mpm_default.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 APACHE_MPM_DEFAULT_H
#define APACHE_MPM_DEFAULT_H
 
/* Limit on the threads per process.  Clients will be locked out if more than
 * this  * HARD_SERVER_LIMIT are needed.
 *
 * We keep this for one reason it keeps the size of the scoreboard file small
 * enough that we can read the whole thing without worrying too much about
 * the overhead.
 */
#ifndef HARD_THREAD_LIMIT
#define HARD_THREAD_LIMIT 2048
#endif
 
#ifndef DEFAULT_THREADS_PER_CHILD
#define DEFAULT_THREADS_PER_CHILD 50
#endif
 
/* Number of threads to spawn off by default --- also, if fewer than
 * this free when the caretaker checks, it will spawn more.
 */
#ifndef DEFAULT_START_THREADS
#define DEFAULT_START_THREADS DEFAULT_THREADS_PER_CHILD
#endif
 
/* Maximum number of *free* threads --- more than this, and
 * they will die off.
 */
 
#ifndef DEFAULT_MAX_FREE_THREADS
#define DEFAULT_MAX_FREE_THREADS 100
#endif
 
/* Minimum --- fewer than this, and more will be created */
 
#ifndef DEFAULT_MIN_FREE_THREADS
#define DEFAULT_MIN_FREE_THREADS 10
#endif
 
/*
 * Interval, in microseconds, between scoreboard maintenance.
 */
#ifndef SCOREBOARD_MAINTENANCE_INTERVAL
#define SCOREBOARD_MAINTENANCE_INTERVAL 1000000
#endif
 
/* Default stack size allocated for each worker thread.
 */
#ifndef DEFAULT_THREAD_STACKSIZE
#define DEFAULT_THREAD_STACKSIZE 65536
#endif
 
#endif /* AP_MPM_DEFAULT_H */