Hi guys i have a problem with a script... this script creates differents GUI with YAD... well i want that when i press the "Cancel" button on this graphical interface all the child process and even the same script should be killed
#!/bin/bash
function gui_start {
local choice=""
choice=`yad --title="TITLE" --center --text="WELCOME insert text" --entry`
verify_exit "$?"
if [ "$choice" == "a" ]; then
gui="gui_1"
else
gui="gui_1"
fi
"$gui" | fun_1 | yad --title="This is the list" --center --list --column="First":TEXT
}
function gui_1 {
local x=""
x=`yad --text="Insert a number" --entry`
verify_exit $?
if [ "$x" == "" ]; then
exit
fi
while [ $x -ne 0 ]
do
echo "aaa bbb"
x=$(($x-1))
done
}
function fun_1 {
while read input
do
echo "$input"
done
}
function verify_exit {
local code="$1"
if [ "$code" -eq 1 -o "$code" -eq 252 ]; then
kill_all_child $MY_PID
fi
}
function kill_all_child {
local parent=$1
local childs=""
local com="ps -Al | grep -w $parent | awk '{print \$4}'"
childs=`eval $com`
echo "process pid: $parent"
echo "childs: $childs"
local j=0
for i in $childs
do
if [ $j -ne 0 ]; then #Skip the first pid in $childs that is the current process id
kill_all_child "$i"
fi
j=$(($j+1))
done
kill -kill $parent
}
MY_PID=$$
gui_start
The point is this:
If you click "cancel" in the 2nd and 3rd interface that will come out (the two after the one asking to insert the text) one or the other will not be killed...
I put here some more info for you... after click Ok on the first situation this is the situation
$ ps -Al
...
0 S 1002 21515 21512 0 80 0 - 28022 wait pts/3 00:00:00 my-search-tool
1 S 1002 21519 21515 0 80 0 - 28022 pipe_w pts/3 00:00:00 my-search-tool
1 S 1002 21520 21515 0 80 0 - 28022 pipe_w pts/3 00:00:00 my-search-tool
0 S 1002 21521 21515 0 80 0 - 104391 poll_s pts/3 00:00:00 yad
0 S 1002 21522 21519 1 80 0 - 104357 poll_s pts/3 00:00:00 yad
...
And this is the output when i click on the Cancel button on the interface asking you to insert a number
#First call to KILL_ALL_CHILDS
process pid: 21515
childs: 21515 21519 21520 21521
#Second call
process pid: 21519
childs: 21519 21598 #Why 21598 ? Is not in the output of ps -Al of before ?! And why there is not 21522 ??
#Third call
process pid: 21598
childs:
#And here i get the error:
./my-search-tool-2: line 67: kill: (21598) - No such process
Can anyone help me ? Thx
P.S.
If in the same situation as before i call another script from a different shell, where i have launch my script, that do the same thing as KILL_ALL_CHILDS it works fine...
This is the situation:
$ ps -Al
0 S 1002 24241 24184 0 80 0 - 28022 wait pts/1 00:00:00 my-search-tool
1 S 1002 24243 24241 0 80 0 - 28022 pipe_w pts/1 00:00:00 my-search-tool
1 S 1002 24244 24241 0 80 0 - 28022 pipe_w pts/1 00:00:00 my-search-tool
0 S 1002 24245 24241 1 80 0 - 104428 poll_s pts/1 00:00:00 yad
0 S 1002 24246 24243 0 80 0 - 104357 poll_s pts/1 00:00:00 yad
And this is the output
$ EXTERNAL_KILL_ALL_CHILD 24241
mypid: 24241
childs: 24241 24243 24244 24245
mypid: 24243
childs: 24243 24246
mypid: 24246
childs: 24246
mypid: 24244
childs:
Desktop/EXTERNAL_KILL_ALL_CHILDS: line 20: kill: (24244) - No such process
mypid: 24245
childs: 24245
