/* 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. */ /** * @file ap_mpm.h * @brief Module Magic Number * * @defgroup APACHE_CORE_MMN Module Magic Number * @ingroup APACHE_CORE * @{ */ #ifndef APACHE_AP_MMN_H #define APACHE_AP_MMN_H /* * MODULE_MAGIC_NUMBER_MAJOR * Major API changes that could cause compatibility problems for older modules * such as structure size changes. No binary compatibility is possible across * a change in the major version. * * MODULE_MAGIC_NUMBER_MINOR * Minor API changes that do not cause binary compatibility problems. * Should be reset to 0 when upgrading MODULE_MAGIC_NUMBER_MAJOR. * * See the MODULE_MAGIC_AT_LEAST macro below for an example. */ /* * 20010224 (2.0.13-dev) MODULE_MAGIC_COOKIE reset to "AP20" * 20010523 (2.0.19-dev) bump for scoreboard structure reordering * 20010627 (2.0.19-dev) more API changes than I can count * 20010726 (2.0.22-dev) more big API changes * 20010808 (2.0.23-dev) dir d_is_absolute bit introduced, bucket changes, etc * 20010825 (2.0.25-dev) removed d_is_absolute, introduced map_to_storage hook * 20011002 (2.0.26-dev) removed 1.3-deprecated request_rec.content_language * 20011127 (2.0.29-dev) bump for postconfig hook change, and removal of * socket from connection record * 20011212 (2.0.30-dev) bump for new used_path_info member of request_rec * 20011218 (2.0.30-dev) bump for new sbh member of conn_rec, different * declarations for scoreboard, new parameter to * create_connection hook * 20020102 (2.0.30-dev) bump for changed type of limit_req_body in * core_dir_config * 20020109 (2.0.31-dev) bump for changed shm and scoreboard declarations * 20020111 (2.0.31-dev) bump for ETag fields added at end of cor_dir_config * 20020114 (2.0.31-dev) mod_dav changed how it asks its provider to fulfill * a GET request * 20020118 (2.0.31-dev) Input filtering split of blocking and mode * 20020127 (2.0.31-dev) bump for pre_mpm hook change * 20020128 (2.0.31-dev) bump for pre_config hook change * 20020218 (2.0.33-dev) bump for AddOutputFilterByType directive * 20020220 (2.0.33-dev) bump for scoreboard.h structure change * 20020302 (2.0.33-dev) bump for protocol_filter additions. * 20020306 (2.0.34-dev) bump for filter type renames. * 20020318 (2.0.34-dev) mod_dav's API for REPORT generation changed * 20020319 (2.0.34-dev) M_INVALID changed, plus new M_* methods for RFC 3253 * 20020327 (2.0.35-dev) Add parameter to quick_handler hook * 20020329 (2.0.35-dev) bump for addition of freelists to bucket API * 20020329.1 (2.0.36) minor bump for new arg to opt fn ap_cgi_build_command * 20020506 (2.0.37-dev) Removed r->boundary in request_rec. * 20020529 (2.0.37-dev) Standardized the names of some apr_pool_*_set funcs * 20020602 (2.0.37-dev) Bucket API change (metadata buckets) * 20020612 (2.0.38-dev) Changed server_rec->[keep_alive_]timeout to apr time * 20020625 (2.0.40-dev) Changed conn_rec->keepalive to an enumeration * 20020628 (2.0.40-dev) Added filter_init to filter registration functions * 20020903 (2.0.41-dev) APR's error constants changed * 20020903.1 (2.1.0-dev) allow_encoded_slashes added to core_dir_config * 20020903.2 (2.0.46-dev) add ap_escape_logitem * 20030213.1 (2.1.0-dev) changed log_writer optional fn's to return previous * handler * 20030821 (2.1.0-dev) bumped mod_include's entire API * 20030821.1 (2.1.0-dev) added XHTML doctypes * 20030821.2 (2.1.0-dev) added