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[modules] plug-in survey lurches forward: Apache breaks the ice
From: |
Thien-Thi Nguyen |
Subject: |
[modules] plug-in survey lurches forward: Apache breaks the ice |
Date: |
Fri, 17 May 2002 19:11:57 -0700 |
folks,
excerpt of Apache entry plus revised attributes list below. i'm
guessing it's easy for programmers if guile compiled modules avoid (0C
0D) and stick w/ (0E). what do you think? please review and let me
know if i goofed somewhere.
now's also a good time to ask: what would you like to see in terms of a
"build-guile-compiled-module" tool (i.e., command-line args, etc)?
next on the list is perl, but i'm going to skip to python instead; i
remember perl plug-in system being very hairy from swig dayz...
thi
____________________________________________________________________
00 -- namespace translation is 2 phase (external to internal)
01 -- namespace translation is 3 phase (external to user-map to internal)
02 -- loading restricted to "init time"
03 -- loading not time-restricted
04 -- depends on env vars
05 -- passes through env vars prefixing
06 -- passes through env vars modifying in some weird way
07 -- unloadable
08 -- part of PROGRAM feature list
09 -- build plug-in program available
0A -- requires filesystem direct mapping
0B -- uses libltdl
0C -- operation of plug-in is through callbacks/handlers (implies protocol)
0D -- operation protocol "slices" or "merges" plug-ins
0E -- operation of plug-in is freeform
0F -- mem alloc by host
10 -- mem alloc by plug-in
11 -- can override host system variables
12 -- plug-in machinery available to plug-ins
13 -- plug-in machinery configurable
- Apache [0]
- attributes: 13 11 10 0F 0D 0C 09 08 02 00
- Spinner server[1] does (12)
- compatible w/ NCSA 1.3 server
- has "starutp and tear-down hooks" (13)
[0] http://modules.apache.org/reference
[1] http://www5conf.inria.fr/fich_html/papers/P20/Overview.html#bib8
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