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ac50fbac CR |
1 | # |
2 | # Chet Ramey <chet.ramey@case.edu> | |
3 | # | |
4 | # Copyright 1992 Chester Ramey | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
8 | # the Free Software Foundation; either version 2, or (at your option) | |
9 | # any later version. | |
10 | # | |
11 | # TThis program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program; if not, write to the Free Software Foundation, | |
18 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | ||
726f6388 JA |
20 | trap _notify CHLD |
21 | NOTIFY_ALL=false | |
22 | unset NOTIFY_LIST | |
23 | unalias false | |
24 | ||
25 | false() | |
26 | { | |
27 | return 1 | |
28 | } | |
29 | ||
30 | _notify () | |
31 | { | |
32 | local i j | |
33 | local newlist= | |
34 | ||
35 | if $NOTIFY_ALL | |
36 | then | |
37 | return # let bash take care of this itself | |
38 | elif [ -z "$NOTIFY_LIST" ]; then | |
39 | return | |
40 | else | |
41 | set -- $NOTIFY_LIST | |
42 | for i in "$@" | |
43 | do | |
44 | j=$(jobs -n %$i) | |
45 | if [ -n "$j" ]; then | |
46 | echo "$j" | |
47 | jobs -n %$i >/dev/null | |
48 | else | |
49 | newlist="newlist $i" | |
50 | fi | |
51 | done | |
52 | NOTIFY_LIST="$newlist" | |
53 | fi | |
54 | } | |
55 | ||
56 | notify () | |
57 | { | |
58 | local i j | |
59 | ||
60 | if [ $# -eq 0 ]; then | |
61 | NOTIFY_ALL=: | |
62 | set -b | |
63 | return | |
64 | else | |
65 | for i in "$@" | |
66 | do | |
67 | # turn a valid job spec into a job number | |
68 | j=$(jobs $i) | |
69 | case "$j" in | |
70 | [*) j=${j%%]*} | |
71 | j=${j#[} | |
72 | NOTIFY_LIST="$NOTIFY_LIST $j" | |
73 | ;; | |
74 | esac | |
75 | done | |
76 | fi | |
77 | } |