I find a previous post, http://marc.info/?t=140579318800001&r=1&w=2
which helped answer the 2nd question, basically, "anything more important than DEBUG needs a number." but it does not answer the Question #1 and #3 :-| ~t On Wed, Mar 23, 2016 at 5:55 PM, Tianyin Xu <t...@cs.ucsd.edu> wrote: > Hi folks, > > I've a question regarding writing logging statements in httpd code. I > notice that most of the logging statements are associated with a log > number, defined by the APLOGNO macro, while some others (in the same > module) do not. I have the following questions when writing new logging > statements, > > 1. What are these log numbers used for? (I remember the early versions do > not have these...) > > 2. What kinds of logs need the log numbers and what do not? > > 3. How to determine the number when writing a new logging statement? Is > there any specific rule to generate the number? If not, how to avoid the > collision? > > Thanks a lot! > Tianyin > >
