12-07-2011
An understanding of this topic ties together other areas of computing that are otherwise nonsensical
If I could find a document on this subject I would read it but all I can do is try to poke at it and search terms on the Internet. A web search on "error logging" yields next to nothing btw.
If a search is done for "logging" all the information is from the "event code" the programmer writes (to) the separate logging application. Nothing further up the steam can be found in a structured document.
I have no doubt that a applications execution must be verified so it can keep on executing but I Can Not find any structured, predetermined approach to study the customary tools and methods used. I assume that there has to be a lot of O.S tools available or C library commands. The syslogd might be something to research because it is just really an application with oversight. I can't fathom that there is not entire books and coarses written on this subject so just brainstorming up methods to do this seems like reinventing the wheel. Augh! Experienced programmers Must have a procedure that they follow instead of doing it on the fly.
A book title of " How to write Code that produces the data held in Log files" would be the ticket.
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LEARN ABOUT LINUX
sys_errlist
PERROR(3) Linux Programmer's Manual PERROR(3)
NAME
perror - print a system error message
SYNOPSIS
#include <stdio.h>
void perror(const char *s);
#include <errno.h>
const char *sys_errlist[];
int sys_nerr;
int errno;
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
sys_errlist, sys_nerr: _BSD_SOURCE
DESCRIPTION
The routine perror() produces a message on the standard error output, describing the last error encountered during a call to a system or
library function. First (if s is not NULL and *s is not a null byte ('