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fix updateArray, new flock use method

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Kay Marquardt (Gnadelwartz) 2020-06-14 21:26:45 +02:00
parent 852ab9de16
commit 4e043c5717
1 changed files with 7 additions and 4 deletions
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11
modules/jsonDB.sh
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@ -5,7 +5,7 @@
# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
#
#### $$VERSION$$ v0.98-dev-17-gdda5b6d
#### $$VERSION$$ v0.98-dev-18-g852ab9d
#
# source from commands.sh to use jsonDB functions
#
@ -234,12 +234,15 @@ jssh_checkDB(){
# $1 name of array to update
# $2 database
# $3 id used to identify caller
jssh_updateArray_asyn() { jssh_updateArray "$@"; }
function jssh_updateArray() {
jssh_updateArray() {
local DB; DB="$(jssh_checkDB "$2")"
{ flock -s -w 1 200; jssh_updateArray_async "$@"; } 200>"${DB}${JSSH_LOCKNAME}"
}
function jssh_updateArray_async() {
local DB; DB="$(jssh_checkDB "$2")"
[ -z "${DB}" ] && return 1
[ ! -f "${DB}" ] && return 2
[ "${DB}" -nt "${}.last${3}" ] && touch "${DB}.last${3}" && jssh_readDB "${1}" "${2}"
[ "${DB}" -nt "${DB}.last${3}" ] && touch "${DB}.last${3}" && jssh_readDB_async "${1}" "${2}"
}