apache/server/mpm/worker/mpm_default.h

   1 /* Licensed to the Apache Software Foundation (ASF) under one or more
   2  * contributor license agreements.  See the NOTICE file distributed with
   3  * this work for additional information regarding copyright ownership.
   4  * The ASF licenses this file to You under the Apache License, Version 2.0
   5  * (the "License"); you may not use this file except in compliance with
   6  * the License.  You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * @file  worker/mpm_default.h
  19  * @brief Worker MPM defaults
  20  *
  21  * @addtogroup APACHE_MPM_WORKER
  22  * @{
  23  */
  24
  25 #ifndef APACHE_MPM_DEFAULT_H
  26 #define APACHE_MPM_DEFAULT_H
  27
  28 /* Number of servers to spawn off by default --- also, if fewer than
  29  * this free when the caretaker checks, it will spawn more.
  30  */
  31 #ifndef DEFAULT_START_DAEMON
  32 #define DEFAULT_START_DAEMON 3
  33 #endif
  34
  35 /* Maximum number of *free* server processes --- more than this, and
  36  * they will die off.
  37  */
  38
  39 #ifndef DEFAULT_MAX_FREE_DAEMON
  40 #define DEFAULT_MAX_FREE_DAEMON 10
  41 #endif
  42
  43 /* Minimum --- fewer than this, and more will be created */
  44
  45 #ifndef DEFAULT_MIN_FREE_DAEMON
  46 #define DEFAULT_MIN_FREE_DAEMON 3
  47 #endif
  48
  49 #ifndef DEFAULT_THREADS_PER_CHILD
  50 #define DEFAULT_THREADS_PER_CHILD 25
  51 #endif
  52
  53 /* File used for accept locking, when we use a file */
  54 #ifndef DEFAULT_LOCKFILE
  55 #define DEFAULT_LOCKFILE DEFAULT_REL_RUNTIMEDIR "/accept.lock"
  56 #endif
  57
  58 /* Where the main/parent process's pid is logged */
  59 #ifndef DEFAULT_PIDLOG
  60 #define DEFAULT_PIDLOG DEFAULT_REL_RUNTIMEDIR "/httpd.pid"
  61 #endif
  62
  63 /*
  64  * Interval, in microseconds, between scoreboard maintenance.
  65  */
  66 #ifndef SCOREBOARD_MAINTENANCE_INTERVAL
  67 #define SCOREBOARD_MAINTENANCE_INTERVAL 1000000
  68 #endif
  69
  70 /* Number of requests to try to handle in a single process.  If <= 0,
  71  * the children don't die off.
  72  */
  73 #ifndef DEFAULT_MAX_REQUESTS_PER_CHILD
  74 #define DEFAULT_MAX_REQUESTS_PER_CHILD 10000
  75 #endif
  76
  77 #endif /* AP_MPM_DEFAULT_H */
  78 /** @} */