00001 /* Copyright 2000-2005 The Apache Software Foundation or its licensors, as 00002 * applicable. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef APACHE_MPM_DEFAULT_H 00018 #define APACHE_MPM_DEFAULT_H 00019 00020 /* we use the child (c) as zero in our code... */ 00021 #define AP_ID_FROM_CHILD_THREAD(c, t) t 00022 /* as the child is always zero, just return the id... */ 00023 #define AP_CHILD_THREAD_FROM_ID(i) 0 , i 00024 00025 /* Number of threads to spawn off by default --- also, if fewer than 00026 * this free when the caretaker checks, it will spawn more. 00027 */ 00028 #ifndef DEFAULT_START_THREADS 00029 #define DEFAULT_START_THREADS 10 00030 #endif 00031 00032 #ifdef NO_THREADS 00033 #define DEFAULT_THREADS 1 00034 #endif 00035 #ifndef DEFAULT_THREADS 00036 #define DEFAULT_THREADS 10 00037 #endif 00038 00039 /* The following 2 settings are used to control the number of threads 00040 * we have available. Normally the DEFAULT_MAX_FREE_THREADS is set 00041 * to the same as the HARD_THREAD_LIMIT to avoid churning of starting 00042 * new threads to replace threads killed off... 00043 */ 00044 00045 /* Maximum number of *free* threads --- more than this, and 00046 * they will die off. 00047 */ 00048 #ifndef DEFAULT_MAX_FREE_THREADS 00049 #define DEFAULT_MAX_FREE_THREADS HARD_THREAD_LIMIT 00050 #endif 00051 00052 /* Minimum --- fewer than this, and more will be created */ 00053 #ifndef DEFAULT_MIN_FREE_THREADS 00054 #define DEFAULT_MIN_FREE_THREADS 1 00055 #endif 00056 00057 /* Where the main/parent process's pid is logged */ 00058 #ifndef DEFAULT_PIDLOG 00059 #define DEFAULT_PIDLOG DEFAULT_REL_RUNTIMEDIR "/httpd.pid" 00060 #endif 00061 00062 /* 00063 * Interval, in microseconds, between scoreboard maintenance. 00064 */ 00065 #ifndef SCOREBOARD_MAINTENANCE_INTERVAL 00066 #define SCOREBOARD_MAINTENANCE_INTERVAL 1000000 00067 #endif 00068 00069 /* Number of requests to try to handle in a single process. If == 0, 00070 * the children don't die off. 00071 */ 00072 #ifndef DEFAULT_MAX_REQUESTS_PER_THREAD 00073 #define DEFAULT_MAX_REQUESTS_PER_THREAD 0 00074 #endif 00075 00076 #endif /* AP_MPM_DEFAULT_H */