREAD_TASK_PRIORITY_NORMAL 127
#define APR_THREAD_TASK_PRIORITY_HIGH 191
#define APR_THREAD_TASK_PRIORITY_HIGHEST 255
 
APR_DECLARE(apr_status_t) apr_thread_pool_create(apr_thread_pool_t **me,
                                                 apr_size_t init_threads,
                                                 apr_size_t max_threads,
                                                 apr_pool_t *pool);
 
APR_DECLARE(apr_status_t) apr_thread_pool_destroy(apr_thread_pool_t *me);
 
APR_DECLARE(apr_status_t) apr_thread_pool_push(apr_thread_pool_t *me,
                                               apr_thread_start_t func,
                                               void *param,
                                               apr_byte_t priority,
                                               void *owner);
APR_DECLARE(apr_status_t) apr_thread_pool_schedule(apr_thread_pool_t *me,
                                                   apr_thread_start_t func,
                                                   void *param,
                                                   apr_interval_time_t time,
                                                   void *owner);
 
APR_DECLARE(apr_status_t) apr_thread_pool_top(apr_thread_pool_t *me,
                                              apr_thread_start_t func,
                                              void *param,
                                              apr_byte_t priority,
                                              void *owner);
 
APR_DECLARE(apr_status_t) apr_thread_pool_tasks_cancel(apr_thread_pool_t *me,
                                                       void *owner);
 
APR_DECLARE(apr_size_t) apr_thread_pool_tasks_count(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_scheduled_tasks_count(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_threads_count(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_busy_count(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_idle_count(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_idle_max_set(apr_thread_pool_t *me,
                                                     apr_size_t cnt);
 
APR_DECLARE(apr_size_t)
    apr_thread_pool_tasks_run_count(apr_thread_pool_t * me);
 
APR_DECLARE(apr_size_t)
    apr_thread_pool_tasks_high_count(apr_thread_pool_t * me);
 
APR_DECLARE(apr_size_t)
    apr_thread_pool_threads_high_count(apr_thread_pool_t * me);
 
APR_DECLARE(apr_size_t)
    apr_thread_pool_threads_idle_timeout_count(apr_thread_pool_t * me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_idle_max_get(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_thread_max_set(apr_thread_pool_t *me,
                                                       apr_size_t cnt);
 
APR_DECLARE(apr_interval_time_t)
    apr_thread_pool_idle_wait_set(apr_thread_pool_t * me,
                                  apr_interval_time_t timeout);
 
APR_DECLARE(apr_interval_time_t)
    apr_thread_pool_idle_wait_get(apr_thread_pool_t * me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_thread_max_get(apr_thread_pool_t *me);
 
APR_DECLARE(apr_size_t) apr_thread_pool_threshold_set(apr_thread_pool_t *me,
                                                      apr_size_t val);
 
APR_DECLARE(apr_size_t) apr_thread_pool_threshold_get(apr_thread_pool_t * me);
 
APR_DECLARE(apr_status_t) apr_thread_pool_task_owner_get(apr_thread_t *thd,
                                                         void **owner);
 
#ifdef __cplusplus
}
#endif
 
#endif /* APR_HAS_THREADS */
#endif /* !APR_THREAD_POOL_H */