ap_escape_errorlog_item * 20030821.3 (2.1.0-dev) added ap_get_server_revision / ap_version_t * 20040425 (2.1.0-dev) removed ap_add_named_module API * changed ap_add_module, ap_add_loaded_module, * ap_setup_prelinked_modules, * ap_process_resource_config * 20040425.1 (2.1.0-dev) Added ap_module_symbol_t and * ap_prelinked_module_symbols * 20050101.0 (2.1.2-dev) Axed misnamed http_method for http_scheme * (which it was!) * 20050127.0 (2.1.3-dev) renamed regex_t->ap_regex_t, * regmatch_t->ap_regmatch_t, REG_*->AP_REG_*, * removed reg* in place of ap_reg*; added ap_regex.h * 20050217.0 (2.1.3-dev) Axed find_child_by_pid, mpm_*_completion_context * (winnt mpm) symbols from the public sector, and * decorated real_exit_code with ap_ in the win32/os.h. * 20050305.0 (2.1.4-dev) added pid and generation fields to worker_score * 20050305.1 (2.1.5-dev) added ap_vhost_iterate_given_conn. * 20050305.2 (2.1.5-dev) added AP_INIT_TAKE_ARGV. * 20050305.3 (2.1.5-dev) added Protocol Framework. * 20050701.0 (2.1.7-dev) Bump MODULE_MAGIC_COOKIE to "AP21"! * 20050701.1 (2.1.7-dev) trace_enable member added to core server_config * 20050708.0 (2.1.7-dev) Bump MODULE_MAGIC_COOKIE to "AP22"! * 20050708.1 (2.1.7-dev) add proxy request_status hook (minor) * 20050919.0 (2.1.8-dev) mod_ssl ssl_ext_list optional function added * 20051005.0 (2.1.8-dev) NET_TIME filter eliminated * 20051005.0 (2.3.0-dev) Bump MODULE_MAGIC_COOKIE to "AP24"! * 20051115.0 (2.3.0-dev) Added use_canonical_phys_port to core_dir_config * 20060110.0 (2.3.0-dev) Conversion of Authz to be provider based * addition of * removal of Satisfy, Allow, Deny, Order * 20060110.1 (2.3.0-dev) minex and minex_set members added to * cache_server_conf (minor) * 20060110.2 (2.3.0-dev) flush_packets and flush_wait members added to * proxy_server (minor) * 20060110.3 (2.3.0-dev) added inreslist member to proxy_conn_rec (minor) * 20060110.4 (2.3.0-dev) Added server_scheme member to server_rec (minor) * 20060905.0 (2.3.0-dev) Replaced ap_get_server_version() with * ap_get_server_banner() and ap_get_server_description() * 20060905.1 (2.3.0-dev) Enable retry=0 for the worker (minor) * 20060905.2 (2.3.0-dev) Added ap_all_available_mutexes_string, * ap_available_mutexes_string and * ap_parse_mutex() * */ #define MODULE_MAGIC_COOKIE 0x41503234UL /* "AP24" */ #ifndef MODULE_MAGIC_NUMBER_MAJOR #define MODULE_MAGIC_NUMBER_MAJOR 20060905 #endif #define MODULE_MAGIC_NUMBER_MINOR 2 /* 0...n */ /** * Determine if the server's current MODULE_MAGIC_NUMBER is at least a * specified value. * 
 * Useful for testing for features.
 * For example, suppose you wish to use the apr_table_overlap
 *    function.  You can do this:
 * 
 * #if AP_MODULE_MAGIC_AT_LEAST(19980812,2)
 *     ... use apr_table_overlap()
 * #else
 *     ... alternative code which doesn't use apr_table_overlap()
 * #endif
 *
* @param major The major module magic number * @param minor The minor module magic number * @deffunc AP_MODULE_MAGIC_AT_LEAST(int major, int minor) */ #define AP_MODULE_MAGIC_AT_LEAST(major,minor) \ ((major) < MODULE_MAGIC_NUMBER_MAJOR \ || ((major) == MODULE_MAGIC_NUMBER_MAJOR \ && (minor) <= MODULE_MAGIC_NUMBER_MINOR)) /** @deprecated present for backwards compatibility */ #define MODULE_MAGIC_NUMBER MODULE_MAGIC_NUMBER_MAJOR #define MODULE_MAGIC_AT_LEAST old_broken_macro_we_hope_you_are_not_using #endif /* !APACHE_AP_MMN_H */ /** @} */