diff options
Diffstat (limited to 'usr.sbin/httpd/htdocs/manual/readme-tpf.html')
-rw-r--r-- | usr.sbin/httpd/htdocs/manual/readme-tpf.html | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/usr.sbin/httpd/htdocs/manual/readme-tpf.html b/usr.sbin/httpd/htdocs/manual/readme-tpf.html new file mode 100644 index 00000000000..2e9161b1aa9 --- /dev/null +++ b/usr.sbin/httpd/htdocs/manual/readme-tpf.html @@ -0,0 +1,206 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> +<HTML> +<HEAD> +<TITLE>The Apache TPF Port</TITLE> +</HEAD> +<BODY> +<A NAME="top"></A> +<H1 align="center">Overview of the Apache TPF Port</H1> +<HR> +<CENTER>[ <A HREF="#configuration_files">Configuration Files</A> + | <A HREF="#auto_generated_files">Auto Generated Files</A> + | <A HREF="#whats_available">What's Available</A> + | <A HREF="#porting_notes">Porting Notes</A> ] +</CENTER> +<HR> +<BR> + +<P> + This version of Apache includes changes allowing it to run on + IBM's EBCDIC-based + <A HREF="http://www.s390.ibm.com/products/tpf/tpfhp.html">TPF</A> + (Transaction Processing Facility) operating system. + Unless otherwise noted TPF version 4.1 PUT08 and APAR PJ25589 are required. + <BR><BR> + Refer to htdocs/manual/<A HREF="install-tpf.html">install-tpf.html</A> + for step-by-step installation instructions. + <BR><BR> + As this is the first cut at making Apache run on TPF, + performance tuning has not been done. + <BR><BR> + This port builds upon the <A HREF="ebcdic.html">EBCDIC changes</A> + previously made to Apache. + <BR> +</P> + +<A NAME="configuration_files"> </A> +<H2 align=center>Apache Configuration Files</H2> +<P> + The distributed configuration files (httpd.conf-dist and + mime.types, both located in the conf subdirectory) + work on TPF with only a couple of operating system specific changes + to httpd.conf:<BR> + <UL> + <LI>ServerType needs to be "inetd" since TPF does not yet support + "standalone" mode. + <LI>Performance considerations may dictate setting KeepAlive to "Off" + (the default is "On") or lowering the Timeout value from the default + 300 seconds (5 minutes) in order to reduce the number of active ECBs on your system. + </UL> +</P> + +<A NAME="whats_available"> </A> +<H2 align=center>What's Available in this Version</H2> + + (The Apache organization provides + <A HREF="http://www.apache.org/docs/">online documentation</A> + describing the various modules and components of the server.) + +<H3>Components/modules tested on TPF:</H3> + + <multicol COLS=3><UL> + <LI>alloc.c + <LI>ap_cpystrn.c + <LI>ap_fnmatch.c + <LI>ap_signal.c + <LI>ap_slack.c + <LI>ap_snprintf.c + <LI>buff.c + <LI>buildmark.c + <LI>ebcdic.c + <LI>http_config.c + <LI>http_core.c + <LI>http_log.c + <LI>http_main.c + <LI>http_protocol.c + <LI>http_request.c + <LI>http_vhost.c <A HREF="#note_2">*</A> + <LI>mod_access.c + <LI>mod_alias.c + <LI>mod_asis.c + <LI>mod_autoindex.c + <LI>mod_cern_meta.c + <LI>mod_dir.c + <LI>mod_example.c + <LI>mod_expires.c + <LI>mod_headers.c + <LI>mod_imap.c + <LI>mod_info.c + <LI>mod_log_agent.c + <LI>mod_log_config.c + <LI>mod_log_referer.c + <LI>mod_mime.c + <LI>mod_negotiation.c + <LI>mod_setenvif.c + <LI>mod_speling.c + <LI>mod_userdir.c + <LI>mod_usertrack.c + <LI>os.c + <LI>os-inline.c + <LI>regular expression parser + <LI>util.c + <LI>util_date.c + <LI>util_uri.c + </UL></MULTICOL> + Please keep in mind that some major pieces are not yet in place including + standalone mode, pipes, password/group files, CGI scripts, and MD5 support. + <BR> + <A NAME="note_2"> </A> + <BR> + * virtual hosting requires TPF version 4.1 PUT09 + +<H3>Components/modules not (yet?) supported on TPF:</H3> + + <multicol COLS=3><UL> + <LI>htpasswd.c + <LI>md5c.c + <LI>mod_actions.c + <LI>mod_auth.c + <LI>mod_auth_anon.c + <LI>mod_cgi.c + <LI>mod_digest.c + <LI>mod_env.c + <LI>mod_include.c + <LI>mod_mime_magic.c + <LI>mod_proxy.c + <LI>mod_rewrite.c + <LI>mod_status.c + <LI>mod_unique_id.c + <LI>proxy_cache.c + <LI>proxy_connect.c + <LI>proxy_ftp.c + <LI>proxy_http.c + <LI>proxy_util.c + <LI>rfc1413.c + <LI>util_md5.c + <LI>util_script.c + </UL></MULTICOL> + +<H3>Components/modules that don't apply or that probably won't ever be available on TPF:</H3> + + <multicol COLS=3><UL> + <LI>gen_test.char.c + <LI>gen_uri_delims.c + <LI>mod_auth_db.c + <LI>mod_auth_dbm.c + <LI>mod_auth_db.module + <LI>mod_mmap_static.c + <LI>mod_so.c + </UL></MULTICOL> + +<A NAME="porting_notes"> </A> +<H2 align=center>Porting Notes</H2> +<P> + <H3>Changes made due to differences between UNIX and + TPF's process models:</H3> + <UL> + <LI><STRONG>Signals</STRONG>: On TPF a signal that is sent to a process + remains unhandled until the process explicitly requests that signals + be handled using the <CODE>tpf_process_signals()</CODE> function. + Additionally, the default action for an alarm on TPF is to take + an OPR-7777 dump and exit. (On UNIX the default is the equivalent + of <CODE>exit()</CODE> with no dump taken.) + These differences necessitated a few modifications: + <BR><BR> + <UL> + <LI>bypass the use of <CODE>ap_block_alarms()</CODE> & + <CODE>ap_unblock_alarms()</CODE> + <LI>add <CODE>tpf_process_signals()</CODE> calls + <LI>add <CODE>select()</CODE> calls in buff.c to prevent blocking. + </UL> + <BR> + </UL> + + <H3>Find that function...</H3> + <P>Some simple functions & definitions needed to be added + on TPF, such as <CODE>FD_SET()</CODE>. + We've put these in src/os/tpf/os.h for now. + </P> + + <H3>EBCDIC changes:</H3> + <P>TPF-specific conversion tables between US-ASCII and + EBCDIC (character set IBM-1047 to be exact) were created + and put into ebcdic.c in the src/os/tpf directory. + </P> + + <H3>Miscellaneous, minor changes:</H3> + <P>Various minor changes (such as casting) were made due to + differences in how some functions are implemented on TPF. + </P> + + <H3>Temporary changes:</H3> + <P>Lastly, we needed to bypass sections of Apache processing + since this first cut for TPF doesn't include + Standalone mode, pipes, forking, et cetera. + </P> + +<HR> +<CENTER>[ <A HREF="#top">top</A> + | <A HREF="#configuration_files">Configuration Files</A> + | <A HREF="#auto_generated_files">Auto Generated Files</A> + | <A HREF="#whats_available">What's Available</A> + | <A HREF="#porting_notes">Porting Notes</A> ] +</CENTER> + +</BODY> +</HTML> |