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dracut-logger: make $maxloglvl public

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$maxloglvl might be useful to check, if expensive informational
operation is going to be logged at all, before executing it.
This commit is contained in:
Amadeusz Żołnowski 2011-03-16 21:24:29 +01:00 committed by Harald Hoyer
parent 1953052994
commit 46265a9d3e
1 changed files with 13 additions and 13 deletions
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26
dracut-logger
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@ -76,9 +76,9 @@ __DRACUT_LOGGER__=1
# - @var kmsgloglvl - logging level to /dev/kmsg (only for boot-time)
# - @var logfile - log file which is used when @var fileloglvl is higher
# than 0
# and one global internal variable @var _maxloglvl which <b>must not</b> be
# overwritten. @_maxloglvl is set by dlog_init() and holds maximum logging level
# of those three and indicates that dlog_init() was run.
# and one global variable @var maxloglvl which <b>must not</b> be overwritten.
# @var maxloglvl is set by dlog_init() and holds maximum logging level of those
# three and indicates that dlog_init() was run.
#
# Logging level set by the variable means that messages from this logging level
# and above (FATAL is the highest) will be shown. Logging levels may be set
@ -101,11 +101,11 @@ __DRACUT_LOGGER__=1
# - @var kmsgloglvl = 0 (no logging)
# set to 0
#
# @warning Function sets global variable @var _maxloglvl for internal use. Don't
# overwrite it.
# @warning Function sets global variable @var maxloglvl. See file doc for
# details.
dlog_init() {
# Skip initialization if it's already done.
[ -n "$_maxloglvl" ] && return 0
[ -n "$maxloglvl" ] && return 0
local ret=0; local errmsg
@ -144,12 +144,12 @@ dlog_init() {
fi
fi
local lvl
_maxloglvl=0
for lvl in $stdloglvl $sysloglvl $fileloglvl; do
[ $lvl -gt $_maxloglvl ] && _maxloglvl=$lvl
local lvl; local maxloglvl_l=0
for lvl in $stdloglvl $sysloglvl $fileloglvl $kmsgloglvl; do
[ $lvl -gt $maxloglvl_l ] && maxloglvl_l=$lvl
done
export _maxloglvl
readonly maxloglvl=$maxloglvl_l
export maxloglvl
[ -n "$errmsg" ] && derror "$errmsg"
@ -251,11 +251,11 @@ _dlvl2klvl() {
# - @c INFO to @c info
# - @c DEBUG and @c TRACE both to @c debug
_do_dlog() {
[ -z "$_maxloglvl" ] && return 0
[ -z "$maxloglvl" ] && return 0
local lvl="$1"; shift
local lvlc=$(_lvl2char "$lvl") || return 0
[ $lvl -le $_maxloglvl ] || return 0
[ $lvl -le $maxloglvl ] || return 0
local msg="$lvlc: $*"