Experimental Physics and
Industrial Control System

Michael Abbott <[email protected]> · Mon, 12 May 2008 12:58:24 +0000 (GMT)

On Mon, 12 May 2008, Thompson, David H. wrote:
> It is not a zombe.  If a child process dies and the parent never calls 
> wait() you get a zombe.  If the parent dies then the child's parent 
> becomes init, which calls wait all the time. So anything with parent 
> init is still running, probably waiting for some I/O.

Looks awfully like a zombie to me:

$ ps ax
...
31921 ?        Zl     0:00 [softIoc] <defunct>
$ cat status
Name:   softIoc
State:  Z (zombie)
SleepAVG:       68%
Tgid:   31921
Pid:    31921
PPid:   1
TracerPid:      0
Uid:    1015    1015    1015    1015
Gid:    1015    1015    1015    1015
FDSize: 0
Groups: 500 506 1015
Threads:        2
SigPnd: 0000000000000000
ShdPnd: 0000000000000001
SigBlk: 0000000000000000
SigIgn: 0000000000000000
SigCgt: 0000000180000000
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
$

Have to say I'm rather surprised to see the /proc entry, though.

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System