77 lines
1.5 KiB
Bash
77 lines
1.5 KiB
Bash
#
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# Chet Ramey <chet.ramey@case.edu>
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#
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# Copyright 1992 Chester Ramey
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# TThis program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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trap _notify CHLD
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NOTIFY_ALL=false
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unset NOTIFY_LIST
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unalias false
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false()
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{
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return 1
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}
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_notify ()
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{
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local i j
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local newlist=
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if $NOTIFY_ALL
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then
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return # let bash take care of this itself
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elif [ -z "$NOTIFY_LIST" ]; then
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return
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else
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set -- $NOTIFY_LIST
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for i in "$@"
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do
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j=$(jobs -n %$i)
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if [ -n "$j" ]; then
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echo "$j"
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jobs -n %$i >/dev/null
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else
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newlist="newlist $i"
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fi
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done
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NOTIFY_LIST="$newlist"
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fi
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}
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notify ()
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{
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local i j
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if [ $# -eq 0 ]; then
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NOTIFY_ALL=:
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set -b
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return
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else
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for i in "$@"
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do
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# turn a valid job spec into a job number
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j=$(jobs $i)
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case "$j" in
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[*) j=${j%%]*}
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j=${j#[}
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NOTIFY_LIST="$NOTIFY_LIST $j"
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;;
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esac
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done
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fi
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}
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