Re: kern/46933: Can not find out wether a process is debugged

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/46933; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/46933: Can not find out wether a process is debugged
Date: Tue, 11 Sep 2012 18:21:07 +0000

 On Tue, Sep 11, 2012 at 09:00:07AM +0000, Martin Husemann wrote:
  >  On Tue, Sep 11, 2012 at 05:25:02AM +0000, David Holland wrote:
  >  >  ps seems to still be able to retrieve this information; what mechanism
  >  >  does it use?
  >  
  >  How do you get it to display it?
 
 % gdb /bin/cat
 (gdb) break main
 (gdb) run
 (gdb) ^Z
 % ps -xT
   PID TTY    STAT    TIME COMMAND
  7963 pts/14 Ss   0:00.04 -tcsh 
 13993 pts/14 T    0:00.02 gdb /bin/cat 
 23139 pts/14 TX   0:00.01 /bin/cat 
 28280 pts/14 O+   0:00.00 ps -xT 
 %
 
              X       The process is being traced or debugged.
 
 This is on an amd64 6.99.11 from this past Thursday.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost